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8. TROUBLESHOOTING
(I) Make sure that electric power is coming to the unit.
AIR CONDITIONER
WON'T START
AIR CONDITIONER
WON'T COOL PROPELY
USE OXYACETYLENE AND PLUS 5% SILVER
SOLDER TO WELD THE CRACKED POINTS
RUNNING TEST
PROBLEM
The air conditioner doesn't work
The air conditioner works for short
period only
The air conditioner switches are off
constantly
The air conditioner works but it does
not cool the room
The appliance is very noise and
vibrates violently
NO POWER
POWER TRIPPED
PLUG AND SOCKET
TIMER FAILURE
COMPRESSOR
WON'T START
WIRING IS LOOSE
REFRIGERANT
LEAKAGE
TROUBLE SHOOTING
RUNNING THE VACUUM EVACUATION
POSSIBLE CAUSE
-There is a power failure
-The plug is not connected
-The timer is unable to work
-The main switch has not been pressed
-The set temperature is too close to the
room's temperature
-There is something blocking the
suction vent on the back of condenser
-The fan on the condenser is blocked
-Malfunction
-There is a window opened
-There is a source of heat operating in
the room
(burner, lamp, etc.), or the room is
crowded
-The air filter is clogged
-The capacity of the air conditioner is
not suitable for the conditions or size
of the room
-The evaporator is frozen
-The compressor blocking device has
been loosen or the copper pipe is
getting in touch with the body of the
set
POWER SWITCH
RE-PLUGING THE
ARE LOOSE
POWER SUPPLY CORD
ELECTROSCOPE
PROTECTOR
CHANGE THE
FAILURE
CAPACITOR
CHANGE THE
FAILURE
RE-CONNECTING
CHANGE THE AIR CONDITIONER WITH 15KG/CM
NITROGEN GAS FROM LOW-PRESSURE SIDE
THE SYSTEM
AND DETECT THE LEAKING POINT BY SOAP
FOR MORE THAN 15 MINUTES
7
CHECK THE
TESTING BY
CHANGE THE
PROTECTOR
CAPACITOR
CHANGE COOLANT AND
PROCEED RUNNING TEST
REMEDIES
-Wait for the power return
-Connect the plug
-Provide repairment
-Press the main switch
-Decrease the setting temperature
-Remove any obstacles
-Provide repairment
-Turn off the appliance remove the plug
and contact the service center
-Close the window
-Remove/switch off the source of heat
-Decrease the set temperature
-Clean the filter
-Clean the air filter
-Change the purifier filter, if necessary
-Do not make the appliance operating at
too low temperature (below 72˚F (22˚C)
-Provide repairment
SWITCH
2
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