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 TM 9-4120-428-14
0010 00
MALFUNCTION 2
EVAPORATOR FAN DOES NOT START OR STOP DURING OPERATION.
SYMPTOM
Conditioned evaporator air fan does not start or stop during operations in any mode.
MALFUNCTION
The evaporator fan motor is not operating.
CORRECTIVE ACTION
Test the motor and replace if defective. (WP 0050 00).
The MODE SELECTOR switch is not operating properly.
CORRECTIVE ACTION
Test the switch and replace if defective. (WP 0032 00).
The electrical connections and wiring are damaged or missing.
CORRECTIVE ACTION
Tighten or replace connectors and repair or replace any damaged wires.
The fan shows signs of binding.
CORRECTIVE ACTION
Relieve the binding or replace the fan as necessary. (WP 0050 00).
MALFUNCTION 3
CONDENSER FAN FAILS TO OPERATE
SYMPTOM
The condenser fan will not operate.
MALFUNCTION
The condenser fan motor fails to operate.
CORRECTIVE ACTION
Test the motor and replace if necessary. (WP 0053 00).
Electrical connections and wiring are loose or damaged.
CORRECTIVE ACTION
Tighten or replace connectors and repair or replace any damaged wires.
The fans show signs of binding.
CORRECTIVE ACTION
Relieve the binding or replace the fan as necessary. (WP 0053 00).
CORRECTIVE ACTION
Replace relay if necessary. (WP 0041 00).
(Three-phase units only) The phase sequence relay is not operating properly.
CORRECTIVE ACTION
Replace relay if necessary. (WP 0039 00).
0010 00-2
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