John Deere 1528: Drop Rate Valve Driver Fault

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

1. 1

   Drop Rate valve driver

2. 2

   Drop Rate Valve

3. 3

   Header Control Unit

1. 1

   Inspect

   Inspect the Drop Rate valve driver for signs of damage, wear, or overheating.

2. 2

   Test

   Test the Drop Rate valve driver for open circuits, short circuits, over voltage, or over temperature conditions.

3. 3

   Check

   Check the connection and wiring between the Drop Rate valve driver and the Header Control Unit.

4. 4

   Replace

   If the fault persists, replace the Drop Rate valve driver if it is found to be faulty.

5. 5

   Verify

   After repairs, verify that the Header Control Unit can actuate the Drop Rate Valve without triggering the fault code.