14
8 Troubleshooting
Warning!
● Cut down the main power switch immediately if malfunction (such as smell the burning odor
etc.) happened, and then contact service center. If the abnormal state is maintained, the unit
may be damaged or electric shock or fire may be happened.
● Do not refit the conditioner. Please contact service center to repair or move the conditioner.
8.1 Check the following items before contacting maintenance center
Phenomena
Reason
Remedial Measures
Air conditioner doesn’t
run at all
Blow of fuse or breaker
Change fuse or close breaker
Power cut
Restart when there is power supply
Don’t connect with power
Connect power well
Low batteries of wireless remote
controller
Change new batteries
Wireless remote controller exceed
remote control area
Signal could be received within 8m
Air conditioner runs but
stops immediately
Blockage in inlet or outlet vent of indoor
or outdoor unit
Clean out blockage
Abnormal cooling or
heating
Blockage in inlet or outlet vent of indoor
or outdoor unit
Clean out blockage
Improper of temp. setting
Adjust settings in wireless remote
controller
Low setting of fan speed
Adjust settings in wireless remote
controller
Incorrect of wind direction
Adjust settings in wireless remote
controller
Door or window opened
Close
Direct sun burn
Hang curtain or jalousie before windows
Too many people in room
Too many heater in room
Filter blocked by dirt
Clean filter
Note: If problem still cannot found out after above checking, please contact service center and
instruct phenomena and model.