Bosch Benchmark HBLP451RUC Service Manual - Page 36
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58300000181895 ARA EN A
Error Code
Description
E009
ROM-check error in user interface
E309
E010
Data memory error in user
E310
interface
Continuous pushing of a single key
E011
(E411 internal error reported as
E011)
Defective control module
E312
temperature sensor
E314
Cancel / Off key error
E414
Continuous pushing of multiple
E032
keys
(E432 internal error reported as
E032.)
Touch control module (TCM)
E044
option code error
Rotary encoder switch short to
E050
Vcc (500 series only)
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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.
JUNE 2014
Cause/Notes
ROM-check performed at reset fails. All
heating elements disabled. Error will be
cancelled at start-up if next ROM-check
succeeds.
Cyclic check of memory content or a write to
memory failed. All heating elements will be
disabled. Error will be cancelled at start-up.
Key pressed continually for 10 seconds, or
touchpad assembly has a bad key. Heating will
be stopped and will resume when key is no
longer pressed.
All oven operations suspended until control
reset
Oven operation will be stopped. Error
cancelled only by a system reset.
Two or more keys continuously pressed for 10
seconds or touch pad assembly has more than
one bad key. Key actions are suspended and
heating is paused. Error will clear and normal
operation will resume when no touch pads are
depressed.
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.
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Service Manual for Bosch Benchmark Series Built-in Wall Ovens
Suggested Action(s)
E009: Replace user interface
E309: Replace control module
E010: Replace user interface
E310: Replace control module
Confirm touch panel is clean and free of moisture, oils
or other contaminants.
Inspect user interface PCB.
Check door seal to verify vapor/moisture is not causing
key activation; replace seal if necessary. Run Key Test
in Service mode; if it fails, replace front panel
assembly.
Replace control module
Check touch pad assembly.
Inspect user interface PCB.
Confirm touch panel is clean and free of moisture, oils
or other contaminants.
Inspect user interface PCB.
Check door seal to verify vapor/moisture is not causing
key activation; replace seal if necessary. Run Key Test
in Service mode; if it fails, replace front panel
assembly.
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
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