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Troubleshooting
Warning!
z In case of abnormal conditions (such as unpleasant smell), stop the unit and turn off the general power
supply immediately, and then contact the service center. Keep on operating after abnormal conditions
occur may cause damage to the air-conditioning unit and the accident of electric shock or fire.
z Do not repair the air-conditioning unit by yourself, as wrong repair may cause electric shock or fire.
Please contact the service center for repair by professional technicians.
● Before contacting service center, check the following items:
Trouble Cause Remedial Measures
Power cut
Restart the unit after power supply resumes
and the unit shall operate
Batteries of remote controller are weak Replace with new batteries
Unit does not run at all
The control distance is too far for the
remote controller
The distance shall be within 8m
Unit operates for a
while and then stops
immediately
Air inlet or air outlet of indoor unit or
outdoor unit is blocked
Remove the obstacles
Air inlet or air outlet of indoor unit or
outdoor unit is blocked
Remove the obstacles
Temperature setting is improper
Adjust the setting of remote controller or wire
controller
Air speed is set too low
Adjust the setting of remote controller or wire
controller
Air supply direction is wrong
Adjust the setting of remote controller or wire
controller
Door or window is open Close door or window
Under direct sunshine Hang curtain or blinders before the window
Too many people inside the room --
Abnormal cooling or
heating
Too many heat sources indoors Reduce heat sources
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