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  • July 7, 2024 at 9:22 am #966
    theachub_m40wgrTheAChub
    Keymaster

      Premium

      PCB Abnormality

      Error Code      A1

      Applicable

      Models

      		 All indoor models
      Method of Error

      Detection

      		 Check data from E²PROM.
      Error Decision

      Conditions

      		 When data could not be correctly received from the E²PROM

      E²PROM : Type of nonvolatile memory. Maintains memory contents even when the power supply is turned OFF.
      Supposed

      Causes

      		 „

      „

      		 Defective of indoor unit PCB

      External factor (Noise etc.)

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