Haier HPU-44H03 User Manual - Page 23

When problems occur?

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When problems occur? Before ask for services, please first check your unit against following. Is power supply switch turned on? Air conditioner won't start. Is city power supply normal? Is leakage current breaker activated? Power supply switch is not set at ON. Are operation controlls adjusted correctly as specified? Power failure? This is very dangerous, please disconnect power supply immediately and contact your dealer. Poor cooling or heating Is air filter too dirty? Are there any obstacles at inlet or outlet grill? Proper temp Are horizontal louvers at up position (in heating mode)? Any doors or windows left open? Poor cooling Is there any direct sunlight If there are unexpected heat Too many people in the room? 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. 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 50F.3.15A/250V. 21

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When problems occur?
21
Before ask for services, please first check your unit against following.
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.
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.
Proper
temp
Power
failure?
If the fuse on PC board is broken please change it with the type
of 50F.3.15A/250V.