ASCON Service Guide Book
86
Mini Chiller: Troubleshooting Guide
When any malfunction is occurred, immediately switch off the power supply to the unit, and contact
the local dealer, if necessary. Some simple troubleshooting tips are given below:
Symptoms Possible Causes Remedial Action
1. Compressor does not start
•
No power supply
•
Fuses blown or automatic
circuit breakdown open
•
Defective contactor or coil
•
Unit is stopped because a
safety has tripped
•
Loose wires
•
Compressor faulty
•
Check power supply
•
Look for short circuit or
grounded wires in motor
windings
Replace fuses and reset
circuit breakers when the
fault has been corrected
Check tightness and
soundness of all electrical
connection
•
Repair or replace
•
Determine the type of safety
shut down and correct the
unit is restarted
•
Check wire connection and
tighten terminal screw
•
Contact local dealer
2. Fan does not start
•
No power supply
•
Fan motor faulty
•
Check power supply
•
Contact local dealer
3. Air conditioning does work,
but insufficient cooling
•
Thermostat setting too high
•
Condenser coil dirty
•
Obstacle blocking air inlet or
outlet of the unit
•
Insufficient refrigerant in the
system
•
Improper water flow rate
•
Water in the system is
contaminated
•
Reset thermostat
•
Contact local dealer
•
Remove the obstacle
•
Contact local dealer
•
Contact local dealer
•
Contact local dealer
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