Fault - Wilo Star-Z 15 A Einbau- Und Betriebsanleitung

To replace the
motor head

Fault

Pump does not
start.
Pump makes noises. Motor scraping, e.g.
Installation and operating instructions Wilo-Star-Z 15
6
To clean Clean the outside of the pump with a lightly
moistened cloth only. Do not use detergents.
or pump, hot fluid may spurt out under high
pressure.Allow the pump to cool down before-
hand.
Close the stop valves before removing the pump
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Replacing the motor head
7
Order the service motor from the trade.
8
Cause
Interruption in the power
supply, short- circuit or
defective fuses.
Timing function has
switched off automati-
cally (Star-Z 15 C version
only).
Motor is blocked, e.g.
through deposits from
the water mains.
through deposits from
the water mains
Running dry, too little
water.
contact the trade.
Maintenance/faults
Maintenance/faults
Warning: When removing the motor head
Spare parts
Remedy
Have the power supply
checked by a qualified
electrician.
Check the plug clock
timer setting.
Have the pump removed
by a qualified person
>
Check that the impeller
can move by turning it
and rinse out the dirt that
has accumulated.
Check the shut-off
valves, they must be fully
open.
NOTE :If you cannot remedy the fault,
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Page 19.
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