23
7 Troubleshooting
Warning!
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power switch immediately and then contact the service center. If the abnormal state continues, the
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the conditioner.
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Phenomena
Causes
Remedial Measures
Air conditioner
doesn’t run at all
The fuse or breaker is broken
Change the fuse or close the breaker
Power failure
Restart when power supply is restored
Power supply does not connect through
Connect the power well
Low-voltage batteries
Replace the batteries
The wireless remote controller is
beyond the remote control range.
The controller should be put within the control
range
Air conditioner
starts but
then stops
immediately
Blockage in the inlet or outlet vent of
the indoor or outdoor unit
Clean away the blockage
Abnormal
cooling or
heating
Blockage in the inlet or outlet vent of
the indoor or outdoor unit
Clean away the blockage
Improper tempeature setting
Adjust the settings in wireless remote controller
Low fan speed
Adjust the settings in wireless remote controller
Incorrect wind direction
Adjust the settings in wireless remote controller
Door or window opened
Close the door or window
Direct sunlight
Hang the curtain or jalousie before windows
Too many people in the room
Too many heat source in the room
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phenomena and unit model.