User Manual

17
Before making a service call, please try the suggestions below if your unit is not
operating correctly.
Air Conditionining unit will NOT operate
Causes Solutions
The power switch is off Switch on the power.
Power supply failure Wait for the recovery of power supply
The fuse is blown Check circuit breaker, replace the fuse
(retest if fuse re-blows – contact electrician)
It doesn’t reach the setting time for starting up Wait or eliminate the original setting
Unit doesn’t start when pressing ON/OFF button
Causes Solutions
It is not four minutes after switch off Wait four minutes
Room temperature is lower than the setting
temperature
Reset the temperature
Air blowing out, but the cooling effect is bad
Causes Solutions
Mistakes in temperature setting Reset temperature. Set temperature should be
lower than ambient temperature
The air filter is blocked by dust Clean the air filter
The air inlet or outlet of machine is blocked Remove the obstruction
The air conditioner is on in a very hot room Allow additional time to remove stored
heat from walls, ceiling, floor and furniture
Cooling capacity is insufficient Reconfirm the required cooling capacity
with your dealer.
The doors or windows are open Close the doors and windows
Noise or vibration
Causes Solutions
The ground is not level or not flat enough Place the unit on a flat, level ground if possible
Troubleshooting