GE JVM1790SK Service Manual - Page 29
Stirrer Motor
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UPC - 084691123453
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COMPONENTS FAN MOTOR (F.M) CIRCULATION MOTOR (C.M) TEST PROCEDURES 1. Remove wire leads. 2. Measure resistance. (ohm meter scale: Rx1) VENTILATION MOTOR 1. Remove wire leads. 2. Measure resistance. (ohm meter scale: Rx1) RESULTS Normal: Approximately F.M C.M 35-55 ohm 20-35 ohm ohm Abnormal: Infinite or several. High (Black-Blue) 35-45 ohm Medium (White-Blue) 50-60 ohm Slow (Gray-Blue) 75-90 ohm DAMPER MOTOR (D.M) TURNTABLE MOTOR (T.M) STIRRER MOTOR (S.M) 1. Remove wire leads. 2. Measure resistance. (ohm meter scale: Rx1000) Normal: Approximately D.M 2.3-3.5 Kohm T.M 2.6-3.5 Kohm Abnormal: Infinite or several. S.M 100-170 Kohm THERMISTOR 1. Remove the connector from PCB. 2. Measure resistance across pins 1 & 3. (ohm meter scale: Rx1) Normal: Approximately 250 to 350 Kohm at 68 ± 35°F Abnormal: Infinite or several. 7-18
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