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Model reference

Bosch HBN34X0UC

Oven

1 document32 error codes3 service modes

Available documentation

Service Manual

  • SERVICE MANUAL for 300, 500, and 800 Series Built-in Wall Ovens36 pg
    Covers this model
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Error codes (32)

CodeMeaning
E000Control module and user interface are mismatched (wrong module combination).E003User interface electronics exceed 185°F/85°C.E005Loss of communication between user interface and control module at start-up.E009ROM check error in user interface.E010Data memory error in user interface.E011Continuous pushing of single key detected.E012Defective user interface PCB temperature sensor.E014ON/OFF key does not work.E032Continuous pushing of keys (10 seconds of multiple keys being pressed).E101Cavity 1 (upper/single) temperature sensor open.E104Cavity 1 (upper/single) temperature sensor shorted.E106Cavity 1 (upper/single) door latch does not lock.E107Cavity 1 (upper/single) door latch does not unlock.E115Cavity 1 (upper/single) temperature in unlocked cavity too high.E116Cavity 1 probe error.E118Cavity 1 (upper/single) cooling fan supervision errorE122Cavity 1 probe sensor temperature too high or shorted.E123Cavity 1 probe sensor temperature too low.E124Cavity 1 (upper/single) door switch errorE126Cavity 1 (upper/single) door latch errorE201Cavity 2 (lower) temperature sensor open.E204Cavity 2 (lower) temperature sensor shorted.E206Cavity 2 (lower) door latch does not lock.E207Cavity 2 (lower) door latch does not unlock.E215Cavity 2 (lower) temperature in unlocked cavity too high.E218Cavity 2 (lower) cooling fan supervision errorE224Cavity 2 (lower) door switch errorE226Cavity 2 (lower) door latch errorE303Control module electronics exceed 212°F/100°C.E309ROM check error in control module.
View all 32 error codes
E310Data memory error in control module.E312Defective control module PCB temperature sensor.

Service modes (3)

  • Service Mode - HBL3/HBN3["Press and hold TEMP.","Press and hold COOK TIME.","Rotate the Cooking Mode dial out of the OFF…
  • Service Mode - HBL5/HBN5["Press and hold START and FAST PREHEAT.","Rotate the Cooking Mode dial out of the OFF…
  • Service Mode - HBL8["Press and hold START.","Press and hold FAST PREHEAT.","Press ON/OFF.","Release all three…

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