LG LSE4617ST User manual

30” ELECTRIC RANGE
SERVICE MANUAL
MODEL: LSE4617ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL37118359 October, 2016
Printed in Korea
삼흥
정판
Internal Use Only

This LG Service Manual, “ 30” Freestanding Self-Cleaning Electric Range,” provides the
technician with information on the operation and service of the Freestanding Self-Cleaning
Electric Range. It is to be used as a training Service Manual. For specific information on the
model being serviced, refer to the “Owner’s Manual” or “Tech Sheet” provided with the electric
range.
SAFETY PRECAUTIONS
• Repairs of the appliance should be carried out by a licensed technician only. Incorrect repairs
may result in dangerous situations. If you need repairs, contact an LG Service Center or your
dealer.
• If the power cord is defective, it must be replaced by a qualified service agent with a UL listed
range cord.
• Electrical leads and cables should not be allowed to touch the oven.
• Rating plate is located on the left side of warming drawer.
• The power supply of the appliance should be turned off when it is being repaired.
LG Electronics assumes no responsibility for any repairs made
on our products by anyone other than Authorized Service Technicians.
• DISCONNECT power supply cord from the outlet before servicing.
• Replace all panels and parts before operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal injury, death or electrical shock.
• DO NOT Touch when the oven operates.
- The interior parts will be very hot.
FORWARD
!
WARNING

TABLE OF CONTENTS
(Page)
GENERAL ------------------------------------------------------------------------------------------------ 1-1 ~ 1-5
• Important safety instructions ------------------------------------------------------------------------------------------ 1-1 ~ 1-3
• Model & Serial number label and tech sheet locations ------------------------------------------------------------- 1-4
• Specifications ---------------------------------------------------------------------------------------------------------------------- 1-5
USING YOUR RANGE ---------------------------------------------------------------------------- 2-1 ~ 2-8
• General information -------------------------------------------------------------------------------------------------------------- 2-1
• Control panel features -------------------------------------------------------------------------------------------------- 2-2 ~ 2-7
- Setting the clock
- To turn on/off the oven light
- Timer on/off
- Setting pad: 7 types of category
1) Changing hour mode on clock
2) Convection auto conversion
3) Thermostat adjustment
4) Preheating alarm light on/off
5) Beeper volume
6) Temperature unit (°F or °C)
7) Activate/deactivate the cooktop beeper
- Bake, timed bake, delayed timed bake
- Oven lockout
- Self-clean
- Power management
• Warming drawer -------------------------------------------------------------------------------------------------------------------- 2-8
COMPONENT ACCESS ------------------------------------------------------------------------ 3-1 ~ 3-33
- Component Locations ---------------------------------------------------------------------------------------------------------- 3-1
- Removing the back cover ------------------------------------------------------------------------------------------------------ 3-2
- Removing the oven relay PCB, power PCB ----------------------------------------------------------------------------- 3-3
- Removing the controller ------------------------------------------------------------------------------------------------------- 3-4
- Removing the mainPCB and key PCB assembly --------------------------------------------------------------------- 3-5
- Removing knob and infinite switch ------------------------------------------------------------------------------------------ 3-6
- Removing the cooktop from the oven ------------------------------------------------------------------------------------- 3-7
- Removing the ceramic galss cooktop from the cooktop ------------------------------------------------------------ 3-8
- Removing the working coil plate and working coil ---------------------------------------------------------- 3-9 ~ 3-11
- Removing the burner individually ----------------------------------------------------------------------------------------- 3-12
- Removing the Noise Filter PCB And Inveter PCB -------------------------------------------------------- 3-13 ~ 3-14
- Removing the box fan and blow fan ------------------------------------------------------------------------------------- 3-15
- Removing the LED PCB -------------------------------------------------------------------------------------------- 3-16 ~ 3-17
- Removing the cooktop main PCB ---------------------------------------------------------------------------------------- 3-18
- Removing the warm heater ------------------------------------------------------------------------------------------------- 3-19
- Removing the cooling motor, thermal disk and door switch -------------------------------------------- 3-20 ~ 3-21
- Removing the broil element --------------------------------------------------------------------------------------- 3-22 ~ 3-23
- Removing the convection element, fan blade and fan motor --------------------------------------------------- 3-24
- Removing the oven light & socket assembly ------------------------------------------------------------------------- 3-25
- Removing the latch drive assembly -------------------------------------------------------------------------------------- 3-26
- Removing the oven temperature sensor ------------------------------------------------------------------------------- 3-27
- Removing & replacing the lit-off oven door and drawer ---------------------------------------------------- 3-28~3-29
- Removing a side panel ------------------------------------------------------------------------------------------------------- 3-30
- Removing the oven door handle & glass ----------------------------------------------------------------------- 3-31~3-32
- Removing the oven door gasket ------------------------------------------------------------------------------------------ 3-33
COMPONENT TEST ------------------------------------------------------------------------------ 4-1 ~ 4-10
- Convection Motor ----------------------------------------------------------------------------------------------------------------- 4-1
- Door locking Motor ------------------------------------------------------------------------------------------------------------- 4-2
- Micro Switch ------------------------------------------------------------------------------------------------------------------------ 4-2
- Oven Sensor ---------------------------------------------------------------------------------------------------------------------- 4-2

(Page)
COMPONENT TEST ------------------------------------------------------------------------------ 4-1 ~ 4-10
- Door switch ------------------------------------------------------------------------------------------------------------------------ 4-3
- Outer Broil heater ----------------------------------------------------------------------------------------------------------------- 4-3
- Inner Broil heater ----------------------------------------------------------------------------------------------------------------- 4-3
- Convection heater ---------------------------------------------------------------------------------------------------------------- 4-3
- Oven lamp -------------------------------------------------------------------------------------------------------------------------- 4-4
- Infinite switch (RR Switch) ----------------------------------------------------------------------------------------------------- 4-5
- Infinite switch(LF,LR,CF,RF) -------------------------------------------------------------------------------------------------- 4-5
- Surface unit: (LR, RR Element) ---------------------------------------------------------------------------------------------- 4-7
- Surface unit: (LF Element) ---------------------------------------------------------------------------------------------------- 4-8
- Surface unit: (RF Element) ---------------------------------------------------------------------------------------------------- 4-9
- Surface unit: (RR Element) -------------------------------------------------------------------------------------------------- 4-10
SCHEMATIC DIAGRAM -------------------------------------------------------------------------- 5-1 ~ 5-5
- Conv. Bake / Conv. Roast ----------------------------------------------------------------------------------------------------- 5-2
- Self cleaning ------------------------------------------------------------------------------------------------------------------------ 5-2
- Oven light ---------------------------------------------------------------------------------------------------------------------------- 5-3
- Warming Drawer ------------------------------------------------------------------------------------------------------------------ 5-3
- RR Cook-top Element ---------------------------------------------------------------------------------------------------------- 5-3
- LR & CR Cook-top Element -------------------------------------------------------------------------------------------------- 5-4
- LF Cook-top Element ------------------------------------------------------------------------------------------------------------ 5-4
- RF Cook-top Element ----------------------------------------------------------------------------------------------------------- 5-4
- Broil / Speed broil ----------------------------------------------------------------------------------------------------------------- 5-5
- Warm / Proof / Easy clean ----------------------------------------------------------------------------------------------------- 5-5
- Bake / Speed roast --------------------------------------------------------------------------------------------------------------- 5-5
COMPOSITION OF CONTROL ---------------------------------------------------------------- 6-1 ~ 6-4
- Wiring Diagram -------------------------------------------------------------------------------------------------------------------- 6-1
- Main PCB --------------------------------------------------------------------------------------------------------------------------- 6-2
- Relay PCB --------------------------------------------------------------------------------------------------------------------------- 6-2
- SMPS PCB -------------------------------------------------------------------------------------------------------------------------- 6-3
- Encoder PCB ----------------------------------------------------------------------------------------------------------------------- 6-3
- Touch PCB -------------------------------------------------------------------------------------------------------------------------- 6-4
- Wifi PCB and Buzzer PCB ---------------------------------------------------------------------------------------------------- 6-4
SVC TEST MODE ----------------------------------------------------------------------------------- 7-1 ~ 7-3
TROUBLE SHOOTING
---------------------------------------------------------------------------- 8-1 ~ 8-3
• Check the Failure Code --------------------------------------------------------------------------------------------------------- 8-1
• Failure Code Summary
------------------------------------------------------------------------------------------------ 8-2 ~ 8-3
CHECKING FLOW CHART BY FAILURE ----------------------------------------------- 9-1 ~ 9-30
- Power Failed(Dead), No display? ------------------------------------------------------------------------------------ 9-1 ~ 9-3
- No heating, F9? ------------------------------------------------------------------------------------------------------------ 9-4 ~ 9-7
- Door Lock System Failure / F10 ------------------------------------------------------------------------------------ 9-8 ~ 9-11
- Sensing Fail / F1 / F2 ------------------------------------------------------------------------------------------------ 9-12 ~ 9-14
- Oven hot, F6? ---------------------------------------------------------------------------------------------------------- 9-15 ~ 9-18
- Key not working / F3 Error
----------------------------------------------------------------------------------------- 9-19 ~ 9-20
- Communication Error/ F11
--------------------------------------------------------------------------------------------------- 9-21
- CF1(IH LF Top Sensor Error) / Open / Short? ------------------------------------------------------------------------ 9-22
- CF2(IH LR Top Sensor Error) / Open / Short? ----------------------------------------------------------------------- 9-23
- CF3(IH RF Top Sensor Error) / Open / Short? ----------------------------------------------------------------------- 9-24
- CF4(IH RR Top Sensor Error) / Open / Short?
----------------------------------------------------------------------- 9-25
- CF5(IH Left IGBT Sensor Error) / Open / Short?
-------------------------------------------------------------------- 9-26
- CF6(IH Right IGBT Sensor Error) / Open / Short? ------------------------------------------------------------------ 9-27
- CF7(IH Left comm. Error) / Open / Short? ----------------------------------------------------------------------------- 9-28
- CF8(IH Right comm. Error) / Open / Short? --------------------------------------------------------------------------- 9-29
- CFA(Over Current)?
----------------------------------------------------------------------------------------------------------- 9-30
- CFC(OVER VOLTAGE)?
----------------------------------------------------------------------------------------------------- 9-31
- CFF(Box Fan Error)? ---------------------------------------------------------------------------------------------------------- 9-32
APPENDIX ----------------------------------------------------------------------------------------------------- 10-1
EXPLODED VIEW
------------------------------------------------------------------------------- 11-1 ~ 11-6

1-1
GENERAL
IMPORTANT SAFETY INSTRUCTIONS
Read and follow all instructions before using your oven to prevent the risk of fire, electric shock, injury to person, or
damage when using the range. This guide don’t cover all possible conditions that may occur. For further assistance
contact your service agent or manufacturer.
This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hunt you
and others. All safety messages will follow the safety alert symbol and either the word “WARNING”
or “CAUTION”. These word means :
This symbol will alert you to hazards or unsafe practices which could cause
serious bodily harm or death.
WARNING
This symbol will alert you to hazards or unsafe practices which could cause
bodily injury or property damage.
CAUTION
WARNING
• DO NOT step or sit on the door and install the Anti-Tip Bracket packed with range.
- The range could be tipped and injury might result from spilled hot liquid, food, or the range itself.
- If the range is pulled away from the wall for cleaning, service, or any other reason, ensure that the Anti-Tip
Device is properly reengaged when the range is pushed back against the wall.
• DISCONNECT power supply cord from the outlet before servicing.
• Replace all panels and parts before operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal injury, death or electrical shock.
• DO NOT touch heating elements or interior surfaces of oven.
-Heating element may be hot even though they are dark in color.
-Interior surfaces of an oven become hot enough to cause burns.
• During and after use, do not touch, or let clothing or other flammable materials
contact heating elements or interior surfaces of oven until they have had sufficient
time to cool.
-Other surfaces of the appliance may become hot enough to cause burns among these surfaces are oven vent
openings and surfaces near these openings, oven doors, and windows of oven doors.
• DO NOT store items of interest to children in cabinets above a range or on the back guard of a range.
- Children climbing on the range to reach items could be seriously injured.
CAUTION
• Always use Pot Holders or oven mitts when removing food from the Warming Drawer.
- You can be burned as cookware and plates will be hot.
• Be careful when you work on the electric range handling the sheet metal part.
- Sharp edge may be present and you can cut yourself.
• Be careful not to bend the fan blade
- Failure to do so can result in vibration, noise, and poor performance of convection when operating.
• Be careful not to scratch or chip the oven liner paint when you remove the oven light socket
in the next step.
• Turn power OFF before removing the Warming Drawer.
• Be careful when removing and lifting the door.
• DO NOT lift the door by the handle.
- Failure to do so can result in personal injury as the door is very heavy.

1-2
GENERAL
IMPORTANT SAFETY INSTRUCTIONS
• Be sure your appliance is properly installed and grounded by a
qualified technician.
• Do not repair or replace any part of the appliance unless
specifically recommended in the manual.
All other servicing should be referred to a qualified technician.
• Always disconnect power to appliance before servicing by
removing the fuse or switching off the circuit breaker
To reduce the risk of tipping of the range, the range must be
secured by properly installed anti-tip devices. To check if the
bracket is installed properly,
- Warming drawer : grasp the top rear edge of the Range and
carefully attempt to tilt it forward.
verify that the anti-tip devices are engaged.
- Storage drawer : Remove drawer and verify leveling leg is
inserted into and fully secured by the anti-tip devices.
Refer to the installation manual for proper anti-tip bracket
installation.
WARNING
• DO NOT touch heating elements or
interior surfaces of oven.
-Heating element may be hot even though they are
dark in color.
-Interior surfaces of an oven become hot enough to
cause burns.
• During and after use, do not touch, or
let clothing or other flammable
materials contact heating elements or
interior surfaces of oven until they
have had sufficient time to cool.
-
Other surfaces of the appliance may become hot
enough to cause burns among these surfaces are
oven vent openings and surfaces near these
openings, oven doors, and windows of oven doors.
WARNING
• DO NOT store items of interest to
children in cabinets above a range or
on the back guard of a range.
- Children climbing on the range to reach items could
be seriously injured.
WARNING
• DO NOT step or sit on the
door and install the Anti-Tip
Bracket packed with range.
- The range could be tipped and injury
might result from spilled hot liquid, food,
or the range itself.
- If the range is pulled away from the
wall for cleaning, service, or any other
reason, ensure that theAnti-Tip Device
is properly reengaged when the range
is pushed back against the wall.

1-3
GENERAL
SURFACE COOKING UNITS
• Use Proper Pan Size – This appliance is equipped with one or more
surface units of different sizes. Select utensils having flat bottoms large
enough to cover the surface unit heating element. The use of
undersized utensils will expose a portion of the heating element to
direct contact and may result in ignition of clothing. Proper relationship
of utensil to burner will also improve efficiency.
• Never Leave Surface Units Unattended at High Heat Settings –
Boil overs may cause smoking and greasy spillovers may ignite.
• Make Sure Reflector Pans or Drip Bowls Are in Place – Absence of
these pans or bowls during cooking may subject wiring or components
underneath to damage.
• Protective Liners – Do not use aluminum foil to line surface unit drip
bowls or oven bottoms, except as suggested in the manual. Improper
installation of these liners may result in a risk of electric shock, or fire.
• Glazed Cooking Utensils – Only certain types of glass, glass/ceramic,
ceramic, earthenware, or other glazed utensils are suitable for range-
top service without breaking due to the sudden change in temperature.
• Utensil Handles Should Be Turned Inward and Not Extend Over
Adjacent Surface Units – To reduce the risk of burns, ignition of
flammable materials, and spillage due to unintentional contact with the
utensil, the handle of a utensil should be positioned so that it is turned
inward, and does not extend over adjacent surface units.
• Do Not Soak Removable Heating Elements – Heating elements
should never be immersed in water.
• Be sure you know which control pads operate each surface unit.
Make sure you turned on the correct surface unit.
IMPORTANT SAFETY INSTRUCTIONS
SELF-CLEAN OVENS
• Do Not Clean Door Gasket – The door gasket is essential for a
good seal. Care should be taken not to rub, damage, or move the
gasket.
• Do Not Use Oven Cleaners – No commercial oven cleaner or
oven liner protective coating of any kind should be used in or
around any part of the oven.
• Clean in the self-clean cycle only parts listed in this manual.
Before self-cleaning the oven, remove the broiler pan and any
utensils from the oven.
• Never keep pet birds in the kitchen – the health of birds is
extremely sensitive to the fumes released during an oven self-
clean cycle. Fumes may be harmful or fatal to birds. Move birds to
well-ventilated room.
• Important Instruction – In the event the self-clean mode “F” code
goes on, or three long beeps sound, oven is malfunctioning in the
self-clean mode. Turn off or disconnect appliance from power
supply and have serviced by a qualified technician.
VENTILATING HOODS:
• Clean Ventilating Hoods Frequently – Grease should not
be allowed to accumulate on hood or filter.
• When flaming foods under the hood, turn the fan on.
OVEN
• Use Care When Opening Door – Let hot air or steam escape
before you remove or replace food in the oven
• Do Not Heat Unopened Food Containers – Build-up of pressure
may cause container to burst and result in injury.
• Keep Oven Vent Ducts Unobstructed – the oven vent is located
above the left rear surface unit. this area could become hot during
oven use. Never block this vent and never place plastic or heat-
sensitive items on vent
• Placement of Oven Racks – Always place oven racks in desired
location while oven is cool. If rack must be moved while oven is hot,
do not let potholder contact hot heating element in oven.
• Do Not allow aluminum foil or meat probe to contact heating
elements.
GLASS/CERAMIC COOKING SURFACES
• Do Not Cook on Broken Cook-Top – If cook-top should break,
cleaning solutions and spillovers may penetrate the broken cook-
top and create a risk of electric shock. Contact a qualified
technician immediately.
• Clean Cook-Top With Caution – If a wet sponge or cloth is used
to wipe spills on a hot cooking area, be careful to avoid steam burn.
Some cleaners can produce noxious fumes if applied to a hot
surface.
DEEP FAT FRYERS:
• Use extreme caution when moving the grease kettle or disposing of
hot grease.
• Do Not Leave Children Alone - Children should not be left alone or
unattended in area where appliance is in use. They should never be
allowed to sit or stand on any part of the appliance.
• Never Use Your Appliance for Warming or Heating the Room.
• Storage in or on Appliance – Flammable materials should not be stored
in an oven or near surface units. Be sure all packing materials are
removed from the appliance before operating it. Keep plastics, clothes and
paper away from parts of the appliance that may become hot
• Wear Proper Apparel – Loose-fitting or hanging garments should never
be worn while using the appliance.
• Do Not Use Water on Grease Fires – Turn off oven to avoid spreading
the flame. Smother the fire or flame by closing the door or use dry
chemical, baking soda or foam- type extinguisher.
• Use Only Dry Potholders – Moist or damp potholders on hot surfaces
may result in burns from steam.
Do not let potholder touch hot heating elements. Do not use a towel or
other bulky cloth.
WARNING
• DISCONNECT power supply cord from
the outlet before servicing.
• Replace all panels and parts before
operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal
injury, death or electrical shock.

1-4
GENERAL
The Model/Serial Number label and Tech Sheet locations are shown below.
Tech Sheet Location
MODEL & SERIAL NUMBER LABEL
AND TECH SHEET LOCATIONS
Model & Serial
Number Location

1-5
GENERAL
SPECIFICATIONS
Model Number LSE4617ST
Category Slide-in oven range
Overall Width 29 7/8
Installation type Slide-In
Color availability STS
Control Oven Glass Touch
Cooktop Knob
Display VFD
Electronic clock & timer Yes
Control lock capability Yes
Audible preheat signal Yes
Special function Setting (7 categories)
1. Change hour mode on Clock
2. Convection Auto Conversion On/Off
3. Oven Temp Adjust
4. Preheat alarm light On/Off
5. Beeper volume High/Low/Mute
6. Select Fahrenheit or Celsius temperature
7. activate/deactivate the cooktop beepr
Cooktop Material Ceramic glass
# of element 5
Power LR 6" – 1800 W
RR 6" – 100 W
CR 6" – 1800 W
LF 8" – 3200 W
RF 11" – 4000 W
Oven Capacity(cu.ft) 6.3
Broil element Inner/Outer- 1,600 W/2,400 W
Bake element No
Convection System Yes
-Convection element 2500 W
# of Racks 3 (2 Heavy, 1 Gliding)
Interior oven light 120 V, 40 W
Proof Yes
Cook & warm Yes
Favorites Yes
Easy clean No
Door lockout Yes
Drawer Type Warming drawer
Element 500 W
Warming rack Yes
Dimensions
(inch)
Oven Interior(W x H x D) 24 7/8 x 21 3/8 x 20
Exterior - Width 29 7/8
Exterior - Height 35 15/16 (Cooktop), 47 5/16 (Backguard)
Exterior - Depth 26 9/16 (Door), 28 7/8 (Handle)
Net weight: Lbs (Kg) 198 lb (90.0 kg)
Power Rating 12.7 Kw (120/240V AC) / 10.5 Kw (120/208 V AC)
**The wattage ratings upper are maximum outputs.

2-1
USING YOUR RANGE
Rating Label
Model numbers are recorded on the rating label.
Rating label is located on the lower front left corner
of the oven frame. It can be seen by opening the
storage drawer or warming drawer. Before ordering
parts, write down the correct model and serial
number from rating label. This avoids incorrect
shipments and delays. Please refer to parts
reference material when ordering replacement parts.
Functional Operation
Bake Mode
Upper and rear elements operate during bake. Bake
can be used to cook foods which are normally
baked. Oven must be preheated.
Broil Mode
Top element operates during broil. Broil can be used
to cook foods which are normally broiled. All foods
should be turned at least once except fish, which
does not need to be turned.
Convection Bake / Roast Mode
Upper element, lower element, Rear element(some
model) and fan operate during convection bake.
Convection bake should be used for cooking
casseroles and roasting meats. Oven should be
preheated for best results when using convection
bake. Pans do not need to be staggered. Difference
between bake and convection mode is fan speed
and amount of cycling time. When cook with bake
mode, fan speed and amount of cycle tine is lower
than convection mode. Difference between
convection bake and convection roast at high
temperature (More 330F) is that amount of broil
cycling time. Broil cycling time of convection roast is
more than twice than convection bake mode.
Cooking Guide
Refer to the owners manual for recommendations
of times and temperatures. Times, rack position,
and temperatures may vary depending on
conditions and food type. For best results, always
check food at minimum time. When roasting,
choose rack position based on size of food item.
GENERAL INFORMATION
Broil element
Convection
element
Broil element
Broil element

2-2
USING YOUR RANGE
CONTROL PANEL FEATURES
B B
AC
DE
F
Simmer
HI/Boost
Simmer
HI/Boost
Induction Mode Warm Induction
A. ELEMENT ON/OFF INDICATOR LIGHT: Shows
whether the surface element is turned on or off.
B. SURFACE CONTROL KNOB : Use to control the
surface control knob.
C. ELECTRIC OVEN CONTROL : Use to control
Electric Oven.
D.
OVEN MODE KNOB : Use to control Oven mode.
E. RIGHT REAR(WARM) CONTROL KNOB : Use to
control Right Rear Element.
F. HOT SURFACE INDICATOR LIGHT : It will glow as
long as any surface cooking area is too hot to
touch

2-3
USING YOUR RANGE
Setting Surface Controls
1. Cooking Element LED Bar
The range provides an LED bar for each cooking
element on the cooktop. Check messages in the
display window and use the LEDs with the
corresponding control knobs to monitor the power
levels of the elements.
2. Available Power Level Settings
The cooktop control’s LED bar displays the
element’s power level settings, ranging from Lo to
Hi to Boost. Adjust the settings in increments of
one, from Lo (Level 1) to Boost (Level 10).
To select Hi, turn the knob clockwise, through
level 8 to Hi/Boost.
3. Boost Power Level
To activate the Boost mode, turn the knob directly
from Off to Boost. Boost mode is only available
immediately after activating a cooking element.
When the cooking element is set to the Boost
mode, the LED bar flashes and the Boost mode
stays in operation for up to 10 minutes. After 10
minutes, the cooking element automatically
returns to the Hi setting.
Turning On a Cooking Element
1. Push the control knob in.
2. Turn the knob in either direction to select the
desired setting. A short beep sounds and the
cooking element’s LED bar shows its current
setting.
Using the Cooking Elements
Lo
Simmer
3
4
MED
6
7
8
HI
Boost
Simmer
HI/Boost
Simmer
HI/Boost
3
Simmer
HI/Boost
Simmer
HI/Boost
3
CAUTION
Before Cooking
• Do not place or store flammable or heatsensitive
items on the induction cooktop, even when the
cooktop is not in use.
• Place cookware on the cooking elements before
turning on the induction cooktop.
• Do not place sealed containers on the cooktop.
During Cooking
• Do not place metallic objects such as knives, forks,
spoons, and lids on the induction cooktop surface;
they can get hot.
• Use this appliance only for normal household use. It
is not designed for commercial or industrial use.
• Never use the appliance to heat the room.
• Use caution when plugging electrical appliances into
power outlets near the cooktop. Keep power cords
from any contact with the cooktop or cookware.
• Overheated fat and oil can catch fire quickly.
Never leave surface elements unattended when
frying foods.
• Do not use the induction cooktop to heat aluminum
foil, products wrapped in aluminum foil , or frozen
foods packaged in aluminum cookware.
• Use caution when plugging electrical appliances into
outlets near the cooktop to keep power cords away
from the hot cooktop or cookware.
• Users with pacemakers and active heart implants
must keep their upper body at a minimum distance
of 1 ft (30 cm) from active induction cooking
elements. If in doubt, consult the implant
manufacturer or your doctor.
After Cooking
• After use, switch off the induction cooking element
using its control. Do not rely on the pan sensor.
3. To activate the Boost mode, turn the knob directly
from Off to Boost.

2-4
USING YOUR RANGE
Pan Preheat Recommendations
Induction cooking may decrease the amount of time
required to preheat cookware compared to cooking
on a radiant element cooktop or gas surface burner.
Pay close attention to all food items while cooking
on the cooktop or in the oven, and until all cooking
processes are complete.
Noises during Cooktop Operation
The electronic processes involved with induction
cooking may create some background noises. You
may hear a slight buzzing sound when cooking on
the cooktop. These noises are part of the induction
cooking process and are considered normal.
Some cookware will buzz, depending on the
construction or base material. The buzz may be
more noticeable if the contents of the pan are cold.
As the pan heats up, the noise will decrease. The
noise will also decrease if the power level setting is
reduced.
NOTE:
When using the induction cooktop, operational
noises are more noticeable while cooking in Boost
mode. But very loud noises are not normal when
induction cooking.
Even though the Surface Element is not operated,
Cooktop Fan would operate to make the product
cool if the combined heat of the oven and the
surface burners is sufficiently high.
Power Management
The cooking zones, which consist of paired cooking
elements, are restricted to drawing a certain
maximum amount of power.
If you turn on the Boost function for one element
while its paired element is in use, the Power
Management function may automatically reduce the
power of both elements. For consistent performance
when using multiple elements, use elements in
separate cooking zones.
Warming Zone
Use the Warming Zone, located in the back right of
the glass surface, to keep hot, cooked food at
serving temperature. The Warming Zone keeps food
warm after it has already been cooked. Attempting
to cook uncooked or cold food on the Warming Zone
could result in a food-borne illness.
Turning On Warming Zone
1. Push the control knob in.
2. Turn the knob in either direction to select the
desired setting.
CAUTION
CAUTION
Remember that induction surface cooking initially
heats the cookware VERY QUICKLY if the
cookware does not contain food.
FOOD POISON HAZARD: Bacteria may grow in
food at temperatures below 140 °F.
• Always start with hot food. Do not use the warm
setting to heat cold food.
• Do not use the warm setting for more than two
hours.

2-5
USING YOUR RANGE
CONTROL PANEL FEATURES
1. Smart Diagnosis TM – Use during the Smart
Diagnosis feature.
– Should you experience any problems with your
range, it has the capability of transmitting data to
your smart phone using the Smart ThinQ
application or via your telephone to the LG call
center.
2. Cook Time / Clock
– Press the button to set the desired amount of time
for food to cook. The oven shuts off when the set
cooking time runs out.
– Press and hold button for three seconds to set the
time of day.
3. START TIME / SETTING
– Press the button to set the delayed timed cook.
The oven starts at the set time.
– Press and hold button for three seconds to select
and adjust oven settings.
4. Probe / Lockout
– Press the button to select Probe function.
– Press and hold button for three seconds to lock
the door and control panel.
5. Timer On/Off / Connect – Press the button to set or
cancel timer on oven.
Press and hold button for three seconds to connect
the Wi-Fi.
To disconnect the appliance from the network, delete
it from the registered appliances in the app.
6. Oven Light – Press the button to turn oven light on
or off.
7. Warming Drawer – Press the button to select the
warming drawer function.
8. - /+ – Press the plus button to increase cooking time
or oven temperature.
Press the minus button to decrease cooking time or
oven temperature.
9. Start – Press the button to start all oven features.
10. Oven Mode Knob – Turn the knob to select oven
operating mode
** Flashing Clock
If the colon in the clock display flashes, press Cook
Time for three seconds and reset the clock, or press
any key to stop the flashing.

2-6
USING YOUR RANGE
1. SETTING THE CLOCK
1. Set both oven mode knobs to the Off position.
2. Press and hold Cook Time for three seconds.
3. Press plus(+) or minus(-) to select the desired
time. Plus(+) to increase the time and minus(-)
to decrease the time.
4. Press Start to enter the time and start the
clock.
2. TO TURN ON/OFF THE OVEN LIGHT
The oven light automatically turns ON when the
door is opened. The oven light may also be
manually turned ON or OFF by pressing the
OVEN LIGHT pad
Note: The oven light cannot be turned on if self-clean
feature is active.
3. TIMER ON/OFF
The Timer On/Off serves as an extra timer in the
kitchen that beeps when the set time has run out. It
does not start or stop cooking.
The Timer On/Off feature can be used during any of
the oven control functions.
To set the Timer:
1. Set the oven mode knob to the Off position.
2. Press the Timer On/Off. 0:00 with HR inside it
appears and Timer flashes in the display.
3. Press plus(+) or minus(-) to set the desired
time. Plus(+) to increase the time and minus(-)
to decrease the time.
4 .Press Timer On/Off to start the Timer.
The remaining time countdown appears in the
display.
Note: If Timer On/Off is not pressed, the timer returns to
the time of day.
4. SETTING PAD: 7 types of category
1) CHANGE HOUR MODE ON CLOCK
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for 3 seconds.
3. Press plus(+) or minus (-) to set the desired
hour mode on the clock.
4. Press Start to accept the desired change.
2) CONVECTION AUTO CONVERSION
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for 3 seconds.
Then press Start Time until. Auto appears in
the display.
3. Press plus(+) or minus(-) to enable or
disable the feature.
4 .Press Start to accept the change.
3) THERMOSTAT ADJUSTMENT
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for three seconds.
Then press Start Time repeatedly until AdJU
appears in the display.
3. To increase the temperature, press plus (+)
until the desired amount appears in the
display.
To decrease the temperature, press minus
(-) until the desired amount appears in the
display.
4. Press Start to accept the change.
4) PREHEATING ALARM LIGHT ON/OFF
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for three seconds
Then press Start Time repeatedly until PrE
appears in the display.
3. Press plus(+) or minus(-) to turn the function
on/off.
4. Press Start to accept the change.
5) BEEPER VOLUME
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for three seconds.
Then press Start Time repeatedly until Beep
appears in the display.
3. Press plus(+) or minus(-) to select the
desired volume.
4. Press Start to accept the change.
6) TEMPERATURE UNIT (°F or °C)
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for three seconds.
Then press Start Time repeatedly until Unit
appears in the display.
3. Press plus(+) or minus(-) to select
F(Fahrenheit) or C(Centigrade).
4. Press Start to accept the change.

2-7
USING YOUR RANGE
7) COOKTOP BEEPER VOLUME
1. Set the oven mode knob to the Off position.
2. Press and hold Start Time for three seconds
Then press Start Time repeatedly until CtOP
appears In the display.
3. Press plus(+) or minus(-) to turn the beep
on/off.
4. Press Start to accept the change.
5. BAKE, TIMED BAKE, DELAYED TIMED BAKE
* This feature can also be used with the:
CONVECTION BAKE and CONVECTION ROAST
modes.
6. OVEN LOCKOUT
1. Set the oven mode knob to the Off position.
2. Press and hold Probe for three seconds.
3. The lock melody sounds, Loc appears in the
display and the lock icon blinks in the display.
4. Once the oven door is locked, the lock indicator
stops blinking and remains on.
5. To deactivate the Lockout feature, press and
hold Probe for three seconds. The unlock
melody sounds and the door and the controls
unlock.
7. SELF-CLEAN
1. Remove all racks and accessories from the
oven.
2. Turn the oven mode knob to select Self Clean.
The oven defaults to the recommended four
hour Self Clean for a moderately soiled oven.
Press plus(+) or minus(-) to select a Self Clean
Time from 3 to 5 hours.
3. Press Start Time.
4. Press plus(+) or minus(-) to enter the time of
day you would like the Self Clean to start.
5. Press Start.
BAKE Desired
temperature START
COOK
TIME Desired time START
START
TIME Desired start time START
8. POWER MANAGEMENT
1. While its paired element is in use, The water is
not broiling consistently.
2. If the combined heat of the oven and the
surface burners is sufficiently high, the output
of the surface burners is reduced to avoid
damage to the product.

2-8
USING YOUR RANGE
The Warming Drawer keeps hot cooked foods at
serving temperature.
All food placed in the Warming Drawer should be
covered with an oven-safe lid or aluminum foil to
maintain quality. Do not place foil on bottom or sides
of drawer. Do not use plastic wrap to cover food.
Plastic may melt onto the drawer and be very difficult
to clean. Use only utensils and cookware
recommended for oven use in the Warming Drawer.
Setting the Warming Drawer Control
1. Press Warming Drawer Set/Off. The indicator
light will flash. (If no further buttons are
pressed within 25 seconds, the display will
clear.)
2. Use the plus(+) or minus(-) button to set the
power level: for Low, for Medium, and
for High.
3. When the food is ready, or to cancel, press
Warming Drawer Set/Off.
NOTE:
• The Warming Drawer shuts off automatically after
three hours.
• Do not heat cold food in the Warming Drawer.
• Do not use pans or utensils with rough finishes in
the Warming Drawer. Doing so can leave scratches
on the inner drawer surfaces.
WARMING DRAWER
Warming drawer rack in position
CAUTION
• Do not use the warming drawer for storage of
racks, broiler pans, insert pans, plates, or
utensils. The warming drawer contains a
heating element which may damage any items
not specifically designed to be used with it and
should only be used to store cookware
specifically supplied by LG with your range.
• Do not put food or foil directly on the surface or
base of the warming drawer. This may result in
damage to your drawer and may spoil your
food.
• Do not place plastic wrap in the warming
drawer or use it to cover food being heated in
the warming drawer. Plastic may melt onto the
drawer or surrounding areas and is very difficult
to remove. Use only aluminum foil or cookware
that is capable of withstanding baking
temperature to heat or cover your food.
• Do not use the warming drawer to heat water
or any other liquids. Spilled liquids may cause
an electrical short or result in severe personal
injury, electric shock or death.
• Never place plastics, paper, canned foods or
other combustible material into the warming
drawer. These items pose a severe risk of fire,
damage and injury.
• In the unlikely event that an item falls behind
the warming drawer, always turn the power off
and wait for the warming drawer to cool before
retrieving the item. Never attempt to retrieve
any items that fall behind the warming drawer
without first turning the power off and ensuring
the warming drawer cavity has cooled off.
Failure to do so may result in severe personal
injury, electric shock or death.
• Do not touch the surface of the warming
drawer while it is in operation. Use oven mitts
or hot pads when inserting or removing food to
avoid burns or other injury.
• Do not leave food in the warming drawer for
longer than one hour. Eating food which has
been heated for too long at low temperatures
can lead to food-borne illnesses.

3-1
COMPONENT ACCESS
This section instructs you on how to service each component inside the range. The components and their
locations are shown below.
COMPONENT LOCATIONS
Door Locking Motor
& Micro Switch
Oven lamp
Inner broil heater
Infinite switch
Encoder PCB
Oven Sensor
Outer broil heater
Convection Heater
Warm drawer heate
r
Convection Motor
Surface Elements
Hinge
Door Switch
Door Latch Assembly

3-2
COMPONENT ACCESS
1. Turn off the electrical supply going to the range.
2. Pull the range away from the wall so that you can
access the rear panel.
3. To remove the back cover, remove 15 screws
from the back cover
REMOVING THE BACK COVER
WARNING
• DISCONNECT power supply cord
from the outlet before servicing.
• Replace all panels and parts before
operating.
•
RECONNECT all grounding devices.
- Failure to do so can result in severe personal
injury, death or electrical shock.
CAUTION
• Be careful when you work on the
electric range handling the sheet
metal part.
- Sharp edge may be present and you can cut
yourself.
Back
Cover

3-3
COMPONENT ACCESS
1. Turn off the electrical supply going to the range.
2. Pull the range away from the wall so that you can
access the rear panel.
3. Remove back cover (See step 3 on page 3-2)
4. To remove the Oven Relay PCB, Disconnect 8ea
connectors.
5. To remove the Power PCB, Disconnect 2ea
connectors.
WARNING
• DISCONNECT power supply cord
from the outlet before servicing.
• Replace all panels and parts before
operating.
•
RECONNECT all grounding devices.
- Failure to do so can result in severe personal
injury, death or electrical shock.
CAUTION
• Be careful when you work on the
electric range handling the sheet
metal part.
- Sharp edge may be present and you can cut
yourself.
REMOVING THE OVEN RELAY PCB, POWER PCB
Oven Relay PCB
Power PCB