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  • July 7, 2024 at 2:06 pm #1094
    theachub_m40wgrTheAChub
    Keymaster

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      Discharge Pipe Temperature Abnormality

      Error Code       F3

      Applicable

      Models

      		 REYQ-T
      Method of Error

      Detection

      		 Detect according to temperature detected with the discharge pipe or compressor surface temperature thermistor.
      Error Decision

      Conditions

      		 „ When discharge pipe temperature becomes abnormally high (i.e., 135°C (275°F) or more)

      „ When discharge pipe temperature sharply rises (remains at 120°C (248°F) or more for a period of consecutive 10 minutes)

      „ When compressor surface temperature becomes abnormally high (i.e., 120°C (248°F) or more)

      „ When compressor surface temperature sharply rises (remains at 110°C (230°F) or more for a period of consecutive 10 minutes)
      Supposed

      Causes

      		 „ Abnormal discharge pipe temperature

      „ Defective discharge pipe thermistor

      „ Abnormal compressor surface temperature

      „ Defective compressor surface temperature thermistor

      „ Defective outdoor unit control PCB

       

       

      Replace the control PCB (A1P).

       Note:    ∗1. Error code and thermistor

      Error

      Code

      		 Applicable Thermistor REYQ72TYDN REYQ72TTJU REYQ96-120TYDN REYQ96-120TTJU REYQ144-168TYDN REYQ144-168TTJU
      Electric symbol Connector Electric symbol Connector Electric symbol Connector
      J3 Discharge pipe (M1C) thermistor R2T X19A

      (Group connector)

      		 R21T X19A

      (Group connector)

      		 R21T X19A

      (Group connector)
      Discharge pipe (M2C) thermistor — — R22T R22T
      Compressor surface temperature thermistor R14T X19A

      (Group connector)

      		 — — R14T

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