For Seasonal Inspection After Extended Non-Use, English

Symptom	Check

Heating/Cooling operation is not working	•	Set the temperature correctly.
efﬁciently.	•	Close all doors and windows.
	•	Clean or replace the ﬁlters.
	•	Clear any obstruction at the air inlet and air outlet vents.

ENGLISH

Heating mode cannot be operated.

Noisy during operation.

Remote control does not work.

(Wireless remote control display is dim or transmission signal is weak.)

The unit does not work.

The unit does not receive the signal from the remote control.

•The unit is forced to operate at cooling mode only in a non-living room, such as a computer room.

•Check if the unit has been installed at an incline or the intake grille is not closed properly.

•Insert the batteries correctly.

•Replace weak batteries.

•Check if the circuit breaker is tripped.

•Check if timers have been set.

•Make sure the receiver not obstructed.

•Make sure the address is set correctly.

•Make sure the remote control signal transmission is within the range.

•Certain ﬂuorescent lights may interfere with signal transmitter. Please consult your nearest dealer.

If the CHECK indicator ﬂashes on the wired	• Turn off the unit.
remote control.	•	Turn on again after 3 minutes.
	•	If CHECK continues to blink, press	CHECK	for error messages. If problem
		persist, please consult your nearest authorized dealer.

FOR SEASONAL INSPECTION AFTER EXTENDED NON-USE

•Checking of remote control batteries (wireless remote control).

•No obstruction at air inlet and air outlet vents.

•After 15 minutes of operation, it is normal to have the following temperature difference between air inlet and air outlet vents:

Cooling: ≥ 8°C

Heating: ≥ 14°C

•Activate heat mode (Inverter/Heat-pump model) or Fan mode (Cooling model) for 2~3 hours to remove moisture left in the internal parts thoroughly.

•Turn off the power supply.

•Remove the remote control batteries (wireless remote control).

TURN OFF POWER SUPPLY then CALL Authorized Distributor under the following conditions:

•Abnormal noise during operation.

•Water/foreign particles have entered the remote control.

•Water leaks from Indoor unit.

•Circuit breaker switches off frequently.

•Power cord becomes unnaturally warm.

•Switches or buttons are not functioning properly.

•The odour persists even after odour wash operation is used continuously.