John Deere 1529: Accumulator Shutoff Valve Driver Fault

The Accumulator Shutoff Valve driver has detected an open, short, over voltage, or over temperature condition. The Header Control Unit is unable to actuate the Accumulator Shutoff Valve until the fault condition is resolved.

1. 1

   Accumulator Shutoff Valve driver circuit

2. 2

   Accumulator Shutoff Valve wiring

3. 3

   Power supply to the Accumulator Shutoff Valve driver

4. 4

   Temperature conditions around the Accumulator Shutoff Valve driver

5. 5

   Voltage levels in the circuit

1. 1

   Inspect

   Inspect the Accumulator Shutoff Valve driver circuit for signs of damage, wear, or disconnection.

2. 2

   Test

   Test the Accumulator Shutoff Valve wiring for continuity and proper insulation.

3. 3

   Check

   Check the power supply to the Accumulator Shutoff Valve driver for correct voltage levels.

4. 4

   Monitor

   Monitor the temperature conditions around the Accumulator Shutoff Valve driver to ensure it is within acceptable limits.

5. 5

   Clear

   Once the fault condition is resolved, clear the fault code and verify that the Header Control Unit can actuate the Accumulator Shutoff Valve.