Troubleshooting
When...
■
The remote control is missing or a malfunction has occurred
AUTO
OFF/ON
( Structure of the
unit may vary
depending on the
model)
1. Raise the front panel.
2. Press AUTO OFF/ON once to use in AUTO mode.
3. Press AUTO OFF/ON hold for 5 seconds until you hear 1 beep, then
release to use in forced COOL mode. (This operation shall be performed
by service personnel)
4. Press AUTO OFF/ON hold for 8 seconds until you hear 2 beep, then
release to use in forced HEAT mode. (This operation shall be performed
by service personnel)
5. Press AUTO OFF/ON again to turn off the unit.
■
The indicators are too bright
• To dim or restore the indicators’ brightness on the unit, press
on the remote for 5
seconds.
■
Conducting a seasonal inspection after extended period of non-use
• Check the batteries.
• Check that there is no obstruction around the air inlets and outlet vents.
• Use AUTO OFF/ON on the unit to select HEAT/COOL mode. For details, refer “The remote
control is missing or a malfunction has occurred” above. After 15 minutes of operation, it is
normal to have the following temperature difference between the air inlet and outlet vents:
HEAT :
≥
14 °C / 25.2 °F
COOL:
≥
8 °C / 14.4 °F
■
The units will not be used for an extended period
• Activate nanoe™ TECHNOLOGY mode for 2~3 hours to remove any moisture left in the
internal parts thoroughly. This is to prevent mould growth.
• Turn off the power supply and unplug the unit.
• Remove the batteries from the remote control.
NON SERVICEABLE CRITERIAS
TURN OFF THE POWER SUPPLY AND UNPLUG THE UNIT. Then consult an authorised
dealer in the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the remote control.
• Water is leaking from the indoor unit.
• The circuit breaker switches off frequently.
• The power cord becomes unnaturally warm.
• The switches or buttons are not functioning properly.
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