Massey Ferguson 9021: 5 V DC Supply 1 Low Fault

The system has detected a low voltage condition in the 5 V DC supply 1 circuit. This may affect the proper operation of connected components relying on this power source.

1. 1

   Power supply output voltage

2. 2

   Wiring and connections to the 5 V DC supply 1 circuit

3. 3

   Power source integrity

1. 1

   Measure the voltage of the 5 V DC supply 1 circuit

   Use a multimeter to verify that the voltage is within the expected range as specified in the service manual.

2. 2

   Inspect the wiring and connections

   Check for loose, damaged, or corroded wiring and connections related to the 5 V DC supply 1 circuit.

3. 3

   Verify the power source

   Ensure that the power source providing the 5 V DC supply 1 is functioning correctly and is properly connected.