Error code reference

Amana Oven Error Code 21

RTD (temperature sensor) Shorted. May display repeatedly if room temperature is too low.

SourceAmana Microwave - Service Manual - RS2820001: HSL2030p. 21

Diagnostic procedure

The full 21 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

Verify room temperature is not too low.

SourceAmana Microwave - Service Manual - RS2820001: HSL2030p. 21

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Where this code is documented

4 manuals in the MyPros+ library document this code for Amana oven.

Models covered by the manuals that document this code

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The full 21 procedure

Where this code is documented

Models covered by the manuals that document this code

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