Deutz-Fahr 1858: Reverse Valve Blocked Leading to Increased Ad Blue Pump Pressure During System Drainage

The fault code indicates that the Reverse Valve is blocked, causing the Ad Blue Pump Pressure to increase during system drainage. This condition may affect the proper operation of the system and requires attention.

1. 1

   Reverse Valve

2. 2

   Ad Blue Pump Pressure

1. 1

   Inspect

   Inspect the Reverse Valve for blockage or obstruction.

2. 2

   Clean or Replace

   If the Reverse Valve is found to be blocked, clean or replace it as necessary.

3. 3

   Monitor

   Monitor the Ad Blue Pump Pressure after the repair to ensure the issue is resolved.