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Symptoms Causes Solution
e unit does not start.
Supply voltage problem. e main switch is o.
Wait for the supply voltage to be restored. Connect the
supply voltage.
e main switch fuse could be blown. Replace the fuse.
Flat batteries or other problems with the remote
control.
Replace the batteries or check the remote control.
Air ow normal but it does not
completely cool.
e temperature is not set correctly. Set the temperature correctly.
Low cooling.
e indoor unit’s heat exchanger is dirty. Clean the heat exchanger.
e air lter is dirty. Clean the air lter.
e indoor unit’s inlet is blocked. Remove the dirt and make the air even.
Doors and windows are open. Close doors and windows.
Direct sunlight. Hang curtains to protect from direct sunlight.
Excessive heating. Limit the source of heat.
Outside temperature too high. Reduce the CA cooling capacity (normal).
Low heating. Doors and windows are not fully closed. Close doors and windows.
Water leaks from the unit
e condensate water in the drain pipe is too cold and
freezing.
Cover the drain pipe with insulation cotton.
e drain pipe is clogged and broken. Repair or replace the drain pipe.
Properly connect the connecting pipe’s inlet/outlet. Connect the piping properly.
e drain pipe outlet is higher and so causes water to
leak from the condensate collection tank.
Position the condensate drain pipe lower than the
bottom of the unit.
e unit is too inclined. Position the unit horizontally.
e unit works in high speed. Adjust the fan to medium or low speed.
e fan motor is not properly xed. Seal the fan motor properly.
Air outlet damper loose. Secure the damper.
5.4 TROUBLESHOOTING SUPPORT.
Fan coil problems and their causes.
Note: if one of the following malfunctions oc-
curs, stop the device, unplug it and contact the
service centre.
• e operation LED ashes quickly (twice per
second).
• e LED continues ashing quickly aer the
power has been switched o and back on.
• e remote control receives a malfunction
signal or the key does not work properly.
• Frequent activation of a safety device (fuse,
switch).
• Water leaking from the indoor unit.
• Strange objects or substances inside the unit.
• Other malfunctions.
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