LG LMC1575BD Service Manual page 24

COMPONENTS TEST PROCEDURE RESULTS
Humidity Sensor Check sensor wire open using tester
If sensor open, exchange sensor.
NOTE : • A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON.
• MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.
• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE CONNECTOR, NOT THE WIRES.
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