7-14
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)
Terminal : Red and Yellow.
Terminal : Red and Brown.
Normal: Approximately
Terminal : 12 to 16 ohms
Terminal : 9 to 13 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
A
C
A
B
Summary of Contents for LMVM2277ST
Page 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM ...
Page 40: ......
