New Holland 3139 – Engine: Metering Unit Signal Range Check - Signal Too High

The system has detected that the signal from the metering unit is outside the expected range, specifically it is too high. This may affect the proper operation of the component or system associated with the metering unit.

1. 1

   The metering unit signal output

2. 2

   The wiring or connections to the metering unit

3. 3

   The calibration of the metering unit

1. 1

   Inspect

   Inspect the wiring and connections to the metering unit for damage, corrosion, or loose contacts.

2. 2

   Test

   Test the signal output of the metering unit using the appropriate diagnostic equipment.

3. 3

   Calibrate

   If the signal is out of range, recalibrate the metering unit according to the manufacturer's specifications.