Faults
3-4L43C, 3-4M43, 3-4M43Z
96
HATZ
Manual
Flashing signal
Flashing – Pause
Possible causes
Remedy
Chapter
10 – 1
Area affected:
Control unit for
diesel particulate
filter (DPF)
Power supply to
the unit outside the
permissible range.
Possible faults on:
▪ Cabling
▪ Battery
▪ Three phase al-
ternator
Faulty control unit.
Contact Hatz ser-
vice.
12 – 1
Area affected:
Control unit com-
munication
Faulty communica-
tion to different
control units.
Check the cabling,
contact
Contact Hatz ser-
vice.
14 – 1
Area affected:
Air filter-mainte-
nance display
Dirty air filter unit.
Service the air fil-
ter.
8.2.10 Main-
taining the
dry air filter,
page 65
15 – 1
Area affected:
Coding plug
Coding plug is
missing or faulty.
Install or replace
the coding plug.
Coding plug is not
suitable for the
data set of the con-
trol unit for the
diesel particulate
filter.
Install a correct
coding plug, con-
tact HATZ service
if required.
16 – 1
Area affected:
Engine emer-
gency running
program
Engine is in the
emergency running
program.
Contact Hatz ser-
vice.
