2.B COMPRESSOR INOPERATIVE
IS
LINE VOLTAGE
YESWITHIN ± 10%
OF NAMEPLATE
VOLTAGE?
IS
THERMALNO PROTECTOR
OPEN?
YES |
NO
IS
CONTACTOR
PULLED
IN?
NO
CHECK VOLTAGE PROBLEMS IN 1.
YES
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| IS |
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YES | COMPRESSOR | NO | |||
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| BODY |
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| COLD? |
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| REPLACE |
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| THERMAL |
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| PROTECTOR. |
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1.CHECK FOR LOOSE OR BROKEN WIRING CONNECTION IN COMPRESSOR POWER CIRCUIT.
2.CHECK CONTACTOR.
3.CHECK STARTING RELAY.
4.CHECK CAPACITOR(S).
5.CHECK COMPRESSOR MOTOR.
| IS |
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| 120V. |
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YES | PRESENT AT | NO |
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| CONTACTOR |
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| COIL |
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| TERMINAL? |
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REPLACE CONTACTOR.
1.CHECK FOR LOOSE OR BROKEN WIRING CONNECTION IN CONTROL CIRCUIT.
2.GO TO 2.A.
90914 | 22 |