Troubleshooting - Renkforce 2302384 Bedienungsanleitung

11. Troubleshooting

The waste water pump you have purchased is a product that has been designed according to the state of the art and
is reliable in operation. Even then, problems and malfunctions can occur. Therefore, observe the following information
on how to solve the possible malfunctions.
Waste water pump does not suck in water
• Open any shut-off ball valve on the pressure side to bleed air from the hose or the pump. Move the pump back
and forth. If necessary, fill the hose with water. Unplug the mains plug briefly from the mains socket and then plug
it in again.
• Clean the suction openings (first disconnect the waste water pump from the mains voltage!).
• The water level is too low, only air is sucked in.
• Waste water pump does not start or stops during operation
• Check the mains supply or the circuit breaker and the ground fault circuit interrupter. If the GF circuit interrupter
has tripped, you should disconnect the waste water pump from the mains voltage and check it for damage (e.g.
power cord).
• The impeller inside the waste water pump is blocked by dirt. Disconnect the waste water pump from the mains
voltage, remove the hose and rinse the inside of the waste water pump with water.
• The float switch is not positioned correctly.
• The overtemperature protection has tripped. Disconnect the waste water pump from the mains voltage and allow
it to cool down (at least 30 minutes). Eliminate the cause of the trip (e.g. water temperature too high, dry running
too long etc.).
Flow rate is lower or too low
• Check the suction openings for dirt.
• The waste water pump sucks in air because the suction openings are no longer completely immersed in water.
• Check the hose attachment to the waste water pump.
• Check the hose for leaks or kinks.
• The greater the flow rate decrease, the larger the pump head.
• The hose diameter is too small, the hose is clogged by dirt.
The float switch is not released or does not switch off
• The float switch is not positioned correctly.
• A ttach the float switch cable to the side of the cable holder so that the float switch switches off correctly when the
water level in e.g. A cistern is low.
24