Cornelius SID650A/80 - Manual (Page 25)

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YES NO
2.B COMPRESSOR INOPERATIVE
IS
LINE VOLTAGE
WITHIN 10%
OF NAMEPLATE
VOLTAGE?
CHECK VOLTAGE
PROBLEMS IN 1 .
IS
THERMAL
PROTECTOR
OPEN?
IS
CONTACTOR
PULLED
IN?
IS
COMPRESSOR
BODY
COLD?
REPLACE
THERMAL
PROTECTOR.
IS
120V.
PRESENT AT
CONTACTOR
COIL
TERMINAL?
REPLACE CONTACTOR.
NO
YES
NO YES
YES
NO
YES NO
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.
1. CHECK FOR LOOSE OR BROKEN
WIRING CONNECTION IN CONTROL
CIRCUIT.
2. GO TO 2.A