Case IH NH3116: Main Relay Defect - Source High

The system has detected a defect in the main relay, indicating an issue with the power supply or control circuit associated with the main relay. The fault is triggered when the source voltage is high, suggesting a potential problem with the relay's operation under these conditions.

1. 1

   Main relay

2. 2

   Power supply circuit

3. 3

   Voltage levels at the main relay

1. 1

   Inspect

   Check the main relay for visible damage or signs of overheating.

2. 2

   Test

   Measure the voltage at the main relay to confirm if it is operating within expected parameters.

3. 3

   Replace

   If the main relay is found to be defective, replace it with a compatible component.