Kleenmaid OMFP6011 Operator's manual
Products documentation
(REVISION DATE: 03/10/2011)
OMFP6011 (60cm PIROLITIC OVEN full touch)
Ovens Service Manual
Models OMFP6011
This document has been published to be used
for service only.
The contents are subject to change without
notice
CONTENTS
1. SERVICING REQUIREMENTS
1.1 HEALTH & SAFETY
1.1.1 Electrical Safety
1.1.2 Good Working Practices
1.1.3 Insulation Test
1.1.4 Sheet Metal Edges
2. TECHNICAL OVERVIEW
2.1 OVEN SPECIFICATIONS
2.1.1 Oven Weight
2.1.2 Power Rating
2.2 SERIAL PLATE
2.2.1 Location
2.2.2 Model and Serial Number
2.3 COMPONENT SPECIFICATIONS
2.3.1 Heating Elements
2.3.2 Motors
2.3.3 Electric Components
2.4 SYSTEM DESCRIPTION
2.5 OVEN MODEL CONFIGURATION
2.6 MANUAL TEST
2.6.1 How to Verify the Correct Selection
2.6.2 How to Check ther Oven Hardware
2.7 DESCRIPTION OF ELECTRONIC CONTROL
2.8 FAULT NUMBERS
2.9 OVEN SAFETY FUTURES
2.9.1 Child – Safe Locking System
2.9.2 Thermostat
2.9.3 Double – Speed Thermostat
2.9.4 Safety Thermostat
4. TROUBLE SHOOTING GUIDE
4.1 ERROR MESSAGE
4.2 OVEN NOT OPERATIVE
4.3 COOLING FAN PROBLEMS
4.4 CONVECTION FAN PROBLEMS
4.5 DOOR LOCK PROBLEMS
4.6 OVEN LIGHT PROBLEMS
4.7 --
4.8 DISPLAY PROBLEMS
4.9 DOOR HINGES PROBLEMS
4.10 BAD COOKING PERFORMANCE
7. COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
7.1 OVEN REMOVAL
7.2 COOLING FAN MOTOR SUBSTITUTION
7.3 OVEN DOOR REMOVAL
7.4 CONVECTION FAN MOTOR SUBSTITUTION
7.5 RING ELEMENT SUBSTITUTION
7.6 UPPER ELEMENT SUBSTITUTION
7.7 LOWER ELEMENT SUBSTITUTION
7.8 LOCK DOOR MOTOR SUBSTITUTION
7.9 LOCK DOOR MOTOR SWITCH SUBSTITUTION SOLUTION
7.10 DOOR GASKET SUBSTITUTION
7.11 COOKING SAFETY THERMOSTAT SUBSTITUTION
7.12 RESISTOR 800ΩSUBSTITUTION
7.13 PIRO SAFETY THERMOSTATS SUBSTITUTION
7.14 PROBE TEMPERATURE SUBSTITUTION
7.15 DOOR HINGES SUBSTITUTION
7.16 DOOR HINGES BOX SUBSTITUTION
7.17 DISPLAY KEYBOARD SUBSTITUTION
7.18 POWER BOARD SUBSTITUTION
7.19 FUSE SUBSTITUTION (IF PRESENT)
7.20 DOOR EXTERNAL GLASS SUBSTITUTION
7.21 DOOR INTERNAL GLASS SUBSTITUTION
Servicing Requirements
1.1
Health & Safety
Note: When servicing the oven, health and safety issues must be considered at all times. Specific safety
issues are listed below with their appropriate icon. These are illustrated throughout the service information
to remind service people of the health and safety issues
1.1.1 Electrical Safety
WARNING! TO AVOID ELECTRIC SHOCK!
Do not attempt to service this oven without suitable training and
qualifications.
Ensure the main power has been disconnected before servicing any part of the oven. If
the power is required to be on for electrical fault finding, then extreme care should be
taken not to make contact with electrical components other than with testing probes.
Ensure the oven is turned off when removing any electrical component or connection.
1.1.2 Good Working Practices
Ensure the work areas are kept tidy and free of hazards while servicing the
oven. On completion of the servicing, ensure the oven and work areas are
left clean and tidy.
1.1.4 Insulation Test
Megger test to check insulation.
1.1.5 Sheet Metal Edges
When working around cut sheet metal edges use appropriate gloves or
protection to eliminate the chance of receiving a laceration.
Technical Overview
2.1
Oven Specifications
2.1.1 Oven Weight
Single 24”
lbs /Kg =97/44
2.1.2 Power rating
TECHNICAL DATA
OVENS Electrical Ratings and Maximum Connected
Load
@ 230-240 Volts 50/60Hz
Amperes Watts
SINGLE
CONV OMFP601
110.63 2500
Technical Overview
2.2
Serial Plate
2.2.1 Location
The product serial number plate is located on the left side profile trim.
2.2.2 Model & Serial Number
The numbers printed on the plate contains the following information:
Technical Overview
2.3
Components Specifications
2.3.1 Heating
Elements Volts Freq. Watts Note
Broil 240 -- 2400
Bottom 240 -- 2100
Ring (if present) 240 -- 2500
2.3.2 Motors Volts Freq. Watts Note
Convection Fan 220-
240 50/60 24-28
Cooling Fan 220-
240 50/60 23/28
Door Lock Motor 220-
240 50/60 3
Rotating Spit
Motor 230 50/60 4(if present)
2.3.3 Electric
Components Volts AWatts Note
Door Lock Motor
Switch 250 16 --
Lamp 240 -- 25
Piro Safety
Thermostat 250 16 --
Cooking Safety
Thermostat 250 16 --
Cooling Fan
Thermostat 250 16 --
Probe
Temperature 5V -- --
Technical Overview
2.4
System Description
ELECTRONIC CONTROL. The control consists of a main power board and Full Touch Keyboard.
COOKING MODE & TEMPERATURE SELECTION. All ovens are full touch control for the set
cooking modes and set temperature.
TEMPERATURE SENSOR. There is one Pt1000 sensor, fixed on the rear wall outside the cavity.
HEATING ELEMENTS. Several heaters are available in multifunction ovens while the ring element
is always missing in the thermal ones. They are combined together in different ways, depending on
the selected mode, but the maximum power never overtakes 2400W.
oUPPER ELEMENT 2400 at 240V.
oLOWER ELEMENT 2100 at 240V.
oRING ELEMENT 2500W at 240V.
CONVECTION FAN. This fan is available in multifunction cavities; it works always at the same
speed in all convection modes, self-clean and dehydrate.
COOLING FAN SYSTEM. A cooling fan keeps the internal parts temperature within acceptable
values, and removes smoke from the cavity through the catalyser. There is a 70°C by-pass
thermostat that shorts this resistor when the temperature overtakes the threshold, switching the
cooling fan into its full speed. This normally occurs during self-clean only.
OVEN LIGHTS. Incandescent 230V lamp. They turn on when a cooking mode starts.
DOOR LATCH SYSTEM. A motor actuates the latch mechanism to lock or unlock the door. The
motor always rotates in the same direction, and it’s the mechanism that determines the locking or
unlocking phases. They take about the same time to complete the half cycle. A changeover micro
switch placed right on the motor shaft and actuated by a 180° cam provides the electronics with the
latch position information.
Technical Overview
2.5
Oven Model Configuration
The manual test procedure must be completed and confirmed as per the instructions in this section.
At every POWER-UP, the control runs a latch auto-test cycle. The lock icon flashes while the latch is
moving.
1. Hold [B& G] keys for about 5 seconds until all the display elements turn on.
2. After few seconds the displays turn OFF and the central one shows the indication “t1” to
indicate that the key [A] should be pressed. If the key works correctly the light sound “tick”
occurs.
3. Proceed to the next step until the last key [H]. “t-1, t-2, t-3, …, t-8.
4. At this time appears the model selected (MH02 default). If necessary to change the model to
match it to the oven, press keys [D]/[E] that correspond to -/+ keys.
5. Than press [H] key to confirm the choice.
The model is set by connector (see picture 2) that must be placed in the same location in
case of control substitution.
e
r
o
ns Model PR00 PR01 PR02 PR03 PR04 PR05 PR06 PR07 PR08 PR09 PR10 PR11
P
MH01 ECO
MH02
Fig 1
Technical Overview
2.6
Manual Test
IMPORTANT: The MANUAL TEST procedure can be activated only after power on.
To enter in the MANUAL TEST follow the same procedure as the Configuration section 2.5
2.6.1 How to verify the correct selection
At power-up, the control runs a latch auto-test; lock symbol flashes while the latch is moving. Wait for the
auto-test end.
1.Hold [B& G] keys for about 5 seconds until all the display elements turn on.
2.After few seconds the displays turn OFF and the central one shows the indication “t1” to
indicate that the key [A] should be pressed. If the key works correctly the light sound “tick”
occurs.
3.Proceed to the next step until the last key [H]. “t-1, t-2, t-3, …, t-8.
At this time appears the model selected (MH02 default). If necessary to change the model
see Configuration section 2.5
2.6.2How to check Single oven hardware
After the configuration model proceed as follows:
The control goes to the first step to check the heating elements function, hold the [E] key to next step.
1Verify the display icons.
Verify the power of ring element (2500W, 240V);
Verify the function of convention fan.
2Verify the display icons.
Verify the power of grill element (2400W, 240V);
3Verify the display icons.
Verify the power of bottom element (2400W, 240V);
4Verify the display icons.
Verify the function of cooling fan.
5Verify the display icons.
Verify the function of convection fan.
6Verify the display icons.
Verify the function of spit motor.
7Verify the display icons.
Verify the function of internal oven light.
Checking of latch mechanism system.
Activate the Self Cleaning be sure that the door is closed: the lock door motor starts and the padlock
symbol on the temperature display flashes for as long as the motor it is moving. When the system
reaches the locked door position the padlock stops flashing. Check that the door is properly blocked.
At this point, turn off the self Cleaning function by tapping the [H] key : the padlock begins flashing and
the door lock mechanism until it is unlocked. When the padlock symbol is definitely off to check that the
door is completely unlocked.
Warning: The motor continues to move even if the door is open, there is no any micro-switch to evaluate
the position of the door.
The lock symbol ( ) on the display is:
ON When the door is fully locked
OFF When the door is fully unlocked
FLASHING When the latch mechanism is moving. (After self clean the symbol will flash until the
temperature will be safe and the door
unlocked).
Technical Overview
2.7
Description of Electronic Control
The drawing on the previous page explains how the electronic boards work. Each relay function is
described and the connector of sensor is also shown.
The power board to display board connection cable supports the i2c bus communication lines (data,
clock).
There is a NTC sensor on the main power board. Its main function is to detect the temperature of
the electronics so that the control can verify the efficiency of the cooling system. E004 is declared
whenever an ordinary cooking activity is running and an over temperature condition is detected
(T>100°c).
Technical Overview
2.8
Fault Numbers
Faults N°
Temperature sensor shorted. E001
Electronic boards over temperature . E004
Latch time-out overflow. E008
Oven cavity overheating E016
Temperature sensor disconnected or broken E017
Wrong oven model configuration E032
The control is continuously checking the status of the system. If an abnormal condition is detected for more
than 1 minute, a failure occurs:
The heaters and the other loads are disabled.
The display shows a “E” letter flashing, followed by a numeric code that depends on
the kind of failure.The control emits an acoustic warning signal that will last for some minutes.
To reset a failure declaration, first remove the cause of the failure then touch the [H] key (OFF).
Technical Overview
2.9
Oven Safety Features
2.9.1Child - safe locking system
All of our ovens are built-in child-safe locking systems. The feature is automatically enabled any
time the appliance is connected to the power, any time the switch is turned on and any time the
oven is programmed to run a self-cleaning of the cavity.
The same future it can be is used on the manual mode in the household where a minor is present
to prevent children from getting in touch with hot parts. The function of this future is explained in
details on the manual .
2.9.2Thermostat
All of our ovens are built with three bi-metal mechanical thermostats for each cavity. The
thermostats are mounted in contact with the metal sheet on top of each cavity.
2.9.3Double Speed Thermostat
The double speed thermostat is acting in conjunction with the by-pass resistor and is connected in
parallel with it.
In the regular cooking mode when the read temperature at the surface of the metal sheet in
under 158 °F(70 °C) the power is flowing trough the resistor and it feeding the cooling fan with a
voltage lower than nominal .
If the temperature of 158 °F(70 °C) is depassed, the thermostat is closing the circuit and the
resistor is by-passed and now we can read at the poles of the cooling fan motor the full voltage of
installed AC 230V and the RPM of the cooling fan will almost double.
The reset is automatic when the temperature at the surface of the metal sheet decreases under
the 158 °F(70°C) and the cooling fan is reducing the RPM at the manufacturer factory set-up.
RPM = rotation per minute
2.9.4Safety Thermostat
The function of the safety thermostat is to protect the of the oven from over heating in the event of a
malfunction of the cooling fan.
Description:
In the regular cooking mode when the read temperature at the surface of the metal sheet in
under 198°F (92 °C) the power is energizing the electronics and the heating elements as
well.
In the Self Cleaning mode when the read temperature at the surface of the metal sheet in
under 310 °F (155 °C) the power is energizing the electronics and the heating elements as
well.
In the event that the temperature is rising over the limits, the thermostat will switch mechanically
from off position to on position and all of the heating elements will be cut of from the power. All of
the electronics will be still powered.
The reset is automatic when the cooling fan was replaced or the cooling fan problem was solved
and the temperature is in the right functioning parameters.
Troubleshooting guide
4.1
Error Message
CodeErrorDescriptionPossible Cause Corrective Actionsection
E017
Temperature
sensor broken
or
disconnected.
The control
reads out of
range values.
Bad connection
Temperature sensor
broken.
Check the connectors and
the harness Replace the
sensor7.14
E001Temperature
sensor shorted.
Bad connection
Temperature sensor
broken.
Check the connectors and
the harness Replace the
sensor
7.14
E004
Electronic boards
over temperature
(t>100°c).
Overheating of
the internal
parts.
Cooling fan broken Replace the cooling fan7.2
Bad connections
between cooling fan
and electronics.
Check connections--
Air flow through the
cooling channel is not
sufficient.
Check proper installation.
The slot between the
control panel and the door
must be free.
--
Defective cooling fan
relay on main power
board
Replace the power board. 7.18
Faulty NTC sensor on
main power board
Replace the power board. 7.18
E016
Oven cavity
overheating
Runaway
temperature
condition
during
cooking.
One or more relays are
stuck, driving heating
elements.
Check the contact of
Element relays
Replace the power board
7.18
E008
Latch
mechanism
time-out
overflow
The control
can’t perform
any locking or
unlocking cycle
within the
maximum
Latch mechanism
problem. --
Latch motor problem Replace the motor 7.8
Defective latch micro
switch Replace the micro switch 7.9
allowed time.Bad connections Check the motor
connections and the micro
switches connections
--
E032Wrong oven
model
configuration
Repeat the oven
configuration
(see section 2.5)
Failure declarations and error codes
The control is continuously checking the status of the system. If an abnormal condition
is detected for more than 1 minute, a failure occurs:
The heaters and the other loads are disabled.
The display shows a “E” letter flashing, followed by a numeric code that depends
on the kind of failure.
The control emits an acoustic warning signal that will last for some minutes.
To reset a failure declaration, first remove the cause of the failure then touch the [H]
key (OFF).
Troubleshooting guide
4.2
Oven not operative
AnomalyPossible Cause Corrective Action section
Oven does not run
No power supply
Main breaker or main
fuses
Replace the fuses
--
Short circuit
Find the short circuit and remove it.
Check internal connections (short
circuit, interruptions, etc..)
--
Oven does not run
Power supply ok.
Connections to the
Electronic Control
Replace the Power Board
7.18
Troubleshooting guide
4.3
Cooling Fan Problems
AnomalyPossible Cause Corrective Action section
Fan does not run
No power supply
800Ωresistor broken
Replace 800Ωresistor
7.12
Bad connection
Relay on power
Board.
Check the connectors and the harness.
Replace the PB7.18
Fan does not run
Power supply ok.
Blocked rotor
Replace fan
7.2
Burned coil
Replace fan
7.2
Noisy fan
Lose attachment
screws on cooling
assembly
Check attachment screws on cooling
assembly or replace fan
7.2
The cooling fan is always on
The control is
measuring a high
temperature inside
the cavity
Check all the connections between the
sensor and the Display Control.--
Check the probe temperature sensor .
7.14
Troubleshooting guide
4.4
Convection Fan Problems
AnomalyPossible Cause Corrective Action section
Fan does not run
No power supply
Bad connection
Relay of convection
fan not switching
Check the connectors and the harness
Replace the Power Board
7.18
Fan does Not run
Power supply ok.
Blocked rotor
Replace fan
7.4
Burned coil
Replace fan
7.4
Noisy fan
Lose attachment
screws on cooling
assembly
Check attachment screws
Check nut on working fan for tightness
or replace it
--
Troubleshooting guide
4.5
Door Lock Problems
AnomalyPossible Cause Corrective Action section
Door lock control does not
run
No power supply.
Bad connection
Relay of door lock ,motor
not switching
Check the connectors and the harness
Replace the Power Board7.18
Motor latch micro switch not
switching.
Replace the motor micro switch.
7.9
Door lock control does not
run
Power supply ok.
Locked rotor.Replace motor. 7.8
Burned coil.Replace motor. 7.8
Noisy.
Defective mounting of door
lever mechanics.
Check lever mechanism of door lock.
Lubricate all working parts with silicon
grease
--
The control doesn’t unlock
the door after self cleaning
and the lock symbol on the
display is steadily on.
The Oven temperature is
still beyond the safety
unlock value.
Wait for the temperature to drop below
the threshold.--
Check all the connections between the
sensor and the Electronic control.--
Check the temperature sensor.
If is damaged, replace it.7.14
Check the Power board.
If is damaged, replace it.7.18
The Oven had been locked
by means of the child lock
procedure.
Use the same procedure to unlock the
door.
--
The control doesn’t unlock
the door after self cleaning
and the lock symbol on the
display is always flashing.
Door lever mechanism
locked
Check lever mechanism of door latch.
Lubricate all working parts with silicon
grease--
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