Faults 3-4L43C, 3-4M43, 3-4M43Z
92
HATZ
Manual
Possible causes Remedy Chapter
▪ Fuel prefilter or main
fuel filter is clogged.
Change the fuel filter. 8.2.9 Changing
the fuel prefilter,
page 63
8.2.14 Change
the main fuel fil-
ter, page 73
▪ Inadequate tank
venting.
Ensure that the tank is suffi-
ciently vented.
▪ Line connections are
not leak tight.
Check the line screw connec-
tions for leak tightness.
Engine becomes very hot. Indicator lamp for engine temperature (option)
lights up.
Possible causes Remedy Chapter
Too much engine oil in
the engine.
Drain the engine oil to the up-
per mark of the dipstick.
7.8 Checking the
oil level and
adding oil if nec-
essary, page 43
Inadequate cooling:
▪ Contamination in the
entire area of the
cooling air guides.
Clean the cooling air area. 8.2.7 Cleaning
the cooling fan,
cooling fins and
oil cooler, page
58
▪ Incompletely closed
air guide parts or
capsule parts.
Check the air guide parts and
shafts for completeness and
good sealing properties.
9.2 Flash code table for engine faults
When engine faults occur, a flashing signal is shown on the indicator lamp
for "Engine fault" (see Explanation of symbols, chapter 7.4 Starting the en-
gine, page 35). The table below shows possible flashing signals, their mean-
ing, as well as measures for remedies.
If the listed fault cases have been worked through but the fault continues to
persist, please contact your nearest HATZ service.
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