Daikin FAQ71CV4A Operation Manual

Contents

Daikin FAQ71CV4A Operation Manual Manual pdf 13 page image

10WHAT TO DO WHEN STOPPING THE SYS-TEM FOR A LONG PERIODTurn on FAN OPERATION for a half day and drythe unit.• Refer to “6. OPERATION PROCEDURE”.Cut off the power supply.• When the main power switch is turned on, somewatts of electricity is being used even if the sys-tem is not operating.Turn off the main power supply switch for savingenergy.• The display on the remote controller will vanishwhen the main power switch is turned off.Clean the air filter and the exterior.• Be sure to replace the air filter to its original placeafter cleaning. Refer to “MAINTENANCE”.NOTE• Operation with dirty filters:(1)cannot deodorize the air.(2)cannot clean the air.(3)results in poor heating or cooling.(4)may cause odour.• To order air purifying filter with photocatalyticdeodorizing function contact to the service shopthere you bought the air conditioner.• Dispose of old filters as burnable waste.The following symptoms do not indicate air condi-tioner malfunctionI. THE SYSTEM DOES NOT OPERATE• The system does not restart immediatelyafter the ON/OFF button is pressed.If the OPERATION lamp lights, the system is innormal condition.It does not restart immediately because a safetydevice operates to prevent overload of the sys-tem. After 3 minutes, the system will turn onagain automatically.• The system does not restart immediatelywhen TEMPERATURE SETTING button isreturned to the former position after pushingthe button.If the OPERATION lamp lights, the system is innormal condition.Item Part No.Air purifying filter with photocatalyticdeodorizing function.(without frame) 1setKAF952A429. NOT MALFUNCTION OF THE AIRCONDITIONERIt does not restart immediately because a safetydevice operates to prevent overload of the sys-tem. After 3 minutes, the system will turn onagain automatically.• The system does not start when the displayshows “ ” (UNDER CENTRALIZEDCONTROL) and it flashes for few secondsafter pressing an operation button.This is because the system is under centralizedcontrol. Flashes on the display indicates that thesystem cannot be controlled by the remote con-troller.• The system does not start immediately afterthe power supply is turned on.Wait one minute until the micro computer is pre-pared for operation.II. The fan speed is different from the setting.• Pressing the fan speed control button doesnot change the fan speed.When the room temperature reaches the settemperature in heating mode, the outdoor unitstops and the indoor unit switches to whispermode. This is to prevent the cool air from beingblown directly onto anyone in the room.III. AIR BLOW DIRECTION IS NOT AS SPECIFIED.• Actual air blow direction is not as shown onthe remote controller.• Automatic swing setting does not work.Refer to “AIR FLOW DIRECTION ADJUST.”IV. WHITE MIST COMES OUT OF A UNIT• When humidity is high during cooling opera-tion (In oily or dusty places)If the inside of an indoor unit is extremely con-taminated, the temperature distribution inside aroom becomes uneven. It is necessary to cleanthe inside of the indoor unit. Ask your Daikindealer for details on cleaning the unit. This oper-ation requires a qualified service person.• When the system is changed over to HEATINGOPERATION after DEFROST OPERATION.Moisture generated by DEFROST becomessteam and exists.V. NOISE OF AIR CONDITIONERS• A ringing sound after the unit is started.This sound is generated by the temperature reg-ulator working.It will quiet down after about a minute.• A continuous flow “Shuh” sound is heardwhen the systems is in COOLING orDEFROST OPERATION.This is the sound of refrigerant gas flowingthrough both indoor and outdoor units.

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