2 8
G B
I E
Troubleshooting
Faults
Causes
Remedies
Pump does not start
Mains voltage is not applied
Float switch (
7) does not
switch
position
Pumps has no dis-
charge
Buckled pressure hose
Repair point at which the line
is bent
Trapped air in the pump cas-
ing
Tip the pump underwater until
the air escapes
Pump does not switch
off
Float switch (
7) cannot
drop
Set up pumps correctly on the
pit base
Reduces pump performance,
through severely contami-
nated water and additions in
the water which produce a
grinding effect
wear parts
Pump switches off after
a short period
Motor contactor disconnects
the pumps because of water
pollution that is too severe.
Pull out power plug and clean
the pump as well as shaft
Water temperature too high,
motor contactor breaks
Note maximum water tem-
35
Replacement parts/Accessories
Spare parts and accessories can be obtained at
www.grizzly-service.eu
27
Item
Description
Product No.
9 1 11
911 3475
3
8 m nylon cord
91102503