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All controller inputs read 999.9 volts and controller error log shows error number 0x00002809.


All inputs on an i2920 controller read 999.9 even when all input connections are removed.


  • Inputs
  • 0x00002809
  • 999.9


The 0x00002809 error is logged by the Analog to Digital conversion process when the V Zero is greater than the V Reference.  This would indicate a controller calibration failure or a controller hardware failure.


The controller should be returned for repair.

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