Troubleshooting
WARNING!
1. In the event of abnormal conditions(like, stinky smell), please shut off the main power
supply immediately and then contact the appointed service center, otherwise the
continuous abnormal running would damage the air conditioning unit and also would
cause electric shock or fire hazard etc..
2. Do not repair the air conditioning personally but instead contact the professionally skilled
personnel at the appointed service center, as the incorrect repair would cause electric
shock or fire hazard etc..
Check before Contacting Service Center
Please check the following items before contacting the maintenance serviceman.
Table 16
Conditions
The unit does not
run
The unit stops
soon after it starts
Cooling/Heating is
abnormal
Causes
Broken fuse or opened breaker
Power off
Power supply plug is loose
Insufficient batteries voltage of the
remote controller
Remote controller out of the control
scope
Clogged inlet/outlet of the indoor/
outdoor unit
Clogged inlet/outlet of the indoor/
outdoor unit
Improperly set temperature
Too low set fan speed
Improper airflow direction
Opened door and window
Direct sunlight
Too much people in the room
Too much heat sources in the room Reduce the heat sources
Dirty filter screen
Change the fuse or close the
breaker
Restart the unit when power on
Plug the power supply properly
Change new batteries
Keep the control distance within 8
meters
Clear the obstacle
Clear the obstacle
Adjust the setting of the remote or
wired controller
Adjust the setting of the remote or
wired controller
Adjust the setting of the remote or
wired controller
Close the door and window
Hang a curtain or blinds over the
window
Clean the filter screen
62
Corrective Actions