Daikin VRV | Troubleshooting indoor and outdoor unit communication problem | Error U4
Brand : Daikin VRV Model : RXQ12AYM/RXQ10AYM (CU) Model : FXMQ200MAVE (FCU) Error code : U4 Cause : indoor/outdoor unit communication problem. #bonmj #daikin #vrv
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Fix the U4 error on your Daikin multi air conditioner easily.
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