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SiENBE12-713
Instruction
System Configuration
209
Check again
Please check again before calling a repair person.
Case
Check
The air conditioner does not operate.
(OPERATION lamp is off)
• Hasn’t a breaker turned OFF or a fuse blown?
• Isn’t it a power failure?
• Are batteries set in the remote control?
• Is the timer setting correct?
Cooling (Heating) effect is poor.
• Are the air filters clean?
• 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?
Operation stops suddenly.
(OPERATION lamp flashes)
• 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 control. If the lamp still flashes, call the
service shop where you bought the air conditioner.
• Are operation modes all the same for indoor units connected to outdoor
units in the multi system?
If not, set all indoor units to the same operation mode and confirm that
the lamps flash.
Moreover, when the operation mode is in “AUTO”, set all indoor unit
operation modes to “COOL” or “HEAT” for a moment and check again
that the lamps are normal. If the lamps stop flashing after the above
steps, there is no malfunction.
An abnormal functioning happens during operation.
• 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 control.
The remote control allows selection of “heating” even
though the unit is cooling only model.
• 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 using the cooling only/heat pump switch on the remote
control.
If you do not know how to switch the setting, contact the service shop
where you purchased the air conditioner.
The remote control allows selection of “heating” even
though the unit is cooling only model.
Heating cannot be selected, even though the unit is heat
pump model.
• Set the remote control so that it is for a heat pump model by using the
cooling only/heat pump switch on the remote control.
If you do not know how to switch the setting, contact the service shop
where you purchased the air conditioner.
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...