Daikin FFQ25C2VEB Operation Manual

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Daikin FFQ25C2VEB Operation Manual Manual pdf 7 page image

FFQ25~60C2VEBSplit system air conditioners4P341089-1A – 2013.01Operation manual5Not a malfunction of the air conditionerThe following symptoms do not indicate air conditioner malfunction.The system does not operate The system does not restart immediately after the ON/OFFbutton is pressed.If the OPERATION lamp lights, the system is in its normaloperating condition.It does not restart immediately because one of its safety devicesactuates to prevent the system from being overloaded.The system will turn on again automatically after three minutes. The system does not restart immediately when theTEMPERATURE SETTING button is returned to its formerposition after pushing.It does not restart immediately because one of its safety devicesactuates to prevent the system from being overloaded.The system will turn on again automatically after three minutes. The system does not start when the display shows " "(EXTERNAL CONTROL ICON) and it flashes for a few secondsafter pressing an operation button.This is because the system is controlled or disabled by anothercontroller with a higher priority.When the display flashes, it indicates that the system cannot becontrolled by this indoor unit. The system does not start immediately after the power supply isturned on.Wait one minute until the micro computer is prepared foroperation. The outdoor unit has stopped.This is because the room temperature has reached the settemperature. The unit switches to fan operation." " (EXTERNAL CONTROL ICON) is displayed on theremote controller and the actual operation is different from theremote controller setting.For multi split models, the micro computer executes thefollowing control depending on the operation mode of otherindoor units.- Before you start to operate, the other indoor unit(s) is (are)already operating. When the operation mode of this unit isdifferent from your choice, the indoor unit of your room maybe put in waiting condition. (Fan: Stop, Horizontal flap:Horizontal position)- When the total cooling capacity of all indoor units which areoperating is beyond the capacity limit of the outdoor unit, yourindoor unit will be put in waiting condition. (Fan andhorizontal flap: Same as setting: (cooling only model only))- After cooling mode operation of the unit of your room, whenother unit(s) start to operate, the unit of your room mayoperate as follows: Fan: L tab, Horizontal flap: Horizontalposition. The fan speed is different from the setting. Pressing the fanspeed control button does not change the fan speed.When the room temperature reaches the set temperature inheating mode, the capacity supply from the outdoor unit hasstopped and the indoor unit operates in fan only mode (L tab). Incase of multi split, the indoor unit alternately operates fan stopand fan only mode (L tab).This is to prevent the cool air from being blown directly ontoanyone present in the room.Air blow direction is not as specified Actual air blow direction is not as shown on the remotecontroller. Automatic swing setting does not work.Refer to the manual of the remote controller.White mist comes out of a unit When humidity is high during cooling operation (In oily or dustyplaces).If the inside of an indoor unit is extremely contaminated, thetemperature distribution inside a room becomes uneven. It isnecessary to clean the inside of the indoor unit. Ask your dealerfor details on cleaning the unit. This operation requires aqualified service person. When the system is changed over to HEATING OPERATIONafter DEFROST OPERATION.Moisture generated by DEFROST becomes steam and exits.Noise of air conditioners A "ringing" sound is heard after the unit is started.This sound is generated by the temperature regulator working. Itwill quiet down after about a minute. A continuous low "hissing" sound is heard when the system is inCOOLING or DEFROST OPERATION.This is the sound of refrigerant gas flowing through both indoorand outdoor units. A "hissing" sound which is heard at the start or immediately afterthe stop of operation or which is heard at the start orimmediately after the stop of DEFROST OPERATION.This is the noise of refrigerant caused by flow stop and flowchange. A continuous low "swishing" sound is heard when the system isin COOLING OPERATION or at a stop.The noise is heard when the drain pump is in operation. A "squeaking" sound is heard when the system is in operation orafter the stop of operation.Expansion and contraction of plastic parts caused bytemperature change makes this noise.Dust from the units Dust may blow out from the unit after starting operation fromlong resting time. Dust absorbed by the unit blows out.The units give off odours The unit absorbs the smell of rooms, furniture, cigarettes, etc.,and then emits them.The liquid crystal display of the remote controller shows " " Happens immediately after the main power supply switch isturned on.Shows that the remote controller is in normal condition.Continues temporarily.Operation modeYour room Other room(s)Cooling Dry Fan only HeatingCooling O O O WDry O O O WFan only O O O WHeating W W W OO: your unit can operateW: your unit in waiting mode