mypros+
Model reference

LG SMH7175WC

Microwave

1 document4 error codes2 service modes

Available documentation

Service Manual

  • SERVICE MICROWAVE OVEN Manual40 pg
    Covers this model
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  • Step-by-step diagnostics from the service manual
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Error codes (4)

CodeMeaning
error1Shorted sensor circuit detected.error2Open sensor circuit detected.error3On the cooling mode, sensor's Vout was not less than 4.7V within 3 minutes.error4During sensing mode, the door was opened.

Service modes (2)

  • Sensor Cooking Test1. Place 1/3 cup tap water in oven. 2. Touch Potato pad
  • Sensor Quick TestWith 2 fingers, touch and hold the Auto Defrost and Sensor Reheat pads at the same time.

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

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