4 DISPLAY AND CONTROL ELEMENTS
4.42 MHL380 D
4.7.6 Air filter differential pressure
Too high
Indicator (69/39) and following
text issued (69/47): "AIR FILTER"
"CONTAMINATION"
Low
Visual warnings cancelled again
Measures to be taken when a warning oc-
curs
â–º
Switch off the diesel engine as quickly as
possible.
â–º
Clean the air filter.
â–º
If the warning message persists, call for
service personnel.
4.7.7 Charge pressure
Too high
Warning levels start
Indicator (69/68)
Reduction of the diesel engine
output to 70%
Normal
Optical warning cancelled again
Engine output enabled again
Measures to be taken when a warning oc-
curs
â–º
Switch off the diesel engine as quickly as
possible. Call for service personnel.
4.7.8 Fuel pre-filter
Too high
Indicator (70/37) and following
text issued (70/47): „WATER" "IN
FUEL"
Low
Visual warnings cancelled again
Measures to be taken when a warning oc-
curs
â–º
Switch off the diesel engine as quickly as
possible.
â–º
Drain the fuel pre-filter.
â–º
If the warning message persists, call for
service personnel.
Fig. 69 Monitoring the air filter differential pressure
39 Air filter differential pressure indicator
46 Travel and work functions disabled indicator
47 Text output for the indicator displays
Fig. 70 Monitoring the fuel pre-filter
37 Water in fuel indicator
46 Travel and work functions disabled indicator
47 Text output for the indicator displays