8) TROUBLESHOOTING
No. Fault
Plunger discs cannot
1
enter the cartridge
Cartridge cannot be
2
removed from dispenser
Dispensing is interrupted
3
Unable to discharge
4
material
Leaking air noise
5
Uneven dispensing speed
6
Instruction handbook DP2X
Version 1.0 · 8.10.19
Cause
• Cartridge not fully inserted in
cartridge holder
• Foreign matter in cartridge guide
• Wrong diameter of plunger discs
installed
• Plunger discs are still in position
inside the cartridge
• Compressed air supply has been
interrupted
• Material has cured in the mixer
• Pressure not high enough
• Inlet pressure too high –
safety valve blowing off
• Leakage at compressed air
connection
• Leakage from handle
• Foreign matter in driving unit /
damaged sealing
7 of 10
Remedy
• Check that the correct cartridge
holder is installed and is not
damaged. Push cartridge fully down
into the cartridge sleeve.
• Remove foreign matter from
cartridge guide (do not use sharp
tools).
• Check the correct diameter of
plunger discs. Change plunger
discs if necessary.
• Fully retract the plungers by using
the retract button (check dispense
volume indicator).
• Check compressed air supply
pressure. Check connection to
dispenser.
• Replace the mixer. Refer to mixer-
open-time in technical data sheet of
materials to be dispensed.
• Gradually increase the pressure by
turning the pressure regulation
valve.
• Check and reduce inlet pressure to
adequate level.
• Check and tighten the adapter.
• If the source of air leakage is inside
the handle please send the device
to the manufacturer or authorized
service station for inspection.
• Send device to manufacturer
or authorized service station for
inspection (never use solvents to
clean the air path).
EN