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Error code reference
Whirlpool Microwave Error Code F6E1-0
ACU/HMI Communication Fault - communication failure between ACU and HMI boards.
SourceWhirlpool Microwave - Tech Sheet: Service Diagnostics & Error Codes (W11739870)p. 3
Diagnostic procedure
The full F6E1-0 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
Unplug microwave oven or disconnect power. Plug in and press keys to check if function is OK. If not OK, replace the cable between ACU and HMI.
SourceWhirlpool Microwave - Tech Sheet: Service Diagnostics & Error Codes (W11739870)p. 3
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
4 manuals in the MyPros+ library document this code for Whirlpool microwave.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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