Cosmo CPZ Einbau- Und Betriebsanleitung Seite 24

English
NOTE: When the motor is removed and running, noises
and a change in rotation may occur. This is normal for this
situation.
Faultless operation can only be guaranteed when the pump
is operated in fluid.
Replacing the motor head → Page 16.
Faults
Pump does not
start.
Pump is making
noises.
NOTE: If you cannot remedy the fault, contact a specialist
retailer.
18
Causes
Interruption in the
power supply, short-
circuit or defective
fuses.
Motor is blocked, e.g.
by deposits from the
water mains.
Motor scraping, e.g.
through deposits from
the water mains.
Running dry, too little
water.
Air in the pump.
Remedies
Have the power supply
checked by a qualified
electrician.
Have the pump
removed by a qualified
technician → Page 16.
Check that the impeller
can move by turning it
and rinse out the dirt
that has accumulated.
Check the check
valves, they must be
fully open.
Switch the pump on/off
5 times for 30 s in each
case.
4174128-Ed.01 (2012/10)