12
Troubleshooting
Condition
Check Item
Corrective Action
Doesn't
operate
Is plug firmly inserted?
Is fuse burned out?
Is there power failure?
Restore power or replace
fuse.
No cool air or
poor cooling
Is thermostat switch
incorrectly adjusted?
Adjust the thermostat.
Is there direct sunlight
into the room?
Use curtain or blinds.
Is mode selection switch
set to fan mode?
Are doors or windows left
open?
Shut doors and windows.
Is there any obstacle
blocking air inlet or outlet?
Remove the obstacle.
Is the fresh air knob
shifted to the right?
Is there a strong heat
source in the room?
Is air filter clogged?
Remove and clean.
If problems cannot be solved, please pull out power plug and contact your
dealer.
Close vent by shifting
knob to the left.
Remove or turn off the
heat source.
