Haier AP48KS1ERA Manual De Funcionamiento Y Manual De Instalación página 14

Troubleshooting
Before asking services, please firstly check your unit according to following.
Is power supply switch turned on?
Power supply switch
is not set at ON.
Are operation controlls adjusted
correctly as specified?
Proper
temp
Are horizontal louvers at up position (in heating mode)?
Is there any direct sunlight in the room?
If your unit still can't work properly after above mentioned checks, or following problems occur, please stop it immediately
and contact your dealer.
Fuses or circuit breakers often blow out.
Water comes out in cooling/dry operation.
Operation is abnormal or sound is heard.
Air conditioner won't start.
Is city power supply normal?
Power
failure?
Poor cooling or heating
Is air filter too dirty?
Any doors or windows left open?
Poor cooling
If there are unexpected heat sources
in the room?
12
Is leakage current breaker activated?
This is very dangerous, please
disconnect power supply immediately
and contact your dealer.
Are there any obstacles at inlet or outlet
grill?
Too many people in the room?