Bosch Vision 800 Series Manuel d'entretien - Page 34
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58300000202443_ARA_EN_C
Error Code
Description
Touch control module (TCM)
E044
option code error
Rotary encoder switch short to
E050
Vcc (500 series only)
E101
Cavity 1 / Cavity 2 temperature
E201
sensor open
E104
Cavity 1 / Cavity 2 temperature
E204
sensor shorted
E106
Cavity 1 / Cavity 2 door latch does
E206
not lock
Copyright by BSH Home Appliances Corporation
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.
JANUARY 2018
Cause/Notes
TCM board or connections to TCM are bad.
During start-up, the control module is unable
to set TCM option code. Reset is required to
clear error.
A short to Vcc is detected in an encoder switch
for more than 10 seconds.
Temperature sensor disconnected or has a
faulty connection. Cooling fan will operate at
high speed and heating will stop. After two
consecutive temperature readings are made
successfully, heating will resume and error will
be cleared. See Communication Schematic.
Temperature sensor shorted to ground.
Cooling fan will operate at high speed and
heating will stop. After two consecutive
temperature readings are made successfully,
heating will resume and error will be cleared.
See Communication Schematic
Latch operation not determined by control
module. Door latch does not lock after 1
minute and further attempts will stop. Error
will be cancelled and normal operation
resumed if a locked door is no longer required.
See Cavity 1 (upper) Small Load Schematic
1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614
Service Manual for Bosch 800 Series Built-in Wall Ovens
Suggested Action(s)
Enter Service mode to set correct option
code.
Check connection to control module.
Check connection to TCM.
If unable to set option code and
connections are good, replace front panel
assembly.
Replace rotary encoder switch
Check all connections and wires to
temperature sensor.
Check resistance of temperature sensor: if
sensor tests OK, could be control module
problem; if sensor fails, replace sensor.
Check wires and connections for pinch or
short circuit to ground.
Check resistance of temperature sensor: if
sensor tests OK, could be control module
problem; if sensor fails, replace sensor.
Check latch motor and switch
connections/wires.
Check connections to control board.
Check wires between control board and
latch. Check operation of door switch.
Check latch for binding/mechanical latch
failure.
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