LG LMV1813SW Service Manual page 33

COMPONENTS
VENTILATION MOTOR
TURNTABLE MOTOR
ABSOLUTE HUMIDITY
SENSOR
STIRRER MOTOR
TEST
1.Remove lead wires.
2.Measure resistance.
(ohm meter scale: Rx1)
Turbo speed: blue & black wire
High speed: blue & white wire
Low speed: blue & gray wire
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1000)
1. Disconnect sensor connector from micom
computer board.
2. Measure resistance terminal to terminal (ohm
meter scale: R X 1000)
1.Remove lead wires.
2.Measure resistance.
(ohm meter scale: Rx1000)
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RESULTS
Normal:
Approximately
Turbo speed: 20 to 30 ohms
High speed: 40 to 50 ohms
Low speed: 45 to 55 ohms
Normal: Approximately
2.0 to 3.0 Kohms
Abnormal:
Infinite or several.
Normal:
Approximately
BK-RD: 6.0 Kohms
RD-WH: 3.0 Kohms
BK-WH: 3.0 Kohms
Abnormal:
Infinite or approx. 0 ohm
Normal:
Approximately 120 to 135 ohms
Abnormal: Infinite