New Holland 1903 – UCM: Power Supply Issue: UCM Supply Voltage Below Operational Limit

The UCM has detected that the supply voltage is below the operational limit, which may affect the proper functioning of the system. This fault indicates a problem with the power supply to the UCM.

1. 1

   Power supply connections

2. 2

   Battery voltage

3. 3

   Wiring to the UCM

4. 4

   UCM power input circuit

1. 1

   Check power supply connections

   Inspect all connections to the power supply and ensure they are secure and free from corrosion or damage.

2. 2

   Measure battery voltage

   Use a multimeter to verify that the battery voltage is within the specified range for the system.

3. 3

   Inspect wiring to the UCM

   Check the wiring between the power source and the UCM for any signs of damage, wear, or loose connections.

4. 4

   Test UCM power input circuit

   Verify that the power input circuit to the UCM is functioning correctly and delivering the required voltage.