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Followings are not problems
Sound of water flowing is not a problem.
Sound of cracking is heard.
Smell are generated.
During operation, white fog or steam
comes out from the indoor unit.
No outlet air or fan speed can't be changed
in dry mode.
In cooling operation, unit switches to
blowing operation.
Won't start?
In heating operation, water or steam
are blown out of outdoor unit.
In heating operation, indoor fan won't stop
even if unit is stopped.
During unit operation or at stop, a swishing or gurgling noise may be heard.
This noise is generated by refrigerant flowing in the system.
Unit will not restart after stop.
During unit operation, a cracking noise may be heard.
This noise is generated by the casing expanding or shrinking because of
temperature changes.
This is because the system circulates smells from the interior air such as
the smell of cigarettes or the painting on the furniture.
When unit is running at places like restaurant, etc. where dense edible oil
fumes always exist, this will happen.
To prevent frost from accumulating on indoor heat exchanger, unit will switch
to blowing operation for a while then resume cooling operation.
Though ON/OFF button is set to ON, the unit won't
resume cooling, dry or heating operation in 3 min
after it is stopped, this is because of
3-min-delay protection circuit.
Please wait 3 minutes
Unit will reduce fan speed repeatedly and automatically if room temp. is
too low in dry operation.
This occurs when frost accumulated on the outdoor unit is removed (during
defrosting operation).
After unit stop, indoor fan will go on running until indoor unit cools down.
Before ask for services, please first check your unit against the following.
Troubleshooting
9
Air conditioner won't start.
Poor cooling or heating
Is power supply switch turned on?
Power supply switch is not set at ON.
Is city power supply normal? Is leakage current breaker activated?
This is very dangerous, please
disconnect power supply immediately
and contact your dealer.
Are operation control adjusted
correctly as specified?
Is air filter too dirty? Are there any obstacles in inlet or
outlet grill?
Are horizontal louvers at up position
(in heating mode)?
Any doors or windows left open?
Power
failure?
Proper
temp