Haier HPU-42CF03 User Manual download pdf (Page 19)

When problems occur

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

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.

If the fuse on PC board is broken please change it with the type of T3.15A/250VAC.

Air conditioner won't start.

Is power supply switch

turned on?

Power supply

switch is not set

at ON.

Are operation controlls

adjusted correctly

as specified?

Are horizontal louvers

at up position (in

heating mode)?

Is there any direct sunlight

in the room?

Poor cooling or heating

Poor cooling

Is city power supply normal?

Is air filter too dirty?

Any doors or windows left

open?

If there are unexpected heat

sources in the room?

Are there any obstacles at inlet

or outlet grill?

Too many people in the room?

Is leakage current breaker

activated?

This is very dangerous, please

disconnect power supply

immediately and contact your

dealer.

Proper

temp

Power

failure?

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Haier HPU-42CF03 User Manual Page 19

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