Bosch Vision 800 Series User manual

SERVICE MANUAL
for
800 Series
Gas Slide-in Ranges
HGI8054UC
This manual contains information that is necessary for
servicing the following Bosch gas slide-in ranges:
HGI8054UC
This manual is designed to be used by qualified service
personnel only. Due to the complexity and the risk of
high-voltage electrical shock, Bosch does not recommend
that customers service their own units.
This material is intended for the sole use of BSH
authorized persons and may contain confidential and
proprietary information. Any unauthorized review, use,
copying, disclosure, or distribution in any format is
prohibited.

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
TABLE OF CONTENTS
1Symbols Used In This Manual ..................................................3
2Important Safety Information....................................................4
2.1Safety before Servicing the Appliance ..................................4
3General.......................................................................................7
3.1 Models .................................................................................7
3.2 Data Plate ............................................................................7
3.3 Technical Details ..................................................................8
3.4 Warranty...............................................................................8
4Oven Operation .........................................................................9
4.1 Allowable Operating Range by Cooking Mode......................9
4.2 Burners/WD Element............................................................9
4.2.1 Burners Used by Cooking Mode....................................9
4.2.2 Setting Temperature Offsets........................................10
4.3 Cooling Fan........................................................................10
5Cooktop Operation ..................................................................11
5.1 Burner Ratings ...................................................................11
5.2 Flame Characteristics:........................................................12
5.3 Spark Module .....................................................................12
5.3.1 Flame Rectification......................................................12
5.4 Jet Holders .........................................................................13
6Service and Repair: Oven .......................................................14
6.1 Doors .................................................................................14
6.1.1 Addition of Flat Springs to Door Assembly...................14
6.1.2 Removing and Reinstalling the Door ...........................14
6.1.3 Replacing Hinges ........................................................15
6.1.4 Replacing the 2-Pane Glass Pack ...............................16
6.2 Door Latch/Motor Assembly ...............................................17
6.2.1 Replacing the Latch/Motor Assembly ..........................18
6.3 Control Panel......................................................................18
6.3.1 Replacing the Control Panel Assembly........................19
6.3.2 Replacing the Display Module .....................................19
6.4 Cavity Light ........................................................................20
6.4.1 Replacing the Lamp ....................................................20
6.5 Convection Fan and Motor .................................................20
6.5.1Replacing the Convection Fan Blade...........................20
6.5.2 Replacing the Convection Fan Motor ..........................21
6.6 Oven Burners and Hot Surface Igniters (HSIs) ...................21
6.6.1 Replacing the Broil Igniter ...........................................21
6.6.2 Replacing the Broil Burner ..........................................22
6.6.3 Replacing the Bake Igniter ..........................................23
6.6.4 Replacing the Bake Burner..........................................23
6.7 Temperature Sensor ..........................................................24
6.8 Control Module (Relay Board) ............................................24
6.8.1 Replacing the Control Module .....................................24
6.9 Cooling Fan........................................................................25
6.9.1 Replacing the Cooling Fan ..........................................25
6.10 Hinge Receivers.................................................................26
6.10.1 Replacing the Hinge Receivers ...................................26
7Service and Repair: Cooktop..................................................27
7.1 Replacing Burners and Burner Bases.................................27
7.2 Replacing Spark Igniters ....................................................27
7.3 Replacing Spark Switch Harness .......................................27
8Troubleshooting ......................................................................29
8.1 Error Codes........................................................................29
8.2 Service Mode .....................................................................34
8.2.1 Accessing Service Mode .............................................34
8.2.2Setting the Option Code ..............................................34
8.2.3 Displaying Error Memory.............................................35
8.2.4 Testing Relays ............................................................35
8.2.5 Testing Front Panel.....................................................35
8.3 Wiring Diagrams and Schematics.......................................35
9Additional References.............................................................36
9.1 QuickFinder........................................................................36
9.2 Technical Support ..............................................................36

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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1 SYMBOLS USED IN THIS MANUAL
WARNING – this symbol alerts you to dangers that may
result in bodily injury or death
CAUTION – this symbol alerts you to actions that may
result in damage to the product or property

NOTICE – this symbol alerts you to important information
and/or service tips.
VIDEO – related service video available for viewing on
QuickFinder
!
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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2 IMPORTANT SAFETY INFORMATION
Before starting to service an appliance, familiarize yourself with all
safety information and precautions included in this manual.
2.1 Safety before Servicing the Appliance
WARNING
Electrical hazards…
Before servicing the appliance, remove electrical power by
either disconnecting the power cord from the wall receptacle
or by putting the circuit breaker in the OFF position.
If tests must be conducted while the appliance is live, always
use a residual-current-operated circuit breaker. The
protective conductor connection must not exceed the
recommended values.
When repairs are complete, perform a function test in
accordance with the appropriate regulations.
Do not, under any circumstances, cut or remove the separate
ground wire or the third (ground) prong from the power cord
plug.
Improper grounding or reverse polarization will cause
malfunction, which can damage the appliance and create an
electrical shock hazard. Make sure the circuit is properly
grounded and polarized in accordance with applicable local
codes and ordinances. Receptacle replacement shall be in
accordance with the National Electric Code.
!
WARNING
Before disassembly, removal, or installation of any
component…
Turn off electrical power by removing the power cord from
the electrical outlet or putting the circuit breaker in the OFF
position.
Turn off all burners and gas supply to the appliance.
Be sure the entire appliance has cooled to a safe
temperature.
Wear protective gear: gloves, long sleeves, safety glasses.
!
WARNING
Use of replacement parts…
Use only authorized replacement parts for this appliance. Use of
unauthorized substitutions may cause non-compliance with safety
standards set for home appliances, will void the warranty, and may
create safety hazards resulting in damage, bodily injury or death.
!
WARNING
Hot surfaces…
To avoid burns and injury, do not handle components and surfaces
that are hot, such as the cooktop burner assemblies, maintop, gas
burners, electric elements, hot surface igniters, heat deflector, interior
oven surfaces or the exterior area immediately surrounding the door.
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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WARNING
Sharp components…
This appliance has sheet metal parts and components which may
have sharp edges. Avoid injury by handling parts with care and using
adequate protective measures, such as wearing gloves.
!
WARNING
Clean-up hazards…
Do not allow any cleaning or polishing solutions/compounds,
disinfectants, or bleaches to remain in contact with the stainless steel
surfaces for long periods, or after clean-up. These may contain
chemicals or materials which could release harmful inhalants and
may cause damage to the appliance. After cleaning or polishing,
always rinse the cleaning/polishing materials with clear water and
wipe dry with a clean, soft, non-abrasive cloth.
!
WARNING
Fire / Explosion hazards…
Confirm that the gas valve at the wall is closed before
servicing any gas components.
Do not store or use flammable vapors, liquids or combustible
materials in the vicinity of the appliance.
Do not use water on grease fires. Turn appliance off and
smother the fire with baking soda or use a dry chemical or
foam-type extinguisher.
!
WARNING
What to do if you smell gas…
Do not try to light any appliance.
Do not touch any electrical switch.
Do not use any phone or cell phone in the building.
Immediately call the gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire
department.
!
WARNING
Testing for gas leaks…
Do not use a flame to test for gas leaks, as doing so may
result in an explosion, injury, death and/or damage to the
appliance and property.
With electrical power off, carefully check for gas leaks at
each gas component that was removed, replaced, or
otherwise serviced, using a gas leak detector (electronic leak
detectors are highly recommended) or bubble test.
!

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
WARNING
Prior to returning appliance to service, confirm that…
All electrical connections are correct and secure
All safety grounds (internal and external) are correctly and
securely connected
All gas connections are secure and have been leak-tested
using a gas leak detector or bubble test.
All panels and components are properly and securely
reassembled
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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Figure 2Location of data plate
Figure 1Model number nomenclature
H GI805 4U C
F
UEL
HD = dual-fuel
HG = gas
HE = electric
HI = induction
T
YPE
I = slide-in
S
ERIES
8 = 800
P =Benchmark
W
IDTH
0=30”
COLOR
5 = SS
VARIANT
4 = 2014 launch
C
OUNTRY
U = US
C = Canada
UC = US & Canada
3 GENERAL
The HGI8054UC is a stainless gas range, which is a full-depth model,
designed to replace either a free-standing or slide-in range in a flush
installation. It has a sealed 5-burner cooktop, which includes a center
18K BTU burner. The ovens feature a convection fan to circulate air
throughout the cavity during convection cooking, and there is a 400W
warming drawer with push-to-open (PTO) slides as well.
The range features a VFD red and white display with touch controls to
operate the oven and metal knobs to control the gas cooktop burners.
The range ships natural gas ready, and an LP Gas Conversion kit is
included.
The door skin and warming drawer front are made of grade 430
brushed stainless steel, which is magnetic.
3.1 Models
The model number structure for the 2014 slide-in ranges appears
below.
3.2 Data Plate
The data plate reflecting model number and FD number is located on
the inside of the warming drawer front, as shown in Figure 2; open the
drawer to view.
The first 4 positions of the FD number reflect the year/month the
product was built. FD numbers that begin with 94 were built in 2014;
95 = 2015; 96 = 2016, etc. An FD of 9404 indicates the range was
built in April 2014.
NOTICE
Be prepared to provide the complete Model Number (including the
number after the “/”) and FD number printed on the data tag of the
unit when contacting Bosch Customer Support or Technical Support
for assistance.

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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Table 1 Technical specifications
3.3 Technical Details
120V
X
Required Circuit 240V
15A
Required Circuit 208V
15A
Power Cord (Canada only)
78”/198cm long
Total Gas
71000, 20.8kw
3.4 Warranty
The product is warranted to be free from defects in materials and
workmanship for a period of 365 days from date of purchase.
Bosch will have no responsibility or liability for repairs or work
performed by a non-authorized servicer.
Find the complete Statement of Limited Product Warranty in the
product’s Use and Care Manual.

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
4 OVEN OPERATION
The range ships from the factory ready for use with natural gas.
Conversion to LP must be performed by a qualified installer or
servicer. An LP conversion kit ships with each range, and the kit is
also available as a service part.
The broil and bake burners are controlled by the power board, via
relays which supply 120V to the dual valve and hot surface igniters
(HSIs). The dual valve (to feed the bake and broil burners) and the
igniters are in series connection that requires both to be in operating
condition in order for gas to flow and ignite. If either is not working,
gas will not flow. Most of the 120V are dropped across the igniter. In
general, 115V will be on the igniter with 3-4V on the valve. The total
series current through the igniter/valve is approximately 3.5 amps.
When heat is called for from the bake or broil burners, the control
board activates the appropriate relay to supply power to the ignition
circuit. The igniter should be visibly glowing approximately 10 seconds
after the relay turns on. Gas ignition should occur within a maximum
of 90 seconds from the time power is supplied to the ignition system.
Gas will continue to flow as long as power is supplied to the ignition
system. If power is removed, or the dual valve or igniter develops an
open circuit, gas will flow for approximately 30 seconds before the
dual valve switches to the normally closed position.
4.1 Allowable Operating Range by Cooking Mode
Table 1 reflects the minimum and maximum temperatures by cooking
mode.
Cooking Mode Min Max Default
Bake 100°F 550°F 350°F
Broil Low
450°F
High
550°F High
Cooking Mode Min Max Default
Roast 100°F 550°F 325°F
Warm 150°F 225°F 170°F
Sabbath 100°F 425°F N/A
Self-Cleaning 2
hours
4 hours 3 hours
Proof 85°F 125°F 100°F
Convection Bake
100°F
550°F
325°F
Convection Roast 100°F 550°F 325°F
Pizza
100°F
550°F
400°F
4.2 Burners/WD Element
All ovens include a 12.5K BTU broil burner, an 18K BTU bake burner,
a convection fan and a warming drawer with a 400W element.
During normal operation, when the oven door is opened, burners and
convection fan are disabled; heating and fan operation will resume
when the door is closed. (When Sabbath mode is enabled, the bake
burner is not disabled when the door is opened.)
4.2.1 Burners Used by Cooking Mode
The table below reflects which burners are used for each cooking
mode, and which modes also use the convection fan to circulate air.
Cooking Mode
Burners Used
Description
Bake
Bake
Bake burner generates heat and cycles to
maintain oven temperature
Broil
Broil
Intense heat is radiated from the upper
burner
Table 2Allowable temperature range by cooking mode

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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Cooking Mode Burners Used Description
Roast
Bake
Bake burner generates heat and cycles to
maintain oven temperature
Pizza
Bake, Conv Fan
Bake burner generates heat and cycles to
maintain oven temperature, while the
heat is circulated by the convection fan.
Warm
Bake
Bake burner generates heat and cycles to
maintain oven temperature
Proof
Bake
Bake burner is used to maintain a low
temperature
Convection Bake
Bake, Conv Fan
Lower burner cycles to generate heat and
maintain oven temperature while the heat
is circulated by the convection fan.
Convection Roast
Bake, Conv Fan
Lower burner cycles to generate heat and
maintain oven temperature while the heat
is circulated by the convection fan.
4.2.2 Setting Temperature Offsets
In some cases, it may be necessary to adjust the oven temperature if
the customer reports that food is consistently under- or over-cooked,
even though the oven is operating normally. Temperature Offsets can
be entered by the customer from the Customer Settings menu to raise
or lower the cavity temperature during operation in Bake, Convection
Bake, Roast and Convection Roast.
The allowable Offset range is from 0°F to 35°F, positive or negative,
in 1° increments.
1. Press Settings to access the Customer Settings menu (from
stand-by mode only)
2. Press 9for Temperature Offset (single/upper) or 10 (lower).
3. Press Enter to edit the current setting.
4. Press (-) or (+) then enter the offset value using the numeric
keys - always enter the value as 2 digits (i.e, 05).
The new value is saved when the display changes from edit
mode back to display mode.
5. Press Clear On/Off to exit the Settings menu.
Example: A +25° offset will result in a cavity temperature of 350°
when the cooking temperature is set to 325° for any of the cooking
modes affected by the Offset. Similarly, a -25° offset will result in a
cavity temperature of 300° when the cooking temperature is set to
325°.
The adjusted temperature cannot be less than the minimum allowable
temperature for the cooking mode, nor higher than the maximum for
the cooking mode. See Allowable Operating Range by Cooking Mode
section.
4.3 Cooling Fan
The cooling fan is used to maintain allowable temperatures on internal
components and customer-accessible surfaces.
The cooling fan turns on low speed when the cavity temperature is at
or above 300°F/150°C. The fan will continue to run for 15 minutes
after the mode has been cancelled.
During Self-clean, the cooling fan turns on high speed when the cavity
temperature reaches 300°F/150°C and will continue running for 15
minutes after the door unlocks (@255°C/491°F).
Table 3Active burners by cooking mode

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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5 COOKTOP OPERATION
The range ships from the factory ready for use with natural gas.
Conversion to LP must be performed by a qualified installer or
servicer. An LP conversion kit ships with each range, and the kit is
also available as a service part.
Each of the sealed surface burners is controlled by a gas valve
attached to a common manifold pipe. The spark igniter switches are
assembled in a continuous harness, and each switch fits onto a
control valve. The valve shafts extend through the front panel where
the knobs are attached.
Each burner has an electronic igniter; there are no pilot lights.
When the knob is pushed inward and rotated clockwise to the LIGHT
position…
Control valve opens and gas flows from the manifold to the
burner tube into the jet holder assembly and through the
orifice, where it combines with air to create the mixture
necessary for combustion.
Spark switch closes and sends 120VAC to activate the
electronic spark module.
Spark module output sends 14,000VDC to the igniter
(electrode) through the spark wire.
Gas and air mixture at the burner head is ignited by the spark
created beneath the grounded burner cap, causing the burner
to ignite.
If the flame is lost while the knob is on, a flame-sensing circuit
re-applies spark energy at the burner to re-ignite the gas.
The oven Self-clean mode will not operate if the cooktop is being
used; turn off all cooktop burners prior to beginning the self-clean
cycle.
5.1 Burner Ratings
The cooktop burner ratings are illustrated in Figure 3.
NOTICE
An audible pop may be heard when the burner is turned off manually.
Note that the popping sound may be louder with LP gas than with
natural gas. This is normal operation.
Figure 3 BTU ratings for each cooktop burner

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Figure 4NG/LP flame characteristics
5.2 Flame Characteristics:
Yellow Flames:Further adjustment is
needed
Yellow Tips on Outer Cones:
Normal for LP gas
Soft Blue Flames:Normal for natural
gas
5.3 Spark Module
The 5-point, 120V 60Hz 2VA flame-sensing spark module has
terminal connections on the top for power and the spark switch wires
and on the bottom for the spark igniter (electrode) wires.
5.3.1 Flame Rectification
Gas cooktop spark modules use flame rectification to reliably re-ignite
a burner if the flame goes out.
Flame rectification occurs when flame molecules ionize, allowing them
to conduct electricity. Because the cooktop frame is much larger than
the spark igniters (electrodes), the flame acts as an AC to DC rectifier.
The spark module applies an AC voltage to the spark igniter, which is
rectified from AC to DC. The spark module measures this small micro
amp (µA) DC current and senses a flame is present. If the current is
interrupted, the spark module senses the flame has gone out and re-
ignites the burner.
If burner bases aren’t solidly grounded, they won’t be connected to
the cooktop frame, the circuit through the cooktop frame to the spark
module won’t be connected, and there will be no flame rectification
(no DC voltage sensed), so burners won’t stay lit.
Igniter (electrode) wire connections
Spark switch and power connections
Figure 5 Five-point spark module

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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5.4 Jet Holders
Jet holder service assemblies include the jet holder, igniter
(electrode), orifice (jet), air shutter screw, compression nut and tubing.
Jets and electrodes may be ordered separately. To replace all other
parts, the complete jet holder assembly must be ordered.
 NOTICE
If the customer’s electrical supply has the line (L) and neutral
(N) wires reversed, there will be no DC voltages and burners
won’t stay lit (since the “voltages” are from neutral to ground).
CAUTION
Since it produces a DC voltage, flame rectification is dependent
upon having correct polarity and a good ground. Incoming
power must have the correct polarity and each burner base,
as well as the spark module, must be solidly grounded.
1Jet holder
2Igniter (electrode)
3Air shutter screw
4Orifice (jet)
5Compression nut
Figure 6 Jet holder assembly example

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6 SERVICE AND REPAIR: OVEN
6.1 Doors
The serviceable parts of the door include the handle, endcaps, outer
door glass/skin (service assembly), hinges (service kit with two dual-
spring hinges), middle glass, 2-pane glass pack, porcelain-coated
door liner, and the various fasteners.
6.1.1 Addition of Flat Springs to Door Assembly
Ranges with an FD 9502 and later include a flat spring on each side
of the inner door, between the middle glass bracket and the inner door
frame. The pressure of the flat springs against the brackets prevents
the glass from moving and rattling.
To resolve a report of rattling sounds in the door of a range with an
FD prior to 9502, order Flat Spring Service Kit 00635045. Instructions
are included in the kit.
6.1.2 Removing and Reinstalling the Door
To remove the door…
1. Open door completely.
2. Flip right and left hinge levers back to open, as shown below;
be sure the levers are in the fully open position. (The RH and
LH hinges differ slightly, but operate in the same manner.)
CAUTION
Avoid injury when removing and replacing oven doors.
Be sure range is cool enough for handling.
Position hinges properly (see Figure 5).
Grasp door only by sides, not by the handle.
Do not force door open or closed.
Handle with care–the door weighs approximately 40 lb.
CAUTION
Turn off the electrical power circuit to the range at the main
junction box before servicing this unit.
Turn off the gas supply using the shut-off valve.
For those checks requiring the use of electrical power, exercise
extreme care.
Sheet metal parts often have sharp edges. Avoid injury by
handling these parts with care.
 NOTICE
IMPORTANT INFORMATION: REASSEMBLING DOOR AFTER SERVICING
Be sure insulation is tucked in close to the glass pack. Insulation
should not block the hinge foot openings, or be visible through
the openings in the door liner after reassembly.
To avoid stripping the door liner screws or chipping the porcelain,
set a low torque setting when using a drill/driver.
When reinserting the screws which secure the door liner to the
rest of the door assembly, apply pressure to the liner to
compress the insulation inside the door while inserting the center
screw in the bottom edge of the liner first. Continue pressing on
the liner while reinserting the remaining bottom screws. Lastly,
reinsert the (4) screws/o-rings into the face of the door liner.
Figure 7Opening the hinge lever

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3. Partially close the oven door until it is open about 7” and
catches on the hinge-stop levers.
4. Using both hands, lift door upward and outward to disengage
the hinges from the hinge receiver slots.
5. Set the door aside on a protected flat surface.
To reinstall the door…
1. Hold the door firmly in both hands and position the hinges in
the hinge receivers, so that the slot in the base of the hinge (A)
engages with the hinge receiver (B).
2. Tilt the door inward and slide the hinges into place; the hinges
should catch and the door should remain in place.
3. Open door fully to expose the hinge levers and hinge receiver
slots.
4. Flip the right and left hinge levers forward until they are fully
closed.
5. Open and close the door carefully to confirm that the door is
installed correctly and securely, and does not appear to be
askew when closed.
6. Carefully close and open door to check operation.
6.1.3 Replacing Hinges
The hinges are offered in service kits which include both the RH and
LH dual-spring hinges; always replace hinges in pairs.
To access the hinges…
1. Remove the door as described in the Removing and
Reinstalling the Door section.
2. With the porcelain-coated door liner up, remove the two
screws on each side of the door liner.
3. Remove the screws along the bottom of the door assembly.
NOTICE
It may be necessary to use a tool, such as a screwdriver, to gently
pry the upper part of the hinge lever away from the housing. Take
care to avoid scratching the porcelain.
Figure 8 Position the hinge in the hinge slot
Figure 9Closing hinge lever
Figure 10 Removing door liner screws

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
Page 16 of 36
Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
4. Lift the liner away from the rest of the door assembly and set
aside.
5. Remove the screws at the top left and top right which secure
the handle to the door assembly.
6. Carefully lift the inner support frame with glass pack and
hinges away from the outer door glass/skin assembly and lay
flat on the work surface.
7. Lift the two pieces of insulation off the inner support frame
assembly and set aside.
8. Remove the screws on the upper right and lower left which
secure the hinges to the inner support frame.
9. Lift the inner support frame upwards to access the hinges.
10. Install new right and left hinges and reassemble the door.
11. Test operation of the door by fully opening and closing it
several times.
6.1.4 Replacing the 2-Pane Glass Pack
To access the glass pack…
1. Remove the door as described in the Removing and
Reinstalling the Door section.
2. With the porcelain-coated door liner up, remove the two
screws on each side of the door liner.
3. Remove the screws along the bottom of the door assembly.
4. Lift the liner away from the rest of the door assembly and set
aside.
5. Remove the screws at the top left and top right which secure
the handle to the door assembly.
6. Carefully lift the inner support frame with glass pack and
hinges away from the outer door glass/skin assembly and lay
flat on the work surface.
CAUTION
Wear protective gloves when disassembling the door. When replacing the
glass pack due to broken glass, exercise extra care to avoid injury from
broken glass.
Figure 12 Location of screws securing hinges to inner support frame assembly
Figure 11 Removing inner support frame assembly
Figure 13 Removing door liner screws

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
Page 17 of 36
Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
7. Lift the two pieces of insulation off the inner support frame
assembly and set aside.
8. Remove the screws securing the right and left side door
shields and set shields aside.
9. Carefully lift the glass pack out of the inner support frame.
10. After removing and discarding all remnants of broken glass,
install the new glass pack assembly and reassemble the door.
11. Test operation of the door by fully opening and closing it
several times.
6.2 Door Latch/Motor Assembly
The motorized door latch (MDL) mechanism (120VAC 60Hz 4.3W)
has 2 switches - the door switch and the lock/unlock switch. The latch
will automatically lock when mode and temperature selectors are set
to Self Clean, and unlock when the oven cools to ~490°F (255°C). The
latch and motor are serviced as an assembly.
If the latch becomes stuck in the locked position, turning the unit off
and back on will open the latch if the cavity temperature <491°F. If
latch is stuck in a partially locked position, turn the mode and
temperature selectors to Self Clean, then turn them to Off.
If these measures fail, run a thin wire or wire coat hanger in between
the door and the front face of the range. Figure 17 shows where to
position the wire between the latch hook (1) and the plunger (2). Slide
the wire to the left, pushing the latch hook left and releasing the latch.
Figure 17 Latch in locked position
1
2
Figure 16 Oven door latch
Figure 14 Removing inner support frame assembly
1 Door side shield
2 Inner support frame
3 Two-pane glass pack
Figure 15 Removing 2-pane glass pack
1
2
3

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
Page 18 of 36
Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
Figure 19 Door latch/motor assembly and rear support bracket
There is a Door Lock Relay Test available in Service mode. See the
Service Mode section for details.
6.2.1 Replacing the Latch/Motor Assembly
1. Remove power to the range.
2. Remove the inner screws securing the latch to the latch plate,
then remove the outer screws securing the latch plate to the
range.
3. Hold the latch hook and slide the latch assembly a little to the
left to disengage it from the small support bracket that sits
directly behind it, then pull the latch forward.
4. Disconnect the wires.
5. Install the new latch/motor assembly, reconnecting the wires
and engaging the latch correctly with the latch support bracket.
6. Position the latch plate with the curved corners at the bottom,
and reinsert screws.
7. Restore power and test operation.
6.3 Control Panel
The control panel service assembly includes…
Stainless front panel with gasket along inside bottom edge
Touch panel assembly which includes keypad and taped touch
control module (TCM).
The TCM is an electronic module which monitors, qualifies, and
transmits the inputs from the touch panel to the control module. After
start-up, the control module polls the TCM every 100ms to determine
which, if any, keys are activated. The response to a each key press is
controlled by the control module.
The complete control panel assembly is offered as the service
replacement for the stainless skin, touch panel, and/or TCM. These
components are not available separately.
Figure 18 Front latch plate; remove/replace screws in order shown
Figure 20 Control panel service assembly

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
Figure 23 Display board secured to carrier with the carrier’s 4 metal tabs
Also attached to the front panel assembly are the display board and
its sheet metal carrier. These parts are not actually included with the
front panel service assembly; the display must be ordered separately.
Front Panel Test is available in Service mode. See the Service Mode
section for details.
6.3.1 Replacing the Control Panel Assembly
1. Remove power to the range.
2. Protect the top of the oven door to prevent damage to the front
panel or door.
3. Remove two screws on the underside of the panel assembly –
one on the right and one on the left – which secure the panel
to the vent trim.
4. Remove one screw on each side of the control panel
assembly.
5. Grasping the panel by both sides, carefully pull it forward; the
user interface harness connected to the TCM and to the
display will limit how far away the control panel assembly can
be moved initially.
6. Disconnect the user interface harness from the TCM and the
display board.
7. Remove the four screws securing the sheet metal carrier to
the control panel assembly and set the carrier and display
board aside.
8. Install the carrier and display board to the new control panel
service assembly using the four screws removed in step 7.
9. Re-connect the user interface harness, then install the new
control panel assembly.
10. Restore power and test operation.
6.3.2 Replacing the Display Module
The display module is secured to the sheet metal carrier with
four metal tabs.
1. Remove the control panel as described in Replacing the
Control Panel Assembly section.
2. Using pliers, gently straighten each metal tab so that they align
with the slots in the display board, then lift the board off the
tabs.
Figure 21Location of screws on control panel service assembly
Figure 22Location of screws on sheet metal carrier

58300000194725 ARA EN B MAY 2016 Service Manual for Bosch 800 Series Gas Slide-in Ranges
Page 20 of 36
Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
Figure 24 Removing the glass lens
3. Position the new display board so that the slots in the board
align with the four metal tabs, and firmly push the board
downward until it is securely in place.
4. Slightly re-twist each of the four metal tabs.
5. Reassemble the control panel.
6. Reattach the control panel to the range.
7. Restore power and test operation.
6.4 Cavity Light
Each oven cavity uses one incandescent 40W appliance bulb with a
standard Edison base (E26). Replacement bulbs may be purchased
locally.
The cavity light can be turned on in two ways: by pressing Oven Light
or opening the oven door. If Oven Light had not been pressed to turn
light on prior to opening the oven door, the light will turn off when the
door is closed. If Oven Light had been pressed to turn light on prior to
opening the oven door, the light will remain on after the door is closed.
In other words, the Oven Light switch overrides the door.
6.4.1 Replacing the Lamp
1. Unscrew glass lens cover by turning it counter-clockwise.
2. Unscrew the appliance bulb by turning it counter-clockwise.
3. Insert the new bulb.
4. Replace the glass cover.
5. Restore power to the unit and test the operation of the light.
6.5 Convection Fan and Motor
All 800 series gas slide-in ranges have a convection fan on the rear
cavity wall.
Depending on the cooking mode selected, the fan may be used to
circulate heat evenly throughout the cavity.
The fan blade is easily accessed on the rear wall of the oven cavity
behind the convection baffle. Replacing the convection fan motor will
require access to the rear of the unit.
6.5.1 Replacing the Convection Fan Blade
1. Remove power to the range.
2. Remove the screws securing the convection baffle to the rear
wall of the oven cavity.
3. While holding the fan blade, loosen the nut by turning it
clockwise; set the nut and washer aside.
4. Remove the fan blade from the shaft of the motor, noting that
there is a second washer behind the fan blade.
NOTICE
Sometimes, after running a self-clean cycle at high heat, it may become
difficult to remove the glass lens. If it cannot be done by hand, an
adjustable strap-wrench may be used.
CAUTION

Turn off power to the range at the fuse or breaker box: light
socket is live with door open.
Be sure oven and lights are cool to the touch.
Handle glass lenses and glass bulbs carefully.