14
Before calling for service, please review the following list of common problems and solutions.
The temperature setting is too high
or too low.
Air conditioner
does not
cool or
heat well
Air conditioner
does not
cool or
heat at all
The air filter is clogged with dust
Doors or windows are open
The air inlet or outlet of the outdoor
unit is blocked
The air inlet or outlet of the outdoor
unit is blocked
Clear up the block first, then begin to
operate.
Close the doors or windows
Clear up the block
Clean the filter
Set a more comfortable temperature.
Wait or cancel timer setting
Change the batteries.
Solutions
Possible Cause
Problem
Air conditioner
does not
operate at all
The timer is set.
The batteries of the remote control are exhausted
Power failure
The power supply is disconnected.
The power fuse is blown.
Three-minute protection feature
Unappropriated temperature setting
Wait for a while
Set the temperature properly
Wait for power restoring
Switch on the main power switch
Change the fuse
If you still cannot solve the problem after trying the above, pull out the power plug and call the dealer.
TROUBLESHOOTING TIPS
The following displays indicate an error or problem:
What to do
Display
code
Number Problems
2
3
4
5
E2 E3 E4
E5 Ed
P0
Temperature Sensor is off or
short-circuit.
Contact service people
Contact service people
Outdoor unit protection or malfunction
The temperature of the indoor unit
evaporator is too low or high ,and
a compressor protectione feature
is automatically activated.
Turn off the unit, clean the air filter,
then restart the unit. If this operation
does not work, please contact service
people.
1
E1
Communication between indoor and
outdoor units failure
Contact service people
P9
Anti-cold air function happens/
Defrosting starts.
When the temperature is warm enough,
the function stops automatically./The
unit will aut restart after finishing the
defrosting and the temperature of
indoor Heat Exchanger raises.
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