Hatz 4H50TIC - Page 90

Type of fault Possible causes Remedy Chapter
Irregularities in the
electrical equip-
ment, such as:
▪ Loose contacts
on cable connec-
tions.
▪ Faulty three
phase alternator.
▪ Faulty relay.
Check the electri-
cal equipment and
its components,
contact Hatz serv-
ice if necessary.
3.2.4 Elec-
trical equip-
ment,
page 18
The engine loses
power and speed.
Engine runs due to
an error in the
emergency pro-
gram.
Switch off the en-
gine, wait for a min.
of 2 minutes, then
restart the engine.
(This deletes minor
errors).
7.5 Switch-
ing off the
engine,
page 45
7.3 Starting
the engine,
page 39
The fuel supply is
impaired
▪ The tank ran out
of fuel during op-
eration.
▪ Fuel prefilter or
fine filter is clog-
ged.
▪ Inadequate tank
venting.
▪ Line connections
are not leak tight.
Add fuel.
Change the filter.
Ensure that the
tank is sufficiently
vented.
Check the line
screw connections
for leak tightness.
7.7 Refuel-
ing, page 49
8.2.12
Changing
the fuel pre-
filter,
page 74
8.2.13
Changing
the fuel fine
filter,
page 77
The engine loses
power and speed,
and black smoke
emerges from the
exhaust.
Dirty air filter unit. Check the degree
of dirt contamina-
tion of the air filter,
and clean or renew
it if necessary.
8.2.14 Serv-
icing the air
filter (option-
al), page 80
Turbocharger faulty
or leaking hoses.
Check hoses or
contact Hatz serv-
ice.
Injector not fully
functional.
Contact Hatz serv-
ice.
4H50TIC Faults
HATZ
Operator's Manual 91