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Error code reference
Whirlpool Oven Error Code Microwave Oven Inverter Error
Microwave oven inverter error - communication or inverter failure.
SourceWhirlpool Oven - Tech Sheet: Safety & Service (KEMS379BSS00)p. 4
Diagnostic procedure
The full Microwave Oven Inverter Error 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
Cycle power (Off, wait 10 seconds, On), start a microwave cooking function and wait 1 minute to verify failure reappears. Unplug and check that P21 and P22 connections of the Microwave Appliance Manager are firmly connected.
SourceWhirlpool Oven - Tech Sheet: Safety & Service (KEMS379BSS00)p. 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
1 manual in the MyPros+ library documents this code for Whirlpool oven.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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