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Troubleshooting
Fault
The machine does not run when the
ON/OFF switch and spray handle lever
are pressed.
The machine runs, however only weak
pressure is generated.
The operating pressure is irregular.
The machine suddenly stops.
Water drop from connect pars.
There is a loss of pressure.
There is excess noise.
Expelled water is mixed with oil.
Water leaks from the pump head.
When the switch is pressed, the motor
hums but does not start.
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.
Original instruction
Cause
The plug is damaged.
There is insufficient voltage.
The pump is locked.
The thermal relay has triggered.
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.
Air is being drawn in.
The valves are clogged and worn.
The seals are worn.
The thermal relay has triggered due to
overheating.
The seals are worn.
The nozzle is worn.
The valves are dirty or clogged.
The valve seals are worn.
The seals are worn.
The filter is clogged.
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.
The sealing rings (water + oil) are worn. Check and /or exchange.
The seals are worn.
The O-ring of the seal set is worn.
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)
SAVE THESE INSTRUCTIONS
9
Remedy
Check the plug and fuses to see if they
are okay.
Manually turn over the motor.
Let the motor cool down.
Clean the filter.
Check the intake connection fitting and
the hose connectors.
Clean or replace.
Check and replace.
Check the intake connectors.
Clean and replace.
Check and replace.
Check the voltage.
Turn off the switch and let the motor
cool down for a few minutes.
Check and replace (professional repair
shop)
Change the nozzle.
Check, clean, exchange.
Check and /or exchange.
Check and /or exchange.
Check and /or clean.
Check intake lines.
Check, clean, exchange.
Check and /or exchange.
Lower the temperature to below 40℃.
Check and /or exchange.
Exchange the seal.
Exchange the O-ring.
Check to see that the extension cable
is sufficient.
Exchange the extension cable for one
that is sufficient.
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