8-4 BA D18 us* 1.1 * D18b800.fm
8 Malfunctions
8.4 General malfunctions
Malfunction Possible cause Remedy See
Engine does not start or is not easy to
start
Empty fuel tank Refueling 7-20
Malfunctioning or empty battery Replace the battery 7-15
Malfunctioning fuse Check the fuse 9-6
Electronic feed pump is not
running
Contact a Wacker Neuson
service center
--
Machine travel cannot be started
Parking brake applied Release the parking brake 5-4
No travel direction selected Select a travel direction 5-3
Engine speed too low Press the accelerator pedal 5-3
Malfunctioning operator pres-
ence switch (option)
Contact a Wacker Neuson
service center
--
Temperature of traveling drive
is too low
Let the machine run warm --
Reduced drive output
Technical malfunction
Contact a Wacker Neuson
service center
--
Oil temperature too low Let the engine run warm 4-35
Operating temperature too high
Let the engine cool down at
idling speed and then contact
a Wacker Neuson service
center
--
Maintenance not performed Perform maintenance --
Speed ranges cannot be changed
Service brake pressed too
lightly
Press the service brake with
more force
--
Machine not at a standstill
Stop the machine to a com-
plete standstill
--
Malfunctioning fuse Check the fuse 9-6
Malfunctioning hydraulic system
Contact a Wacker Neuson
service center
--
Malfunctioning limit switch in
gearbox
Contact a Wacker Neuson
service center
--
Maximum travel speed is not reached
Eco function enabled Disable the Eco function 5-11
Speed range 1 selected
Select speed range 2 (DW90/
100 only)
5-11
Engine starts, but does not run
smoothly or dies
Air in fuel system Bleed the fuel system 7-22
Black engine smoke (Tier III) or
output loss (Tier IV)
Dirty air filter
Contact a Wacker Neuson
service center
--
Blue engine smoke Oil level too high
Contact a Wacker Neuson
service center
--
Machine pulls to the right or left
Damaged steering cylinder
Contact a Wacker Neuson
service center
--
Uneven wear of the tires
Contact a Wacker Neuson
service center
--