Fault diagnosis by remote controller The remote controller can receive relevant error codes from the indoor unit. When is held down for about 5 seconds, "00" blinks in the temperature display section. Press repeatedly until a long beep is produced. The code indication changes as shown below, and notifies with a long beep. 348 Share 46K views 1 year ago FULLY AIRCONDITIONED This video shows how find the fault code using the remote controller on a daikin ductless mini split or split system , it also show how to System error codes. Daikin Error code u0- Shortage of refrigerant. Probable causes: Refrigerant shortage and/or refrigerant clogging (wrong piping) Defective Daikin thermistor; Defective low-pressure sensor; Defective outdoor unit's main PCB; Error U1- Reverse phase, open phase. Probable causes: Power supply reverse phase; T- phase open phase SiUS041501E i Table of Contents Inverter Pair Wall Mounted Type FTK(X)N-N, FTK(X)-N Series zCooling Only Indoor Unit FTKN09NMVJU FTK09NMVJU FTKN12NMVJU FTK12NMVJU .

daikin cassette fault codes