1
PLUG AND SOCKET
ARE LOOSE
RE-PLUGING THE
POWER SUPPLY CORD
AIR CONDITIONER
WON'T COOL
PROPERLY
AIR CONDITIONER
WON'T START
COMPRESSOR WON'T
START
TIMER FAILURE
CHANGE THE
PROTECTOR
RUNNING TEST
RE-CONNECTING
NO POWER
PROTECTOR FAILURE
USE OXYACETYLENE AND PLUS 5%
SILVER SOLDER TO WELD THE
CRACKED POINTS
WIRING IS LOOSE
CAPACITOR FAILURE
CHANGE THE SWITCH
CHANGE THE
CAPACITOR
TESTING BY
ELECTROSCOPE
POWER TRIPPED
CHECK THE POWER
SWITCH
REFRIGERANT
LEAKAGE
TROUBLE SHOOTING
THE SYSTEM
RUNNING THE VACUUM
EVACUATION FOR MORE
THAN 15 MINUTES
CHANGE COOLANT AND
PROCEED RUNNING TEST
CHANGE THE AIR CONDITIONER WITH 15KG/CM
2
NITROGEN GAS FROM LOW-PRESSURE SIDE AND
DETECT THE LEAKING POINT BY SOAP
Please follow these instructions carefully:
Unplug the unit to avoid any danger from electric shock before disassembling the unit for
repair.
If there is any sound of the refrigerant circulating when in operation, avoid touching the
cooling coils.
If you need to perform any welding or soldering, be sure you are in a well ventilated area.
Only a qualified professional should perform any welding on the unit.
When repairing the unit, the specifications listed in this manual must be strictly adhered
to when replacing any components.
When replacing any electrical components they should be factory approved units.
Be sure that any electrical components are properly wired and in place.
FLOW CHART FOR INSPECTING AND REPAIRING THE UNIT
IMPORTANT POINTS ON SERVICE OPERATING SAFETY
