– When the pump is switched off, resid-
ual water in the hose may flow back
and out of the pump intake.
If the pump is to be completely removed:
D
5. Remove the connected hoses on the
pressure and suction side.
REMEDY OF FAULTS
The following warning information applies to all work. Exceptions are marked with .
W A R N I N G
Dangerous electrical voltage!
Death or severe injury from electrocution.
Prior to starting work:
• Switch off the unit, disconnect the power plug and secure the unit from being switched
on again.
• Before stepping into or reaching into the water, switch off all units located in the water.
On completion of the work:
• Restore all the prerequisites for start-up.
Malfunction
Pump does not start.
Pump switches off after a
short running period.
The pump is not delivering,
or the delivered quantity is
insufficient.
12
6. Undo the water drain screw and tip the
pump to allow the residual water to drain
out.
7. Screw in the water drain screw again.
– Check that the seal is in place and
Cause
The pump is switched off.
Power supply interrupted
The fault current protection
device has tripped.
Overload protection has
switched the pump off due
to overheating.
Blockage on the suction
side
The pump is not sufficiently
filled with water.
Pressure line blocked
correctly functioning.
Remedy
Switch on the pump.
Check the electrical plug
connections.
Switch off the pump and
disconnect the power plug.
Then contact the OASE
Service.
• Clean the connection on
the suction side and the
suction line.
• Allow the pump to cool
down.
• Clean the intake and
suction line.
Fill the pump and ensure
that the water does not flow
out on the pressure side.
• Open the water with-
drawal point on the
pressure side.
• Route the pressure hose
without kinks
ProMax Garden Classic 3000/4500