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  • #1195
    theachub_m40wgrTheAChub
    Keymaster

      Premium

      System is not Set yet

      Error Code       UF

      Applicable

      Models

      All indoor models

      REYQ-T

      Method of Error

      Detection

      On check operation, the number of indoor units in terms of transmission is not corresponding to that of indoor units that have made changes in temperature.
      Error Decision

      Conditions

      The error is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation.
      Supposed

      Causes

      „ Improper connection of transmission wiring between indoor-outdoor units and outdoor-outdoor units
      „ Failure to execute check operation
      „ Defective indoor unit PCB
      „ Stop valve is not opened

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