LG MC-3182NBR Service Manual page 22

COMPONENTS
CIRCULATION MOTOR
(Wire leads removed)
NOTE : A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
MAKE SURE THE WIRE LEADS ARE CORRECT POSITION.
WHEN REMOVING THE WIRE LEAD FROM THE PARTS, BE SURE TO GRASP THE
CONNECTOR, NOT THE WIRES.
TEST PROCEDURE
5-12
RESULTS
Normal : COM-230V : Approx. 180 Ω
Abnormal : Infinite or several ohm.