18
TROUBLESHOOTING TIPS
Before calling for service, please review the following list of common problems and solutions.
Problem
Possible Cause
Solutions
Air conditioner
does not
operate at all
Power failure
Wait for power restoring
The power supply is disconnected.
Switch on the main power switch
The power fuse is blown.
Change the fuse
The timer is set.
Wait or cancel timer setting
The batteries of the remote control are
exhausted
Change the batteries.
Air conditioner
does not cool
or heat well
The temperature setting is too high or too low. Set a more comfortable temperature.
The air filter is clogged with dust
Clean the filter
The air inlet or outlet of the outdoor unit is
blocked
Clear up the block
Doors or windows are open
Close the doors or windows
Air conditioner
does not cool
or heat at all
The air inlet or outlet of the outdoor unit is
blocked
Clear up the block first, and then begin to
operate.
Three-minute protection feature
Wait for a while
Inappropriate temperature setting
Set the temperature properly
If you still cannot solve the problem after trying the above, pull out the power plug and call the dealer.
