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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 three minutes after switch off
Wait three 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
AX0040_PortACmanual_EN_FR_DE_ES_IT_PL_NL.indd 12
02/02/2016 15:12