Haier HPU-48HJ03 When problems occur, Air conditioner wont start, Poor cooling or heating

Models: HPU-48CK03 HPU-48CJ03 HPU-48HJ03 HPU-42HH03 HPU-48HK03 HPU-42HI03 HPU-42CH03

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 When problems occur

Air conditioner won't start.Poor cooling or heating When problems occur

Before asking services, please firstly check your unit according to following.

Air conditioner won't start.

Is power supply switch

Is city power supply normal?

turned on?

 

Power supply

Power

failure?

switch is not set

 

at ON.

 

Is leakage current breaker activated?

This is very dangerous, please disconnect power supply immediately and contact your dealer.

Poor cooling or heating

Are operation controlls

Is air filter too dirty?

adjusted correctly

 

as specified?

 

Proper

 

temp

 

Are there any obstacles at inlet or outlet grill?

Are horizontal louvers at up position (in heating mode)?

Any doors or windows left open?

Poor cooling

Is there any direct sunlight in the room?

If there are unexpected heat

Too many people in the room?

sources 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.

Poor cooling Fuses or circuit breakers often blow out.

Manual background Water comes out in cooling/dry operation.

Manual background Operation is abnormal or sound is heard.

If the fuse on PC board is broken please change it with the type of T6.3A/250VAC.

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Haier HPU-48HJ03, HPU-42CH03, HPU-42HI03 When problems occur, Air conditioner wont start, Poor cooling or heating