CODE
DESCRIPTION
E000
Wrong module combination
E003
Electronics too hot
E005
Communication error
E009
ROM check error in user interface
E010
Data memory error in user interface
E011
Continuous pushing of single key
E012
Defective User Interface PCB temp.
sensor
E014
ON/OFF key does not work
E032
Continuous pushing of keys
E101/E201
Cvt 1/Cvt 2 Temp. sensor open
E104/E204
Cvt 1/Cvt 2/Temp. sensor shorted
E106/E206
Cvt 1/Cvt 2 Door latch does not lock
E107/E207
Cvt 1/Cvt 2 Door latch does not
unlock
E115/E215
Cvt 1/Cvt 2 Temp. in unlocked cavity
too high
E116
Cvt 1/Cvt 2 Probe error
CAUSE/ACTION
Control module and user
interface are mismatched. Set
Option Code properly.
User interface exceeds
185°F/85°C
Loss of communication
between user interface and
control module at start-up.
Check for ~4.9Vdc on middle
pin of communication
harness. Check connections
of all communication lines
and control module inputs.
User interface not getting all
information from control
module at start-up. Check for
loss of communication or
disconnected wire
somewhere in unit
Check user interface
assembly. Inspect touch
PCB.
10 seconds of multiple keys
being pressed.
Refer to Diagram 2/4
Refer to Diagram 2/4
Refer to Diagram 2/4
Refer to Diagram 2/4
Standard probe module is
part of the control module.
Refer to Diagram 1.
CODE
DESCRIPTION
E118/E218
Cvt 1/Cvt 2 Cooling fan supervision
error
E122
Cvt 1/ Probe sensor temp. too high
or shorted.
E123
Cvt 1/ Probe sensor temp. too low
E124/E224
Cvt 1/Cvt 2 Door switch error
E126/E226
Cvt 1/Cvt 2 Door latch error
E303
Electronics too hot
E309
ROM Check error in control module
E310
Data memory error in control module
E312
Defective control module PCB temp.
sensor
Table 7 Error codes
5.2
Service Mode / Setting Option Code
When both the user interface board and control module (relay board)
are replaced, the oven will display E000 (Wrong Module Combination)
fault code at start-up. To resolve, place the unit in Service Mode and
manually set the Option Code.
5.2.1
HBL3/HBN3
To enter service mode...
1.
Press and hold TEMP.
2.
Press and hold COOK TIME.
3.
Rotate the Cooking Mode dial out of the OFF position.
4.
Release the two buttons.
Service Manual for Bosch Built-in Wall Ovens
CAUSE/ACTION
Cooling fan speed is too low
or too high. Refer to Diagram
2/4. Ensure wire harness not
touching motor or pinched.
Confirm plenum not touching
fan end cap. Check Hall
Effect Sensor connection.
Check probe receptacle and
harness.
Door switch is in undefined
state. Refer to Diagram 2/4.
Door latch is in an undefined
state. Refer to Diagram 2/4.
Control module exceeds
212°F/100°C.
Page 20 of 36
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