Service Mode / Setting Option Code; Hbl3/Hbn3 - Bosch HBL8 50UC Series Service Manual

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.
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