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Flex + Series
24
12 Troubleshooting
WAR N I N G
1) In the event of abnormal conditions (like, stinky smell), please shut off the power supply immediately
and then contact the appointed service center; otherwise, the abnormal running would damage the air
conditioner and also would cause electric shock or fire hazard .
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.
12.1 Check before Contacting Service Center
Please check the following items before contacting the maintenance serviceman.
Conditions Causes Corrective actions
The unit does not
run at all
Broken fuse or breaker is off
Replace the damaged fuse or
close the breaker
Power off
Restart the unit after power
supply resumes
Power supply plug is loose Plug the power supply properly
The batteries voltage of the remote
controller is insufficient
Replace with new batteries
Remote controller is out of the control
scope
The distance shall be within 8m
The unit stops
soon after it starts
Air inlet or outlet of indoor unit or
outdoor unit is blocked
Remove the obstacles
Cooling or heating
is abnormal
Air inlet or 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
Improper airflow direction
Adjust the setting of remote
controller or wire controller
Door or window is open Close the door or window
Under direct sunshine
Hang curtain or blinders over the
window
Too many people in the room
Too many heat sources indoors Reduce the heat sources
The filter screen is dirt or blocked Clean the filter screen
NOTICE! If the air conditioner still runs abnormally after the above check and handling,
please contact the local appointed service center and also give a description of the error
occurred as well as the model of the unit.
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