1B30E, 1B50E / 02 - Rev. 01 Faults
HATZ
77Manual
9 Faults
9.1 Troubleshooting
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.
The engine fault indicator on the HATZ instrument box lights up during op-
eration.
Possible causes Remedy Chapter
Various errors in differ-
ent assemblies.
Use the flash code table to
identify and eliminate errors.
9.2 Flash code
table for engine
faults, page 81
The engine does not start or is difficult to start, but can be turned easily as
usual
Possible causes Remedy Chapter
The tank ran out of fuel
during operation.
Add fuel. 7.6 Refueling,
page 47
Fuel filter is clogged. Change the fuel filter. 8.2.10 Changing
the fuel filter,
page 70
Electrical fuel pump is
not working.
Check the cabling.
Injection nozzle is not
functional.
Contact HATZ service.
Insufficient compression:
▪ Wrong tappet clear-
ance.
Check the tappet clearance
and adjust if necessary.
8.2.6 Checking
and setting the
tappet clearance,
page 63
▪ Cylinder and/or pis-
ton ring wear.
Contact HATZ service.
Model with diesel particulate filter:
Diesel particulate filter
is clogged.
Contact HATZ service.
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