DISPLAY AND CONTROL ELEMENTS 4
MHL380 D 4.39
4.7.3 Coolant level
Risk of scalding by hot coolant.
Risk of burns due to hot machine
parts
• Do not top up coolant unless the
diesel engine has cooled down
In an emergency: Administer first
aid, seek treatment from a doctor
Too low,
after 10
seconds
Start of the warning levels
Warning buzzer sounds at intervals
of one second
Indicator (66/38) and following text
issued (66/47): „COOLANT"
"FILLING LEVEL"
after 20
seconds
Continuous warning buzzer for 10
seconds
after 30
seconds
Indicator (66/46) and following text
issued (66/47): "WORK
HYDRAULICS" "DISABLED"
Disable the travel and work func-
tions
Sufficient
Warning levels are reset
Travel and work functions enabled
again
Optical and acoustic warnings can-
celled again
Measures to be taken when a warning oc-
curs
â–º
Switch off the diesel engine as quickly as
possible.
â–º
Visual inspection for potential leaks.
â–º
Top up coolant.
â–º
If the warning message persists, call for
service personnel.
Fig. 66 Monitoring the coolant level
38 Coolant level or hydraulic oil level indicator
46 Travel and work functions disabled indicator
47 Text output for the indicator displays
68 Engine control system fault display