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Problem
Problem Cause
Remedy
Trouble Shooting Guide
24
When switched On
the machine will
not start working
Plug is not well connected or
electric socket is faulty.
Check plug, socket and fuses.
Check the main voltage is
adequate.
The trigger
The motor stops
suddenly
Thermal safety switch has
tripped due to overheating.
Check that the main voltage
corresponds to specifications.
Switch off the unit and let it
cool for a few minutes.
Fluctuating
pressure
Pump sucking air.
Valves dirty, worn out or
stuck.
Pump seals worn out.
Check that connections between
hose and faucet, water inlet
enter are tight, check that crack
axist on host
The pump does
not reach the
necessary pressure
Check lance nozzle or Contact
dealer for check and repaired
Water leaking from
the pump
The machine can
not suck soap
Seal worn out.
Follow the 12 instructions to
adjust.
The main voltage is insufficient
,
lower than minimum
requirement
Trigger in off mode
Contact dealer for check and
repaired
Water inlet filter I clogged.
Pump sucking air from
connections or hoses.
Cheek valve or plunger or
seal broken.
Safety valve spring loosen.
Lance nozzle incorrect or
worn out.
Clean the water inlet filter.
Check that all supply connections
are tight.
Contact dealer for check and
repaired
The nozzle is on the high
pressure step.
Check or Contact dealer for
check and repaired