Shutting down the pump
How to proceed:
1. Switch off the pump
2. Disconnect the power plug.
3. Depressurise the pressure line by opening the water withdrawal points.
4. Also open any non-return valves fitted in the suction line.
– When the pump is switched off, residual water in the hose may flow back and out of the pump intake.
If the pump is to be completely removed:
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5. Remove the connected hoses on the pressure and suction side.
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 correctly functioning.
Malfunction remedy
Malfunction
Pump does not start.
Pump switches off after operating briefly
The pump is not delivering, or the delivered
quantity is insufficient.
Storage/winter protection
The unit is not frost-proof and has to be removed and put into storage if minus temperatures are expected.
How to correctly store the unit:
• Drain the water remaining in the unit, in the hoses, pipe and connections as much as possible.
• Thoroughly clean the unit and renew any damaged parts.
• Store the unit in a dry and frost-free place.
• Protect open plug connections from moisture and dirt.
Cause
The pump is switched off.
Power supply interrupted
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
Suction line blocked
Leak on the suction side
External pre-filter (optional) clogged
Remedy
Switch on the pump.
Check the electrical plug connections.
• 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 withdrawal point on the pres-
sure side.
• Route the pressure hose without kinks.
• Clean the connection on the suction side and
the suction line.
• Route the suction hose without kinks
Eliminate leak on the suction side
Clean the pre-filter
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