Check EES Air Valve Control

The air control valve is ordered to 90% closed with no engine RPM change; pretrip fails and displays “PRETRIP FAIL AND COM- PLETED”.

Air control valve has been ordered to 90% closed and there is no change in engine RPM.

Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.

Auto reset if Pretrip is started again, or alarm may be manually reset via keypad or by turning the unit off, then back on again