Daikin FHQ71BUV1B Operation Manual

Also see for FHQ100BUV1B x 2: Service manual Service manual Service manual Installation manual

Contents

Daikin FHQ71BUV1B Operation Manual Manual pdf 12 page image

8 EnglishWHAT TO DO WHEN STOPPING THE SYS-TEM FOR A LONG PERIODTurn on FAN OPERATION for a half day and drythe unit.• Read the operation manual that came with theremote controller.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”.The following symptoms do not indicate air condi-tioner malfunctionI. THE SYSTEM DOES NOT OPERATE• The system does not restart immediately afterthe 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 on againautomatically.• 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.It does not restart immediately because a safetydevice operates to prevent overload of the sys-tem. After 3 minutes, the system will turn on againautomatically.• The system does not start when the displayshows “ ” and it flashes for few sec-onds after 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.8. NOT MALFUNCTION OF THE AIRCONDITIONER• The outdoor unit is stopped.This is because the room temperature hasreached the set temperature. The indoor unitswitches to fan operation.II. WHEN “ ” IS DISPLAYED AND OPER-ATION IS DIFFERENT FROM THE REMOTECONTROL DISPLAY.This is because operating mode is controlled by amicro computer, as shown below, depending onthe operating mode of the other connected indoorunits when using in a multi system.• If the operating mode does not match that ofthe other indoor units which are already run-ning, the indoor unit goes into standby mode(the fan stops and the air flow flaps becomehorizontal).The unit will go into the above mode if either cool-ing, dry, or fan operation mode are set togetherwith heating mode.NOTE• Normally, the operation mode in the room wherethe unit is first run is given priority, but the follow-ing situations are exceptions, so please keep thisin mind.a. If the operation mode of the first room is FANMode, then using Heating Mode in any roomafter this will give priority to heating. In this sit-uation, the air conditioner running in FAN Modewill go on standby.b. With the Priority Room Setting activeContact your Daikin dealer for the operationthat corresponds to your system.• If the total capacity of all the indoor units run-ning exceeds the limit, the indoor unit will gointo standby mode (fan and air flow directionremain as set). (Only for cooling-only type.)• If another indoor unit goes into heating modeafter cooling, the unit may go into dry mode(fan operates whisper and the air flow flapsbecome horizontal).III.THE FAN SPEED IS DIFFERENT FROM THESETTING.• Pressing the fan speed control button doesnot change the fan speed.When the room temperature reaches the set tem-perature in heating mode, the power supply fromthe outdoor unit stops and the indoor unit goesinto whisper mode (in a multi system, the fan goesback and forth between stop and whisper).This is to prevent the cool air from being blowndirectly onto anyone in the room.

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