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Error code reference
Bosch Dishwasher Error Code Er:20
Spin cycle terminated-no communication between control and inverter, or unbalance too high.
SourceBosch Washer WFMC1001UC07 - Tech Sheet: Test Programs & Error CodesSheet 2 of 4
Diagnostic procedure
The full Er:20 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 wire harness, check load.
SourceBosch Washer WFMC1001UC07 - Tech Sheet: Test Programs & Error CodesSheet 2 of 4
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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Where this code is documented
3 manuals in the MyPros+ library document this code for Bosch dishwasher.
Models covered by the manuals that document this code
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