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  • July 7, 2024 at 2:04 pm #1092
    theachub_m40wgrTheAChub
    Keymaster

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      Electronic Expansion Valve Coil Abnormality

      Error Code       E9

      Applicable

      Models

      		 REYQ-T
      Method of Error

      Detection

      		 Detect according to whether or not there is continuity across the electronic expansion valve coils (REYQ-T: Y1E~Y5E).
      Error Decision

      Conditions

      		 When no current flows through common (COM[+]) at the time of turning ON the power supply.
      Supposed

      Causes

      		 „

      „

      		 Disconnection of connectors from electronic expansion valves (REYQ-T: Y1E~Y5E) Defective electronic expansion valve coil
      „ Defective outdoor unit control PCB

      (A1P).

       Note:           ∗1.Make measurement of resistance between individual pins to ensure that it falls within the range of 40 to 50Ω.

      REYQ-T

       

      Measurement Point Acceptance

      Criteria
      1 – 6 40 ~ 50Ω
      2 – 6
      3 – 6
      4 – 6

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