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GB
9
Troubleshooting
Repair
• Remove and clean the
filter (see paragraph
“MAINTENANCE /
CLEANING”).
• Remove the lance from
the gun and clean the
nozzle with the pin
provided.
Fault
Cause
Repair
The pump runs but
there is no pressure.
• Insufficient water.
• Suction filter fouled.
• Nozzle regulator valve
in lowest pressure
setting.
• Lance nozzle worn.
• Suction or delivery
valves fouled or worn.
• Check that the delivery
rate is at least 12 l/min.
• Remove and clean the
filter.
• Increase pressure by
turning the pressure
regulator on the
nozzle.
• Contact your
authorised customer
service centre.
Fault
Cause
U n e v e n w o r k i n g
pressure.
• Lance nozzle fouled or
dirty.
• Air in intake water.
• Suction filter fouled.
• Suction or delivery
valves fouled or worn.
• Gaskets worn.
• Pressure regulator
valve gaskets worn.
Repair
• Remove the lance from
the gun and clean the
nozzle with the pin
provided.
• Supply the machine
with water correctly.
• Remove and clean the
filter (see paragraph
“MAINTENANCE /
CLEANING”)
• Contact your
authorised customer
service centre.
Fault
Cause
Repair
T h e m o t o r s t o p s
suddenly.
• The appliance has
been automatically
stopped by the
overload cutout
system.
• Unsuitable electrical
extension lead.
• Let the motor cool for
a few minutes. Contact
your authorised
customer service
centre if the problem
persists.
• See chapter “Safety
guidelines / electrical
power supply”.
Fault
Cause
Abnormal noise.
• Suction filter fouled.
• Intake water
temperature too high.
• Suction or delivery
valves fouled or worn.
• Bearings worn.