Hatz 1B30 - Engine switches off spontaneously during operation; With automatic electrical switch-off mechanism (option)

Faults 1B20, 1B30, 1B40, 1B50
90
HATZ
Manual
Engine switches off spontaneously during operation
Possible causes Remedy Chapter
The tank ran out of fuel
during operation.
Fill with fuel. 7.7 Refueling,
page 51
Fuel filter is clogged. Change the fuel filter. 8.2.11 Changing
the fuel filter,
page 79
Tank vent is clogged. Ensure that the tank is suffi-
ciently vented.
Air in the fuel system. Check the fuel system for air
ingress.
Check the bleed valve.
Mechanical faults. Contact Hatz Service.
With automatic electrical switch-off mechanism (option)
Possible causes Remedy Chapter
Stop signal of monitoring elements for:
▪ Oil pressure too low. Check the oil level. 7.6 Check the oil
level, page 48
▪ Engine temperature
too high.
Check the cooling air guides
for contamination or other im-
pairments.
8.2.8 Clean the
cooling air area,
page 71
▪ Defective alternator
(only for "External
valve box" version).
Contact HATZ Service.
▪ Motor runs at over-
speed (only with
"Valve box mounted
on the engine" ver-
sion).
Contact HATZ Service.
Fault signal from the overvoltage and polarity protection system in
the voltage regulator:
▪ Battery and/or other
cable connections
are incorrectly con-
nected.
Check the electrical equipment
and its components or contact
Hatz service.
Electrical equip-
ment
▪ Loose contacts on
cable connections.