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Trouble Check Action
Air conditioner does
not operate
Is there power?
Is it plugged in? Push the plug into the wall socket
Is the fuse or circuit breaker switch off? Change the fuse or reset breaker
Is timer on? Pres TIMER button
Cooling effi ciency
is not good
Is air inlet or outlet blocked? Clear the air path
Is there any other heat source in the room? Move the unit away from heat source
Are air fi lters dirty? Clean the air fi lter
Is SET TEMP suitable? Set to a suitable temperature
Is indoor fan speed set at low? Set to a suitable fan speed
Too much noise and
vibration
Is the sound part of the refrigeration cycle? The sound may be normal
Is unit leveled? Move unit to a level location
The machine starts
and stops frequently
Is the voltage of the power source correct and continuous? Repair the power source
Is the air exhaust bent? Try to keep the air exhaust horizontal
In case of major malfunction, disconnect power immediately and call for service.
!
WARNING
Troubleshooting
Before seeking repair or service, please check the following fi rst: