CLAAS A13Dh: Supply of the 8 valve above max – Check the voltage delivered by the alternator value. and battery

The fault code indicates that the supply to the 8 valve is above the maximum allowed level. This may be caused by an issue with the voltage delivered by the alternator or battery. If the error reoccurs after clearing, the 8 valve may need to be replaced.

1. 1

   The voltage delivered by the alternator

2. 2

   The voltage of the battery

3. 3

   The condition of the 8 valve

1. 1

   Check the voltage delivered by the alternator

   Use a multimeter to measure the voltage output of the alternator while the engine is running.

2. 2

   Check the battery voltage

   Measure the battery voltage with a multimeter to ensure it is within the correct range.

3. 3

   Clear the fault code

   Follow the manufacturer's procedure to clear the fault code from the system.

4. 4

   Monitor the system

   Operate the machine and observe if the fault code reappears.

5. 5

   Replace the 8 valve if the error reoccurs

   If the error appears again after clearing, replace the 8 valve.