13
ENGLISH
Symptom
Check
Heating/Cooling operation is not working
ef
Þ
ciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the
Þ
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
ß
uorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
The unit stopped and TIMER indicator blinks.
• Turn OFF the power supply to reset the unit (TIMER indicator stop
blinking).
• Turn ON the power supply and restart the unit.
• If TIMER indicator blinks again, please consult your nearest dealer.
Check the following before calling for servicing.
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.
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11/23/2009 10:07:41 AM
