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  • July 7, 2024 at 1:59 pm #1086
    theachub_m40wgrTheAChub
    Keymaster

      Premium

      INV Compressor Motor Lock

      Error Code

      E5
      Applicable

      Models

      		 REYQ-T
      Method of Error

      Detection

      		 Outdoor unit PCB takes the position signal from UVW line connected between the inverter and compressor, and the error is detected when any abnormality is observed in the phase-current waveform.
      Error Decision

      Conditions

      		 When the inverter compressor motor does not operate even by starting it in forced startup mode.
      Supposed

      Causes

      		 „

      „

      		 Inverter compressor lock

      High differential pressure (0.5 MPa (167.3 ftH2O) or more)
      „ UVW connection error
      „ Defective inverter PCB
      „ The stop valve is not opened

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