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11
ENGLISH
Symptom
Symptom
Check
Check
Heating/Cooling operation is not working
effi ciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the fi lters.
• Clear any obstruction at the air inlet and air outlet vents.
Heating mode cannot be operated. • The unit is forced to operate at cooling mode only in a non-living room,
such as a computer room.
Noisy during operation. • Check if the unit has been installed at an incline or the intake grille is not
closed properly.
Remote control does not work.
(Wireless remote control display is dim or
transmission signal is weak.)
• Insert the batteries correctly.
• Replace weak batteries.
The unit does not work. • Check if the circuit breaker is tripped.
• Check if timers have been set.
The unit does not receive the signal from the
remote control.
• 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 fl uorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
Check the following before calling for servicing.
Check the following before calling for servicing.
FOR SEASONAL INSPECTION AFTER EXTENDED
FOR SEASONAL INSPECTION AFTER EXTENDED
NON-USE
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
NON SERVICEABLE CRITERIAS
NON SERVICEABLE CRITERIAS
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.
FOR EXTENDED NON-USE
FOR EXTENDED NON-USE
• 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).
If the CHECK indicator fl ashes on the wired
remote control.
• Turn off the unit.
• 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.
“
“
CHECK”
CHECK”
Display on Wired Remote Control.
Display on Wired Remote Control.