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The breaker trips at once when it is set to
"ON".
Measure insulation resistance to grou
nd to see
if there is any leakage.
Trip of breaker or blow
of fuse
The breaker trips in few
minutes
when it is set to "ON"
Check power supply circuit.
Check if the plug is properly plugged in
and make the loose contact firm.
Change controller fuse
Check remote controller
Change batteries
Power voltage is too low
Remote controller malfunction
Receiver is broken
Controller is broken
Receiver loose or poor connection
No power
Fuse of controller burnt out
Remote controller is short of power
Power plug is not well plugged in and poor
connection
Fasten the wiring; measure the output
voltage of the transformer, if it is
incorrect, change the transformer
The air conditioner
does not react after
it is powered ( after
the plug is inserted,
the buzzer does
not sound and the
remote startup has
no response)
The remote contro-
ller signals (after it is
powered, the buzzer
will sound, unless it
has malfunction)
The circuit or the part of the air conditioner has
malfunction. They heat and break the insulation
and lead to short circuit or creepage. Measure
the insulation resistance or eliminate the malfunc-
tion one by one. If the breaker itself has
malfunction, then replace the breaker.
The transformer connection is loose or has
bad contact or the transformer has
malfunction
First, press the manual switch button
AUTO,if there is no response,check
based on the above methods. If it runs
normally after p
ressing the button,check
again whether the installation position
and the connection wire of the reception
head is correct. If it is correct,then repla-
ce the receiver or the remote controller.
Check the voltage. If it is lower than 10% of the rated
voltage, check the
cause, improve the power supply
condition and add the stabilized voltage
power supply.
Air conditioner can not start up
Troubleshooting
45