Waterman SF 122 Operating And Assembly Instructions Manual page 32

What to do, if...
Tips on solving problems that may occur during assembly:
Problem subject
Filtration systems / pumps
Problem description
Filter performance absent or
inadequate.
Pump does not start
Motor noise but not filtration
performance
Pump leaks
Sand in pool
Filter cartridge/lines leak
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Possible causes
- Check connecting piece and
Air ingress through the gaskets on the suction side. The
suction line. Teflon strip may possibly be
lacking.
- Pre-filter cover gasket leaking.
- Pre-filter cover has become
loose.
Mechanical seal is faulty. Pump must be sent in for repair.
Correct pump height or replace
Excessive suction height.
non-return valve.
No water level in pre-filter
Fill water into pool or pre-filter.
or skimmer.
Backwashing for SF - system or
Filter is blocked.
clean/replace cartridge.
Suction line of insufficient Change over to piping of large
diameter. diameter.
Incorrect fixing of the pump. Fix pump correctly.
Foreign body in the pump. Clean pump and pump filter.
Pump impeller or shaft is
Pump must be sent in for repair.
faulty.
Compare pump voltage with
Incorrect voltage.
mains voltage.
Foreign body in the pump. Clean pump and pump filter.
Thermal protection relay Reset thermal protection switch
has responded. and determine cause.
Insufficient voltage. Reset fuse.
Motor is jammed. Pump must be sent in for repair.
Foreign body in the pump. Clean pump and pump filter.
Motor is jammed. Pump must be sent in for repair.
Clean or replace filter cover and
Filter cover leaking.
gasket.
Mechanical seal is faulty. Pump must be sent in for repair.
Observe manufacturer's
Wrong grit size of filter sand
instructions / only use original
used.
filter sand.
Multiway valve faulty. Replace multiway valve.
Riser/filter foot faulty. Pump must be sent in for repair.
Screw connections Retension/retighten screw
insufficiently tightened. connections.
No sealing. Seal with Teflon strip.
Mechanical damage. Replace defective parts.
Remedy