Group code f-e-e4e25d7d6c-: “airdryer <A> mcu upgrade fail”

Situation

Solution

The fpga of the Air Dryer <A> is not configured.

  1. Try to upgrade the firmware of the Air Dryer <A>.

  2. If after several attempts the problem persist replace the Air Dryer <A>. See service procedure "Replacement of a Large Air Dryer", or "Removal of the Small Airdryer assembly".