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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
TROUBLESHOOTING
FAULT
CAUSE
SOLUTION
When the main
switch is turned on
the machine does
not start
Plug not properly
connected.
Carefully check the plug and
the electric cable.
Plug fuses are burnt out. Check them and replace them.
The motor hums but
does not start
Low voltage.
Contact CLARKE service.
High pressure pump is
blocked.
Contact CLARKE service.
The motor stops
suddenly or after a
while
The motor-protecting
switch is on because of
insufficient mains
voltage.
Check the value of the mains
voltage.
Contact CLARKE service.
When the lance is
turned on pressure
values decrease
and increase
The nozzle is either
clogged or deformed.
Either clean it or replace it.
Either boiler coil or lance
are clogged with
limestone.
Contact CLARKE service.
Too much vibration
at the delivery
The pressure tank is run
down.
Contact CLARKE service.
The valves are worn out
or dirty.
Contact CLARKE service.
The pump does not
reach the fixed
pressures
The pump sucks air.
Check the suction pipes.
All other causes
Contact CLARKE service.
Irregular pressure
fluctuations
The suction and/or
delivery valves are worn
out.
Contact CLARKE service.
Presence of foreign
matters in the valves,
Contact CLARKE service.
The seals are worn out.
Contact CLARKE service.
Pressure leakage
The nozzle is worn out.
Replace the nozzle.
All other causes
Contact CLARKE service.
Noisiness
Inlet water temperature
too high.
Reduce the water temperature.
All other causes
Contact CLARKE service.
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