MTU 16V4000L32FNER Operating Instructions Manual page 162

1030 – LO P-Crank Case
Yellow alarm.
Associated parameter 2.0106.935
Cause
Crankcase pressure too low (limit
value 1). Restrictor valve in
crankcase breather too widely
open, faulty air filter.
1031 – LOLO P-Crank Case
Red alarm. Engine shutdown.
Associated parameter 2.0106.936
Cause
Crankcase pressure too low (limit
value 2). Restrictor valve in
crankcase breather too widely
open, faulty air filter.
162 | Troubleshooting | MS150121/02E 2017-09
Corrective action
1. Check air filter for damage, replace if damage is visible .
2. Check setting of blow-by restrictor valve.
Corrective action
1. Check air filter for damage, replace if damage is visible .
2. Check setting of blow-by restrictor valve.