8 Tips and assistance
77
Error message
Possible causes / solution
Measurement gas
flow in the area of
the nozzle too great.
See instruction
manual.
Cone seal in the cover of the particulate matter sensor
is damaged, dirty or not inserted.
> Check cone seal.
Sealing surface of the nozzle is dirty.
> Clean
sealing
surface.
Wrong nozzle selected.
> Check nozzle calibration data.
Nozzle defective.
> Please change the nozzle.
Pump flow of the
crude gas pump is
too low. No valid
measurement
possible.
See instruction
manual!
Crude gas tube is kinked.
> Check crude gas tube.
Primary filter, secondary filter or cotton filter blocked.
> Change relevant filter.
Sensor module
temperature not
reached. See
instruction manual!
Sensor module not connected correctly.
> Check the sensor module contact.
Probe
communication
interrupted. Please
check probe
connection. See
instruction manual!
Probe not correctly plugged in.
> Check
plug-in
connection.
