Maintenance monitoring
This function is used to activate or inactivate the maintenance monitoring of the air dryer.
Test prerequisites:
Battery voltage above 20 V.
The parking brake must be applied.
Ignition on.
Procedure:
Apply the parking brake.
Press "OK".
Select whether you want to activate or inactivate the maintenance monitoring.
Press "OK" to exit the function.
End the diagnosis! Then turn off the ignition and wait 10 seconds before turning the ignition back on.
If the function fails, check the test conditions and repair any faults.