LG LMV1651SW Service Manual page 28

COMPONENTS
CAPACITOR
DIODE
Some inexpensive ohm
meters may indicate infinite
resistance in both directions.
RELAY 7
FAN MOTOR
TEST
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)
1. Measure continuity.
(ohm meter scale: Rx1)
2. Remove the lead wires and operate oven at
power level 1 through power level 10.
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1)
B
C
7-16
Normal:
Momently indicates
several ohm, and then
gradually returns to infinite
Normal: Infinite.
Normal:Continuity.
Abnormal: Infinite.
Normal: Infinite.
Abnormal: Continuity.
Power
Level
1
2
3
4
5
6
7
8
9
10
Normal: Approximately
Terminal
Terminal
Abnormal:
Infinite or several.
A
RESULTS
Open Close
4 Sec 18 Sec
6 Sec 16 Sec
14 Sec
8 Sec
12 Sec
10 Sec
10 Sec
12 Sec
14 Sec 8 Sec
16 Sec 6 Sec
18 Sec 4 Sec
20 Sec 2 Sec
22 Sec 0 Sec
: 85 to 105 ohms
A C
: 15 to 25 ohms
A B