48
TROUBLESHOOTING
The table includes some of the most common problems, their causes and remedies
NOTE:
In the event of not being able to resolve the problem, get in touch with an Authorised
Service Centre.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Machine does
not start
Machine is not plugged in.
Plug in the machine.
Faulty plug.
Try a different socket.
Extension cable defective.
Try without the extension cable.
Fluctuating
pressure
Pump sucks air.
Check hoses and connections for leaks.
Pump seals worn.
Clean and replace.
Outlet nozzle is not smooth.
Clean and replace.
Machine stops
Incorrect mains voltage.
Check that the mains voltage corresponds to
the voltage specified on the model label.
Thermal cut-off activated.
Let the machine cool down for 5 minutes.
Nozzle partially blocked.
Clean the nozzle.
Machine
vibrates
Air in inlet hose.
Let the machine run with the trigger open
until normal working pressure is restored.
Inadequate mains water supply.
Check that the water supply corresponds to
the required specifications.
Nozzle partially blocked.
Avoid using long, thin hoses (min. 1/2").
Clean the nozzle.
Water filter blocked.
Clean the filter.
Hose kinked.
Straighten the hose.
Machine often
starts and
stops by itself
Pump/spray gun leaking.
Contact the nearest service centre.
Machine starts
up, but no
water comes
out
Pump/spray gun or attachment is frozen.
Wait for pump/hoses or fitting to thaw.
No water supply.
Connect the water supply and switch it on.
Water filter blocked.
Clean filter.
Blocked nozzle.
Clean the nozzle.
Summary of Contents for JET140C-4
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