Maytag MMV6178AAB Service Manual page 30

COMPONENTS
FAN MOTOR
DAMPER MOTOR
CIRCULATION
MOTOR
VENTILATION MOTOR
SYNCHRONOUS
MOTOR
THERMISTOR
TEST PROCEDURES
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1)
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1)
1. Remove wire leads.
2. Measure resistance.
(ohm meter scale: Rx1000)
1. Remove the connector from PCB.
2. Measure resistance across pins 1 & 3.
(ohm meter scale: Rx1)
Normal:
Approximately
35-55
ohm
Abnormal:
Infinite or several.
Normal:
Approximately 25 to 45 ohm
Normal:
Approximately 3 to 4 Kohm
Abnormal:
Infinite or several.
Normal:
Approximately
250 to 350 Kohm at 68 ± 35°F
Abnormal:
Infinite or several.
7-18
RESULTS
Fan Damper
2.5-3.5
Kohm
Cir
25-40
ohm