Viper Service Manual
© 2008-2016, Cornelius Inc.
- 67 -
Publication Number: 621260373SER
Compressor Running
but not Cooling
A. Low refrigerant.
B. Restricted condenser/filter.
C. Condenser fan motor/blade defec-
tive.
D. Hot gas valve leaking or open.
E. Defective compressor.
A. Repair leak and weigh in new
charge.
B. Clean or repair.
C. Repair or replace.
D. Replace.
E. Repair or replace.
Restricted Air Flow
A. Dirty filter.
B. Dirty condenser.
C. Damaged fins.
D. Not enough “clearance” around
unit.
A. Clean filter.
B. Clean condenser.
C. Repair/replace if necessary.
D. Ensure proper spacing around
unit.
Fan Motor
A. Bad connection
B. Bad motor
C. Cracked or bent fan blade
A. Check/connect
B. Replace motor
C. Replace fan blade
Hot Gas Valve
A. Miswired.
B. Defective coil.
C. Defective product delivery board.
A. Correct wiring.
B. Replace coil.
C. Replace.
No/Low Refrigerant
A. Leak.
A. Repair and weigh in new charge.
Sensors
A. Bad connection.
B. Bad sensor.
C. Sensor out of position.
D. Defective product delivery board.
A. Correct wiring.
B. Replace sensor.
C. Reposition sensor and clip.
D. Replace.