Daikin FAQ71BVV1B Operation Manual

Also see for FAQ71BUV1B x 2: Service manual Technical data Service manual Installation manual Operation manual

Contents

Daikin FAQ71BVV1B Operation Manual Manual pdf 12 page image

8 English• 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 SPECI-FIED.• 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.• A “Shuh” sound which is heard at the start orimmediately after the stop of operation orwhich is heard at the start or immediatelyafter the stop of DEFROST OPERATION.This is the noise of refrigerant caused by flowstop and flow change.• A continuous flow “Shah” sound is heardwhen the system is in COOLING OPERATIONor at a stop.The noise is heard when the drain pump is inoperation.• A “Pishi-pishi” squeaking sound is heardwhen the system is in operation or after thestop of operation.Expansion and contraction of plastic partscaused by temperature change makes this noise.VI. DUST FROM THE UNITS• Dust may blow out from the unit after startingoperation from long resting time.Dust absorbed by the unit blows out.VII.THE UNITS GIVE OFF ODORSThe unit absorbs the smell of rooms, furniture,cigarettes, etc., and then emits them.VIII.THE LIQUID CRYSTAL OF THE REMOTECONTROLLER SHOW “ ”• It happens immediately after the main powersupply switch is turned on.This shows that the remote controller is in nor-mal condition.This continues temporary.I. If one of the following malfunctions occurs,take the measures shown below and contactyour Daikin dealer.The system must be repaired by a qualified serviceperson.WARNINGWhen the air conditioner is in abnormal con-ditions (smell of something burning, etc),unplug the power cord from the outlet, andcontact your dealerContinued operation under such circumstancesmay result in a failure, electric shock, and fire.• If a safety device such as a fuse, a breaker or anearth leakage breaker frequently actuates;Measure: Do not turn on the main power switch.• If the ON/OFF switch does not properly work;Measure: Turn off the main power switch• If water leaks from unit.Measure: Stop the operation.• If the display “ ”, “UNIT No.”, and the OPERA-TION lamp flash and the “MALFUNCTIONCODE” appears.9. TROUBLE SHOOTING

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