6
Troubleshooting
Fault
Cause
Remedy
The machine does not run when the
ON/OFF switch and spray handle lever
are pressed.
The plug is damaged.
There is insufficient voltage.
The pump is locked.
The thermal relay has triggered.
Check the plug and fuses to see if they
are okay.
Manually turn over the motor.
Let the motor cool down.
The machine runs, however only weak
pressure is generated.
The intake filter is clogged.
Air is being drawn in at the connectors.
The inlet and outlet valves are clogged
or worn.
The diameter of the nozzle hole is too
large.
Clean the filter.
Check the intake connection fitting and
the hose connectors.
Clean or replace.
Check and replace.
The operating pressure is irregular.
Air is being drawn in.
The valves are clogged and worn.
The seals are worn.
Check the intake connectors.
Clean and replace.
Check and replace.
The machine suddenly stops.
The thermal relay has triggered due to
overheating.
Check the voltage.
Turn off the switch and let the motor
cool down for a few minutes.
Water drop from connect pars.
The seals are worn.
Check and replace (professional repair
shop)
There is a loss of pressure.
The nozzle is worn.
The valves are dirty or clogged.
The valve seals are worn.
The seals are worn.
The filter is clogged.
Change the nozzle.
Check, clean, exchange.
Check and /or exchange.
Check and /or exchange.
Check and /or clean.
There is excess noise.
Air is being drawn in.
The valves are worn, dirty or clogged.
The bearings are worn.
The water temperature is too high.
The filter is dirty.
Check intake lines.
Check, clean, exchange.
Check and /or exchange.
Lower the temperature to below 60℃.
Check and /or exchange.
Expelled water is mixed with oil.
The sealing rings (water + oil) are worn.
Check and /or exchange.
Water leaks from the pump head.
The seals are worn.
The O-ring of the seal set is worn.
Exchange the seal.
Exchange the O-ring.
When the switch is pressed, the motor
hums but does not start.
The mains voltage is lower than that
specified.
The pump is blocked or frozen.
The extension cable is insufficient (cross
section too small, cable too long)
Check to see that the extension cable
is sufficient.
Exchange the extension cable for one
that is sufficient.
Discarding the machine
Carry out the following safety measures immediately, if you are no longer going to use the machine:
• Pull out the plug and make the machine inoperable.
• Store the machine in an area that cannot be reached by children.
• Do not use any parts from the used machine as replacement parts.
• Disassemble the machine and discard the individual parts in accordance with the regulation neforced in your area.
SAVE THESE INSTRUCTIONS
