Bosch Freezer Error Codes

8 error codes for Bosch freezer models. Each links to the full diagnostic procedure from the service manual.

CodeDescription

E02Room sensor is out of range due to sensor break or short circuit.E05Evaporator sensor is out of range; no failure message during normal operation…E10Invalid EEPROM data for CPM (Control Power Module).E11Invalid EEPROM data for DOM (Display Operation Module).E15Ambient sensor is out of range due to sensor break or short circuit.E20Communication error between CPM and DOM.FILTRCHGWater filter has to be changed immediately.LOWPOWERMains voltage has decreased below the defined limit (85V for US, 165V for EU &…

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M+ Max·Bosch Freezer

E02 on my Bosch Freezer

M+

Room sensor is out of range due to sensor break

From Service Manual 140821, p.33:

1.Check X101 and sensor socket on body, change sensor.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part 00705047

Control module

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