Daikin FCQ71KVEA Operation Manual

Also see for FCQ100KVEA: Service manual Operation manual

Contents

Daikin FCQ71KVEA Operation Manual Manual pdf 11 page image

12TROUBLE SHOOTINGI. If one of the following malfunctions occurs, take themeasures shown below and contact your dealer.The system must be repaired by a qualified service person.WARNING• When the air conditioner is in abnormal conditions(smell of something burning, etc), unplug the powercord from the outlet, and contact your dealerContinued operation under such circumstances may resultin a failure, electric shock, and fire.• If a safety device such as a fuse, a breaker or an earthleakage breaker frequently actuates;Measure: Do not turn on the main power supply switch.• If the ON/OFF button does not properly work;Measure: Turn off the main power supply switch.• If water leaks from unit.Measure: Stop the operation.• If the display “ ” (INSPECTION), “UNIT No.”, and theOPERATION lamp flash and the “MALFUNCTION CODE”appears.Measure: Notify your dealer and inform him/her of thedisplay.II. If the system does not properly operate except for theabove mentioned case, and none of the above men-tioned malfunctions is evident, investigate the systemaccording to the following procedures.1. If the system does not operate at all.• Check if there is a power failure.Wait until power is restored. If power failure occurs dur-ing operation, the system automatically restarts imme-diately after the power supply recovers.• Check if a fuse has blown.Turn off the power supply.• Is the breaker blown?Turn the power on with the breaker switch in the offposition.Do not turn the power on with the breaker switch in thetrip position.(Contact your dealer.)2. If the system stops operating after operating thesystem.• Check if the air inlet or outlet of outdoor or indoor unitis blocked by obstacles.Remove the obstacle and make it well-ventilated.• Check if the air filter is clogged.Ask a qualified service person to clean the air filters(Refer to MAINTENANCE).3. The system operates but it does not sufficiently coolor heat.• If the air inlet or outlet of the indoor or the outdoor unitis blocked with obstacles.Remove the obstacle and make it well-ventilated.• If the air filter is clogged.Ask a qualified service person to clean the air filters(Refer to MAINTENANCE).• If the set temperature is not proper (Refer to ADJUST-MENT).• If the FAN SPEED button is set to LOW SPEED (Referto ADJUSTMENT).• If the air flow angle is not proper (Refer to ADJUSTINGTHE AIR FLOW DIRECTION).• If the doors or the windows are open. Shut doors orwindows to prevent wind from coming in.• If direct sunlight enters the room (when cooling).Use curtains or blinds.• When there are too many inhabitants in the room(when cooling).Cooling effect decreases if heat gain of the room is toolarge.• If the heat source of the room is excessive (when cool-ing).Cooling effect decreases if heat gain of the room is toolarge.C HUNIT No.OPERATION lampINDOOR UNIT No. in which amalfunction occursMALFUNCTIONCODEINSPECTIONdisplaySwitchONOFFTrip positionBreaker

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