Faults
3H50, 4H50
118
HATZ
Manual
At low temperatures (engine does not start)
Possible causes
Remedy
Chapter
Oil is too viscous and
causes a too low
starter speed.
Change the engine oil and oil
filter.
Add engine oil with a suitable
viscosity class.
8.2.6 Changing
the engine oil
and oil filter,
page 86
Insufficiently charged
battery.
Check the battery and contact
the service center if necessary.
3.2.4 Electrical
equipment, page
18
Machine is not uncou-
pled.
If possible, separate the engine
from the machine by uncou-
pling it.
The starter does not switch on and the engine does not turn.
Possible causes
Remedy
Chapter
Irregularities in the electrical equipment:
Battery and/or other
cable connections are
incorrectly connected.
Check the electrical equipment
and its components or contact
Hatz service.
3.2.4 Electrical
equipment, page
18
Cable connections are
loose and/or oxidized.
Battery is faulty and/or
not loaded.
Faulty starter.
Faulty relay, monitor-
ing elements, etc.
Engine switches off spontaneously during operation.
Possible causes
Remedy
Chapter
The tank ran out of fuel
during operation.
Fill with fuel.
Mechanical faults.
Contact HATZ Service.
Electrical defects.
Check wiring or contact HATZ
Service.
