Haier AU182AFNBA Air Conditioner User Manual


 
Trouble Shooting
Before asking for service, check the following first.
Cause or check
Normal
Performanc
e
Smells are
Mist or steam are blown
Multiple 
check
Is power plug inserted?
Is there a power failure?
Is fuse blown out?
Poor
Phenomenon
When unit is stopped, it won't restart
immediately until 3 minutes have elapsed 
to protect the system.
When the electric plug is pulled out and
reinserted, the protection circuit will work
for 3 minutes to protect the air conditioner.
Noise is heard.
The system does not restart
immediately.
During unit operation or at stop, a swishing 
or gurgling noise may be heard. At first 2-3 
minutes after unit start, this noise is more 
noticeable. (This noise is generated by 
refrigerant flowing in the system.)
During unit operation, a cracking noise may 
be heard. This noise is generated by the 
casing expanding or shrinking because of 
temperature changes.
Should there be a big noise from air flow in 
unit operation, air filter may be too dirty.
This is because the system circulates smells 
from the interior air such as the smell of 
furniture, cigarettes.
During COOL or DRY operation, indoor unit 
may blow out mist. This is due to the sudden
cooling of indoor air.
Does not work at all.
Is the air filter dirty? Normally it should be 
cleaned every 15 days.
Are there any obstacles before inlet and outlet?
Is temperature set correctly?
Are there some doors or windows left open?
Is there any direct sunlight through the 
window during the cooling operation?(Use
curtain)
Are there too much heat sources or too many
people in the room during cooling operation?