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Cleaning and Maintenance
Troubleshooting
Maintenance
• Check whether air inlet and air outlet are blocked.
• Check whether air switch, plug and socket are in good condition.
• Check whether filter is clean.
• Check whether the remote controller is installed with batteries.
• Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
• Check whether drainage pipe is damaged.
Cleaning
1. Disconnect power supply.
2. Clean filter and indoor unit’s panel.
3. Clear dust and obstructions from the outdoor unit.
4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact your
dealer.
Phenomenon
Check items
Solution
Indoor unit cannot receive
remote control signal or
remote control has no action.
Whether it's interfered severely
(such as static electricity, stable
voltage).
Pull out the plug. Reinsert
the plug after about 3min, and
then turn on the unit again.
Whether remote controller is
within the signal receiving range.
Signal receiving range is 8m.
Whether there are obstacles.
Remove obstacles.
Whether remote controller is
pointing at the receiving window.
Select proper angle and point
the remote controller at the
receiving window on indoor unit.
Is sensitivity of remote controller
low; fuzzy display and no
sisplay?
Check the batteries. If the power
of batteries is too low, please
replace them.
No display when operating
remote controller.
Check whether remote controller
appears to be damaged. If yes,
replace it.
