Hatz 4H50TIC - 9 Faults; 9.1 Fault table

9 Faults
9.1 Fault table
General troubleshooting notes
If the cases listed below have been worked through but the fault continues to
persist, please contact your nearest Hatz service station.
Type of fault Possible causes Remedy Chapter
The engine does
not start or does
not start immedi-
ately, but it can be
turned with the
starter.
No fuel at the high
pressure pump.
Refuel. 7.7 Refuel-
ing, page 49
Systematically
check the entire
fuel supply.
If this does not
yield results:
▪ Open the shutoff
valve.
▪ Check the feed
line to the en-
gine.
▪ Check the fuel
prefilter.
▪ Check the fuel
fine filter.
▪ Check the func-
tion of the feed
pump.
8.2.12
Changing
the fuel pre-
filter,
page 74
8.2.13
Changing
the fuel fine
filter,
page 77
Insufficient
compression.
Contact Hatz serv-
ice.
Cylinder and/or pis-
ton ring wear.
Contact Hatz serv-
ice.
Injector not fully
functional.
Contact Hatz serv-
ice.
Hydraulic load too
high (especially for
multiple hydraulic
pumps).
Reduce the hy-
draulic load – if
possible.
For low tempera-
tures (engine does
not start)
Pre-glow system
defective.
Contact Hatz serv-
ice.
Faults 4H50TIC
86 Operator's Manual
HATZ