Deutz-Fahr 1090: SCR: Open Load Heater Relay Return Line SCR Heater Relay DEF Return Line Primary Side; Cable Break

The fault code indicates an issue with the return line of the SCR heater relay on the primary side, specifically related to the DEF return line. A cable break is reported, which is likely causing the fault.

1. 1

   The cable associated with the SCR heater relay return line

2. 2

   The connection points of the DEF return line on the primary side

3. 3

   The integrity of the circuit for the SCR heater relay

1. 1

   Inspect

   Inspect the cable associated with the SCR heater relay return line for any visible damage or breaks.

2. 2

   Test

   Test the continuity of the cable to identify any breaks or poor connections.

3. 3

   Repair or Replace

   If a break is found, repair or replace the affected cable as needed.