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Solved hotend fan and lights not on

Discussion in 'Troubleshooting' started by crazyshakespeare, Feb 19, 2018.

  1. crazyshakespeare

    crazyshakespeare Member

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    In the middle of a print i noticed my hotend fan and led lights are no longer on....The fan works...not sure about the leds....Any way to fix it?
     
    #1 crazyshakespeare, Feb 19, 2018
  2. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
    Staff Member

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    If it is plugged in and the fan doesn't spin when printing it could be a bad RAMPS board. That happens when companies use the lowest cost supplier for Chinese electronics. Do not print with that fan not running you will clog the entire hotend as the heat creeps up from the hot zone into the cold zone.
     
    #2 WheresWaldo, Feb 20, 2018
    Geof likes this.

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