Troubleshooting
Page
2
9
When any malfunction of the air conditioner unit is identified, immediately switch off the
supply to the unit. Check for the following fault conditions and causes for some simple
troubleshooting tips.
FAULT
POSSIBLE CAUSES
The compressor does not
operate
Power failure or communication bus failure
"ERR CODE" display on controller
Compressor frequent cut in/
cut out
Module in pre-heat condition
Wrong controller setting
Insufficient refrigerant
Low water flow
Compressor noise
Power failure or wrong phase sequence
Refrigerant flow back
Compressor mechanical part failure
Insufficient cooling
Insufficient refrigerant
Low water flow
Condenser coil blocked / dirty
Wrong TXV setting
Strainer chocked
Suction tube freeze
Low refrigerant flow
Water system choked / air trap
High Condenser pressure
Refrigerant over-charged
Ambient temperature too high
Non condensable gas exist in the circuit (example: air)
Condenser coil blocked / dirty
Low condenser pressure
Insufficient refrigerant
Not enough compression or no compression
(compressor faulty)
High Suction pressure
Refrigerant over-charged
Entering water temperature too high
Leakage of 4-way valve
Wrong TXV setting
Low suction pressure
Insufficient refrigerant
Entering water temperature too low
Expansion device choked
TXV faulty
If the fault persists, please call your local dealer / service personnel.
Summary of Contents for FCA 201
Page 1: ...Ref S FR 266 11 19 Models FCA 201 601 AIR COOLED MODULAR CHILLER ...
Page 6: ...Page 5 Operating Range Cooling ...
Page 7: ...System Schematic Diagram Page 6 Model FCA201 301 401 501 601 ...
Page 17: ...Dimensions Page 16 Model FCA201 301 Model FCA401 ...
Page 18: ...Page 17 Model FCA501 601 ...
Page 25: ...Page 24 FCA201 301 401 501 601 Maintenance Maintenance ...
