If the earth line is disconnected or faulty, unit failure or
electric shock hazard may result.
It could collapse or fall, causing injury.
AFTER SALES SERVICE AND WARRANTY
! " # $ ! % & ' & & " ( # $ ) ) $ * $ ( ! +
, - . / 0 / , - 1 2 3 0 1 2 4 , 5 5 , 6 / - 7 8 , / - 0 9
sDo the batteries need replacement?
sIs the polarity of the inserted batteries correct?
sIs the fuse all right?
sIs the voltage extremely high or low?
sIs the circuit breaker “ON”?
sIs the power plug inserted?
sDo you have any power cut?
sIs the air filter blocked with dust?
sIs the set temperature suitable?
sHave horizontal air deflectors been adjusted to their correct
positions according to the operation mode selected?
sAre the air inlets or air outlets of indoor and outdoor units
blocked?
sIs the fan speed “LOW”or “SILENT”?
When it does not operate.
Wh
en it does not cool well.
When it does not heat well.
If the remote controller is not
transmitting a signal.
(Remote controller display is
dim or blank.)
The following phenomena do not indicate unit failure.
<Operation start>
The unit is preparing to blow warm air. Please wait.
<In operation>
The outdoor unit is defrosting. Please wait.
Refrigerant flow noise in the pipe or valve sound generated when flow rate is
adjusted.
Noise generated when the unit expands or contracts due to temperature changes.
Noise generated with the indoor unit fan’s rpm changing such as operation start
times.
Noise of the motorized valve when the unit is switched on.
During heating, the operation
indicator blinks and air blow stops
Hissing or fizzy sounds
Squeaking noise
Rustling noise
Clicking noise
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