CLAAS 763Dh: TR2 (A57-2) Unit 12 V supply voltage is less than 7 V after switching on the ignition (component 2)

The 12 V supply voltage for the unit is below 7 V immediately after the ignition is turned on. This may indicate a problem with the power supply or the component identified by this code.

1. 1

   The 12 V supply voltage to the unit

2. 2

   The connection and condition of the power supply wiring to component 2

3. 3

   The functionality of the unit itself

1. 1

   Check the 12 V supply voltage

   Use a multimeter to measure the voltage at the power supply input of the unit.

2. 2

   Inspect the wiring and connections

   Check for loose, damaged, or corroded wiring and connections related to the power supply of component 2.

3. 3

   Test the unit

   If the voltage is correct, test the unit to determine if it is functioning properly.