Pressure drop
Pressure fluctuations or
pressure drop
Oil leakage
Motor does not start when
switched on
Motor hums when
switched on and does not
start
Motor cuts out
Additives are not being
supplied
Air in system
Worn high pressure nozzle.
Pressure regulator incorrectly
set
No water
Water supply hose too long/too
small diameter
No water due to clogged filter
Worn seals
Plug is not connected properly.
Mains fuse blown/switched off
Mains voltage too low
Incorrect dia cable resulting in
voltage drop
Trigger Switch not operated
Motor protection switch has
been activated due to
overheating or motor overload
Nozzle clogged
Injector clogged
Additive container empty
Lance not correctly set
Bleed system by quickly switching
off pistol grip several times. If
necessary operate the machine
briefly without the high pressure
hose connected.
Renew nozzle
Set to required working pressure by
turning hand grip
Turn on water tap
Use minimum 1/2" dia. water supply
hose
Clean water filter (never operate
without filter)
Contact your CLARKE Distributor
Check plug and lead and have them
replaced by a qualified electrician if
necessary
Rectify
Have electrical connection checked
Use correct diameter of cable
Operate trigger
Ensure supply voltage and unit
voltage are equal. Switch off and
allow to cool for at least three
minutes before trying again.
Clean using the supplied nozzle
cleaning needle
Clean
Fill additive container
Set the lance to low pressure by
screwing the pressure adjuster
clockwise
FAULT
CAUSE
REMEDY
TROUBLE SHOOTING
9