New Holland 3546 – New Holland Engine: SCR Dosing Valve Overheat Protection Activated

The SCR dosing valve has triggered overheat protection, resulting in torque limitation level 1 to protect the SCR system. This condition indicates that the dosing valve is operating at a temperature that requires reduced engine performance to prevent damage.

1. 1

   The temperature of the SCR dosing valve

2. 2

   The operation of the cooling system related to the SCR dosing valve

3. 3

   The integrity of the sensors monitoring the SCR dosing valve temperature

1. 1

   Check the temperature of the SCR dosing valve

   Use a temperature sensor or infrared thermometer to measure the temperature of the SCR dosing valve.

2. 2

   Inspect the cooling system

   Verify that the cooling system for the SCR dosing valve is functioning properly and that there are no blockages or leaks.

3. 3

   Verify sensor functionality

   Test the sensors that monitor the temperature of the SCR dosing valve to ensure they are providing accurate readings.