Clarke Power Wash EHD130, Operating & Maintenance Instructions

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Pressure drop
Pressure fluctuations or
pressure drop
Oil leak
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 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 overload of
motor
Nozzle clogged
Injector clogged
Additive container empty
Lance and/or detergent flow
regulator not correctly set
Bleed the system by quickly
operating trigger 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" diameter
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
Switch on mains fuse
Check electrical connection
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
Clean using the supplied nozzle
cleaning needle
Clean
Fill additive container
Put lance on low pressure or
screw the knurled ring out to
increase flow.
FAULT CAUSE REMEDY
TROUBLE SHOOTING
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