Combustion fan error

Discussion in 'Tankless Water Heater Forum' started by MichealH, Jun 5, 2019.

  1. MichealH

    MichealH New Member

    Jun 5, 2019
    I have a rheem eco180dvln3. It threw a combustion fan error. I replaced the motor( it was bad. It didn't spin freely) i still got a code 63. So i replaced the control board yesterday. I still have the same error code.

    Rheem said I should have replaced both at the same time. They are overnighting them both.
    I have pulled the fan motor and the control board awaiting delivery.

    Is there anything else that can cause the error? I'm apprehensive at this point.
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