Troubleshooting
When...
■ The remote control is missing or a malfunction has occurred
AUTO
OFF/ON
■ The indicators are too bright
• To dim or restore the unit's indicator brightness, press
■ Conducting a seasonal inspection after extended non-use
• Check the remote control batteries.
• Check that there is no obstruction around the air inlet and outlet vents.
• Use Auto OFF/ON button to select COOL/HEAT operation. After 15 minutes of operation, it
is normal to have the following temperature difference between the air inlet and outlet vents:
COOL: ≥ 14.4 °F / 8 °C
■ The units are not going to be used for a long period of time
• Activate HEAT mode for 2~3 hours as an alternative to remove moisture left in the internal
parts thoroughly to prevent mould growth.
• Turn off the power supply.
• Remove the remote control batteries.
NON SERVICEABLE CRITERIAS
SWITCH OFF POWER AT THE CIRCUIT BREAKER then please consult an authorised
dealer when in 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.
12
1. Raise the front panel.
2. Press the button once to use in AUTO mode.
3. Press and hold the button until you hear 1 beep, then release to use in
forced COOL mode.
4. Repeat step 3. Press and hold the button until you hear 2 beeps, then
release to use in normal COOL mode.
5. Repeat step 4. Press and hold the button until you hear 3 beeps, then
release to use in forced HEAT mode.
• Press the button again to turn off.
HEAT: ≥ 25.2 °F / 14 °C
and hold for 5 seconds.