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Error code reference

Gaggenau Refrigerator Error Code ALARM

Sensor fault detected during appliance self-test; a technical defect is possible.

Gaggenau codesGaggenau refrigerator codes
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Diagnostic procedure

The full ALARM procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Conduct an appliance self-test by switching off the appliance, waiting 5 minutes, switching it back on, then holding SETUP and ALARM OFF buttons simultaneously for 5 seconds.
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More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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