24
Troubleshooting
ISSUE
POSSIBLE CAUSES
CORRECTIVE ACTION
Pump does not reach
working pressure
Nozzle worn
Replace nozzle
Water filter fouled
Clean filter
Insufficient water supply
Turn on water supply tap
fully
Air being sucked into
system
Check tightness of hose
fittings
Air in pump
Switch off the appliance
and keep depressing and
releasing the gun trigger
until the water comes out
in a steady flow. Switch the
appliance back on again.
Adjustable nozzle not
positioned correctly
Adjust the nozzle and make
sure it clicks
Thermostatic valve tripped
Wait for correct water
temperature to be restored
Water being sucked from
an open container from a
height of more than 0.5m
Reduce the suction height
Pump pressure drops
suddenly during use
Water being sucked from
an external tank
Connect appliance to the
mains water supply
Inlet water too hot
Reduce temperature
Nozzle clogged
Clean nozzle with supplied
pin
Inlet filter fouled
Clean filter
Water leakages
Seals worn
Have the seals replaced
at your nearest Authorised
Service Centre
Safety valve tripped and
discharging
Contact an Authorised
Service Centre
Appliance noisy
Water too hot
Reduce temperature (see
specs)