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  • July 7, 2024 at 2:02 pm #1090
    theachub_m40wgrTheAChub
    Keymaster

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      Outdoor Unit Fan Motor Abnormality

      Error Code

      E7
      Applicable

      Models

      		 REYQ-T
      Method of Error

      Detection

      		 „ Detect according to the value of current flowing through the inverter PCB (or fan inverter PCB in case of Fan Motor 2).
      „ Detect error of the fan motor system according to the fan revolutions detected by the hall IC during the fan motor runs.
      Error Decision

      Conditions

      		 „ When overcurrent is detected from the inverter PCB or the fan inverter PCB (Detecting overcurrent 4 times will shut down the system).
      „ When the fan revolutions fall below a given level for a period of 6 seconds while in fan motor rotation mode (Detecting shortage of revolutions will shut down the system).
      Supposed

      Causes

      		 „

      „

      		 Fan motor failure

      Neglect to connect or defective connection of harness/connector between the fan motor and the

      PCB
      „ Fan does not rotate due to foreign matters caught in it.
      „ Clearing condition: fan motor performs normal operation for a period of 5 minutes

      Troubleshooting

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