Model reference

KitchenAid KHMS155L

Name: KitchenAid KHMS155L
Brand: KitchenAid

Microwave

1 document2 error codes4 service modes

Available documentation

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M+ Max·KitchenAid Microwave

Letter/number code on Oven Status screen on my KitchenAid KHMS155L

M+

The oven has detected an internal

From Tech Sheet W17309921, p.13:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

CodeMeaning

Child Lock["Ensure the microwave oven and Timer are off.","Touch and hold START for 5 seconds until 2 tones…
Demo Mode["Ensure the microwave oven and Timer are off.","Touch and hold TIMER for 5 seconds until 2 tones…
Turn Off All Tones["Touch and hold the number pad 2 for 5 seconds until 2 tones sound."]
Turn Off Valid Entry Tones["Touch and hold the number pad 1 for 5 seconds until 2 tones sound."]

Full entry steps, exit procedures, and test sequences are available in Max.

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