LG LMHM2017ST Service Manual

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COMPONENTS TEST RESULTS
Normal:
Momently indicates
several ohm, and then
gradually returns to infinite
Normal: Infinite.
Normal:Continuity.
Abnormal: Infinite.
Normal: Infinite.
Abnormal: Continuity.
1. Remove wire leads.
2. Measure resistance. (ohm meter scale: Rx1000)
• Terminal to terminal
• Terminal to case
1. Measure continuity. Forward.
(ohm meter scale: Rx1000)
2. Measure continuity. Reverse.
(ohm meter scale: Rx1000)
CAPACITOR
DIODE
Some inexpensive ohm
meters may indicate infinite
resistance in both directions.
1. Measure continuity.
(ohm meter scale: Rx1)
2. Remove the lead wires and operate oven at
power level 1 through power level 10.
RELAY 2
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1)
Normal: Approximately
Terminal : 35 to 50 ohms
Terminal : 5 to 15 ohms
Abnormal:
Infinite or several.
FAN MOTOR
A C
A B
Power
Level
Open
Close
1
2
3
4
5
6
7
8
9
10
4 Sec
6 Sec
8 Sec
10 Sec
12 Sec
14 Sec
16 Sec
18 Sec
20 Sec
22 Sec
18 Sec
16 Sec
14 Sec
12 Sec
10 Sec
8 Sec
6 Sec
4 Sec
2 Sec
0 Sec

LG LMHM2017ST Specifications

General

Brand	LG
Model	LMHM2017ST
Category	Microwave Oven
Language	English