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  • Alliance Machine display shows "EC19"
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The machine display shows "EC19".

Possible Causes

  1. Machine is not in card / serial mode.
  2. Machine is in card mode but is not communicating with card reader.
  3. The MLV harness has been assembled incorrectly.


  1. Ensure the C-0110-CP jumper is connected to the machine's control board.
  2. Power cycle the machine. This must be done AFTER the jumper is connected.
  3. Check to make sure all wires on the MLV harness are in the correct position. (Brown wire may be in the wrong pin position)