Error code reference

Amana Microwave Error Code Err4

Ambient temperature sensor out of allowed range (displayed during diagnostic test mode when pressing Defrost key).

SourceAmana Microwave - Tech Sheet: XLC20000p. 10

Diagnostic procedure

The full Err4 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

First diagnostic step

Replace H.V. board.

SourceAmana Microwave - Tech Sheet - 16023347: MRC518SUp. 8

Unlock with pass

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

21 manuals in the MyPros+ library document this code for Amana microwave.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full Err4 procedure

Where this code is documented

Models covered by the manuals that document this code

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