Daikin FVXS09NVJU Operation Manual

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Daikin FVXS09NVJU Operation Manual Manual pdf 34 page image

33When the Need ArisesBefore making an inquiry or a request for repair, please check the following.If the problem persists, consult your dealer.Not a problemThis case is not a problem.CheckPlease check again before requestingrepairs.The air conditioner does not operateCase Description / what to checkOPERATION lamp is off�• Has the circuit breaker been tripped or the fuse blown?• Is there a power failure?• Are batteries set in the remote controller?OPERATION lamp is blinking�• Turn off the power with the circuit breaker and restart operation with the remote controller.If the OPERATION lamp is still blinking, check the error code and consult your dealer.Page 36The air conditioner suddenly stops operatingCase Description / what to checkOPERATION lamp is on� • To protect the system, the air conditioner may stop operating after sudden large voltagefl uctuations. It automatically resumes operation in about 3 minutes.OPERATION lamp is blinking�• Is there anything blocking the air inlet or air outlet of the indoor unit or outdoor unit?Stop operation and after turning off the circuit breaker, remove the obstruction. Then restartoperation with the remote controller. If the OPERATION lamp is still blinking, check the errorcode and consult your dealer. Page 36• Are operation modes all the same for indoor units connected to outdoor units in the multi system?If not, set all indoor units to the same operation mode and confi rm that the lamps.Moreover, when the operation mode is in AUTO, set all indoor unit operation modes toCOOL or HEAT for a moment and check again that the lamps are normal. If the lamps stopblinking after the above steps, there is no malfunction. Page 25The air conditioner does not stop operatingCase Description / what to checkThe air conditioner continuesoperating even after operation isstopped� Immediately after the air conditioner is stopped• The outdoor unit fan continues rotating for about another 1 minute to protect the system. While the air conditioner is not in operation• When the outdoor temperature is high, the outdoor unit fan may start rotating to protectthe system.The room does not cool down / warm upCase Description / what to checkAir does not come out� In HEAT operation• The air conditioner is warming up. Wait for about 1 to 4 minutes.• During defrosting operation, hot air does not fl ow out of the indoor unit. When the air conditioner operates immediately after the circuit breaker is turned on• The air conditioner is preparing to operate. Wait for about 3 to 20 minutes.Air does not come out /Air comes out� Is the airflow rate setting appropriate?• Is the airfl ow rate setting low, such as “Indoor unit quiet” or “Airfl ow rate 1”? Increase theairfl ow rate setting. Is the set temperature appropriate? Is the adjustment of the airflow direction appropriate?Troubleshooting