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BluCube Installation and Maintenance Manual 7222094 V1.12.0_04_2016
Troubleshooting
FAULT
POSSIBLE CAUSE
REMEDY/ACTION
CRITICAL ALARMS:
Aux. Alarm
Auxiliary Trip.
Check operation of customer-added
alarm function.
Outdoor Fan Fault
Fan Trip.
Check and (if necessary) replace fan.
Coil Sensor Fault
Faulty Sensor.
Replace sensor.
No Cooling/Heating
Compressor Protection Delay.
Wait for a maximum of 10 minutes
then re check.
Unit Will Not Start
No power.
Check power supply to the controller.
Wired incorrectly.
Check wire connections in
accordance with wiring diagram on
control box lid.
Loose wires.
Check all wires, connections,
terminals etc.
Compressor not operating
No power to compressor.
Check isolator, fuses, MCBs,
contactor and control circuit wiring.
Low pressure switch operated (if
fitted) (large or complete loss of
refrigerant charge).
Repair leak and recharge system
- if completely out evacuate before
charging.
Condenser fan thermal trip open
circuit.
Investigate and correct.
Seized compressor.
Replace compressor - investigate oil
trapping and general installation.
Defective compressor motor.
Check winding resistances - replace
compressor. If burnt out follow burn
out procedure using suction line
burn-out drier.
Condensing Unit
BluCube™
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Summary of Contents for BluCube CUR092V16-1CO-0
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