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9
Operation Manual
Discharging the residual heating air•
When stopping the air conditioner in normal operation, the fan motor will run with low speed for a while to
blow out the residual hot air.
• Auto restart from power outage
When the power supply is recovered after power outage, all presets still be in effect and the system will
run according to the previous settings.
3. Not Cooling or Heating Properly
• Check for obstruction of air flow in outdoor or indoor units.
• Check if there are too many heating sources in the room.
Check if the air filter is clogged with dust. •
Check if the doors or windows are open. •
Check if the temperature condition is within the operation range. •
Troubleshooting
If Trouble issue persists... 1.
If the trouble issue persists even after checking the following, contact qualified, licensed service provider，
and inform them of the following items.
(1) Unit Model Name
(2) Details of the issue
2. No Operation
Check if there's power and the unit is turned ON.
Check whether the SET TEMP is set at the correct temperature.
CAUTION
When drain water overflows from the indoor unit, stop the operation and contact your dealer.
When you smell or see white smoke coming out of the unit, turn OFF the main power supply and
contact your dealer.
4. This is Not Abnormal
Odor from Indoor Unit •
Unpleasant odor diffuses from indoor unit after a long period of time. Clean the air filter and panels
or allow a good ventilation.
Sound from Deforming Parts •
During system starting or stopping, a sound might be heard. However, this is due to thermal normal wear of
plastic parts. It is not abnormal.
Steam from Outdoor Heat Exchanger •
During defrosting operation, ice on the outdoor heat exchanger melts resulting in steam.
Dew on Air Panel •
When the cooling operation continues for a long period of time under high humidity conditions, dew may
form on the air panel.
Refrigerant Flow Sound •
While the system is being started or stopped, the refrigerant flow sound may be heard.
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