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Error code reference
Bosch Refrigerator Error Code F52
The value of the reference measurement of the finger protection was too low (measured value with actuated LED was higher than without LED).
SourceBosch Refrigerator - Service Manual: IK 300/302 Series
Diagnostic procedure
The full F52 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
Check plug X504 on the electronics module, clean ice dispenser slot, check finger protection electronics module.
SourceBosch Refrigerator - Service Manual: IK 300/302 Series
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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