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Error code reference
Amana Range Error Code 1c4c
Micro communication failure (serial communications checksum invalid); disables all outputs.
SourceAmana Range - techsheet-16026686.pdf: AER5511BABp. 6
Diagnostic procedure
The full 1c4c 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 serial communications between control components; detected after 5 tries.
SourceAmana Range - techsheet-16026686.pdf: AER5511BABp. 6
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
2 manuals in the MyPros+ library document this code for Amana range.
Models covered by the manuals that document this code
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