Section 9
Troubleshooting
20479300
2-2012/Rev 01
9-9
Table 9-1
S50 Troubleshooting Guide
Malfunction Indication Comments
20.
Outlet booster pump
pressure is falling below 60
psi (4 bar)
Inlet water pressure is low
Filter element is dirty and
needs to be replaced
Booster pump needs to be
adjusted or replaced
Booster pump should be
adjusted to 120 psi (8 bar) when
deadheaded.
21.
Inlet water flow is poor and
the filter housing is not
filling completely
Pipe sizing for inlet cutting
water should be checked for
pressure and flow
Cutting water supply will be
lacking capacity or flow.
22.
Water is leaking around the
bleed valve on the filter
head
O-ring that closes the passage
has deteriorated
A small o-ring under the valve
can deteriorate causing the
passage to remain open. The o-
ring can be replaced by
removing the screw and spring
on the underneath side.
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