Technical data

5.Error Search and Error Elimination DBW 2010 / 2012 / 2020 / 2022 / 300 / 350
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5.4.3 The heating device starts to work only after a few trials
5.4.4 The heating device stops by itself while working
YES
NO
Does dense smoke come out
of the exhaust at the
unsuccessful trials?
No
No
The fuel level is fallen during
the time the heating device
has not worked. Check the
suction and return line. Do
you see any leakage?
The fuel pump is defective.
Replace it. The pressure
regulation valve is clogged.
Seal it.
Does the arc jump from the
high voltage cables?
The induction bobbin is
defective. Replace it.
The high voltage cable is
defective.
Refer to 5.4.7
Does the arc jump from the
insulation of the ignition
electrodes?
The ignition electrode is
defective. Replace it.
YES
NO
Does the heating device start
working after a new trial?
Does the heating device react
in any way?
Refer to 5.4.7
The heating device passes
over to defect status after
approximately 30 seconds (24
seconds with the control
device 1563/64). Refer to 5.4.2
The fuel intake from the tank
was interrupted for a rather
long period.