Operation Manual

25
Cleaning the Heat Discharge Pipe
Remove the heat discharge pipe from air conditioner, clean and dry it , and then reinstall it. (For the method of
installation and removal , please refer to the instruction for „Installation and disassembly of heat discharge pipe“).
Checking before Use-Season
• Check whether air inlets and air outlets are blocked.
• Check whether plug and socket are in good condition.
• Check whether filter is clean.
• Check whether batteries are installed in remote controller.
• Check whether joint, window bracket and heat discharge pipe are installed tightly.
• Check whether heat discharge pipe is damaged.
Checking after Use Season
• Disconnect power supply. Clean filter and outer case.
• Remove dust and sundries on the air conditioner.
• Eliminate accumulated water in chassis (refer to the section of „Drainage way“ for details).
• Check whether window bracket is damaged or not. If yes, please contact dealer.
Long-time Storage
If you don‘t use the air conditioner for a long time, make sure there‘s no accumulated water in chassis. Pull out
the plug and wrap the power cord. Clean the air conditioner and pack it well to prevent dust.
Troubleshooting
Problem Possible Cause Solution
Air conditioner can‘t
operate.
Is plug loose? Reinsert the plug.
Whether the unit is restarted up after
stopping immediately.
Wait for 3min, and then turn it on again.
Poor cooling.
The air filter is too dirty. Clean the air filter.
The set temperature is proper. Adjust the temperature.
Door and window are not closed. Close dorrs and windows.
Air conditioner can‘t
receive signal from
remote contr- oller or
remote controller is
not sensible.
Remote controller is not within the
receiving range.
The receiving range of remote controller
is 8 m. Do not exceed this range.
Whether it‘s blocked by obstacles. Remove the obstacles.
Is sensitivity of remote controller low. Check the batteries of remote controller.
If the power is low, please replace the
batteries.
There’s a fluorescence lamp in the room. Move the remote controller close to air
conditioner or turn off the fluorescence
lamp and try it again.