Daikin FAQ100BUV1B Operation Manual

Also see for FAQ100BUV1B x 2: Service manual Technical data Operation manual Installation manual Operation manual

Contents

Daikin FAQ100BUV1B Operation Manual Manual pdf 11 page image

English 7The 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 immediately whenTEMPERATURE SETTING button is returned tothe former position after pushing the 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 centralized con-trol. Flashes on the display indicates that the systemcannot be controlled by the remote controller.• 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. 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 contam-inated, the temperature distribution inside a roombecomes uneven. It is necessary to clean theinside of the indoor unit. Ask your Daikin dealer fordetails on cleaning the unit. This operationrequires a qualified service person.• When the system is changed over to HEATINGOPERATION after DEFROST OPERATION.Moisture generated by DEFROST becomessteam and exists.III.NOISE OF AIR CONDITIONERS• A ringing sound after the unit is started.This sound is generated by the temperature regu-lator working.It will quiet down after about a minute.• A continuous flow “Shuh” sound is heardwhen the systems is in COOLING or DEFROSTOPERATION.This is the sound of refrigerant gas flowingthrough both indoor and outdoor units.8. NOT MALFUNCTION OF THE AIRCONDITIONER• A “Shuh” sound which is heard at the start orimmediately after the stop of operation orwhich is heard at the start or immediately afterthe stop of DEFROST OPERATION.This is the noise of refrigerant caused by flow stopand flow change.• A continuous low “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 parts causedby temperature change makes this noise.IV.DUST FROM THE UNITS• Dust may blow out from the unit after startingoperation from long resting time.Dust absorbed by the unit blows out.V. THE UNITS GIVE OFF ODORSThe unit absorbs the smell of rooms, furniture,cigarettes, etc., and then emits them.VI.THE LIQUID CRYSTAL OF THE REMOTE CON-TROLLER SHOW “ ”• It happens immediately after the main powersupply switch is turned on.This shows that the remote controller is in normalcondition.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.9. TROUBLE SHOOTING

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