Daikin FVXS25FV1B Service Manual page 90

SiBE06-708
Check again.
Please check again before calling a repair person.
Case
The air conditioner does not
operate.
(OPERATION lamp is off.)
Cooling (Heating) effect is poor. • Are the air filters clean?
Operation stops suddenly.
(OPERATION lamp flashes.)
An abnormal functioning
happens during operation.
Attempted heating, but the unit
would not accept the
instruction.
The remote controller allows
selection of "heating" even
though the unit is cooling only
model.
Heating cannot be selected,
even though the unit is heat
pump model.
30
System Configuration
• Hasn't a breaker turned OFF or a fuse blown?
• Isn't it a power failure?
• Are batteries set in the remote controller?
• Is the timer setting correct?
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
• Is the temperature setting appropriate?
• Are the windows and doors closed?
• Are the air flow rate and the air direction set appropriately?
• Are the air filters clean?
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
Clean the air filters or take all obstacles away and turn the
breaker OFF. Then turn it ON again and try operating the air
conditioner with the remote controller. If the lamp still flashes,
call the service shop where you bought the air conditioner.
• The air conditioner may malfunction with lightning or radio
waves. Turn the breaker OFF, turn it ON again and try
operating the air conditioner with the remote controller.
• When selecting heating, warning beeps are heard, the main
unit operating lamp (green) blinks for 5 seconds, and the
current operating status is maintained.
Check the specifications of the outdoor unit. If the outdoor
unit is cooling only model, set the remote controller for a
cooling only model using the cooling only/heat pump switch
on the remote controller.
If you do not know how to switch the setting, contact the
service shop where you purchased the air conditioner.
• Set the remote controller so that it is for a heat pump model
by using the cooling only/heat pump switch on the remote
controller.
If you do not know how to switch the setting, contact the
service shop where you purchased the air conditioner.
Check
Instruction
79