54 Error

54.XX ERROR
A device command error has occurred.

55.XX.YY DC CONTROLLER ERROR
The engine is not communicating with the formatter.
1. Verify that the flat ribbon cable between the ECU and the formatter PCA is connected.
2. If the message persists, replace the ECU. If the message still persists,replace the formatter.

57.03 ERROR (FM2) & 57.04 ERROR (FM1)
A sub cooling fan error has occurred. Fan operation is verified during device powerup.
Fan operation occurs only during powerup or during a print job.
1. Verify that nothing is hindering or blocking the fan.
2. Verify that the fan is connected to connector on the ECU PCA.
4. If the message persists, replace the fan.