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Beschikbare talen
Beschikbare talen
Machine does not start
Cause
Interruption to the power supply, short circuit or short circuit to earth
in the line and/or motor winding
Triggering of fuses, motor protection switches and/or monitoring
systems
Ventilator hood blocks blade wheel
Blade wheel blocked
Pump does not suck
Cause
Foot-operated valve not in the water
Pump housing has no water
Air bubbles in suction line
Foot-operated valve leaky
Suction basket of the foot-operated valve blocked
Excessive suction height
Water delivery rate insufficient
Cause
Excessive suction height
Suction basket of the foot-operated valve blocked
Water level falls rapidly
Pump output is reduced by pollutants
Pump in an automatic domestic water system starts running after small amounts of water have been withdrawn
Cause
Air pressure in the pressure vessel has fallen
Thermal circuit breaker switches the pump off
Cause
Motor overloaded, frictional overloading by foreign bodies
Pump switches off and on at frequent intervals
Cause
Back pressure in the system is higher than the switch-off pressure
set for the pump
Further steps for fixing a malfunction
If the points mentioned here do not help eliminate the
malfunction, contact customer service. You can get the
following additional assistance from them:
•
practical telephone and/or written help
•
on-site support
•
check or repair of the machine at the works
28 | EngliSH
Remedy
Have line and motor checked by a person skilled in the art and, if appropriate,
have it renewed
Have connections checked by a person skilled in the art and, if appropriate,
have them changed. Have motor protection switches and fuses installed or
set in accordance with the technical guidelines, reset monitoring systems.
Check blade wheel/propeller for ease of movement and, if appropriate, clean
them or make them operable again
Withdraw ventilator hood with screwdriver, replace it and check fan wheel
for ease of movement
Rotate motor shaft with screwdriver through ventilator hood: if shaft is
blocked, have pump checked by customer service
Remedy
Immerse foot-operated valve deeper in the water
Refill pump housing
Check tightness of the suction line
Seal foot-operated valve
Clean suction basket
Reduce suction height
Remedy
Reduce suction height
Clean suction basket
Immerse foot-operated valve deeper in water
Clean pump housing with waterjet via suction and pressure connections;
have pump checked by customer service, if appropriate.
Remedy
See Chapter 7, "Repair work"
Remedy
Remove foreign bodies and let pump cool down before restarting
Remedy
See Chapter 7, „Repair work"
Please note that you may incur further costs by calling for
certain performances by our customer service! You can
get detailed information about this from customer service.
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