
3-4L43C, 3-4M43, 3-4M43Z
Faults
HATZ
97
Manual
Flashing signal
Flashing – Pause
Possible causes
Remedy
Chapter
1 long
– 1
Area affected:
Regeneration of
the diesel particu-
late filter
(first
warning level)
Diesel particulate filter is strongly loaded with soot
particles.
▪ Regeneration
process has
been suppressed
for a long time.
Activate the regen-
eration process
(see Explanation of
symbols).
7.4 Starting
the engine,
page 35
▪ Regeneration
process has
been interrupted
several times by
engine stops.
If permitted by the
working environ-
ment, do not switch
off the engine dur-
ing the regenera-
tion process.
▪ Operation of the
fuel evaporator
impaired.
Check the fuel
evaporator (vapor-
izer).
8.2.17
Check the
fuel evapo-
rator (vapor-
izer) and
clean if nec-
essary.,
page 81
2 long
- 1
Area affected:
Regeneration of
the diesel particu-
late filter
(second
warning level)
The diesel particu-
late filter is blocked
and must be condi-
tioned.
Have the diesel
particulate filter ex-
changed and pro-
fessionally condi-
tioned as part of
the Hatz Easy-
Clean program.