LG LMHM2017ST Service Manual

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COMPONENTS TEST 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
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)
VENTILATION MOTOR
TURNTABLE MOTOR
1. Disconnect sensor connector from micom
computer board.
2. Measure resistance terminal to terminal (ohm
meter scale: R X 1000)
ABSOLUTE HUMIDITY
SENSOR
1.Remove lead wires.
2.Measure resistance.
(ohm meter scale: Rx1000)
Normal:
Approximately 120 to 135 ohms
Abnormal: Infinite
STIRRER MOTOR
1. Remove lead wires.
2. Measure resistance.
(ohm meter scale: Rx1)
Normal:
Approximately
25 to 35 ohms
Abnormal: Infinite
CIRCULATION MOTOR
1. Remove lead wires.
2. Measure resistance.
(ohm meter scale: Rx1)
Normal:
Approximately
25 to 35 ohms
Abnormal: Infinite
HEATER

LG LMHM2017ST Specifications

General

Brand	LG
Model	LMHM2017ST
Category	Microwave Oven
Language	English