Pellicon
®
3 Cassettes Installation and User Guide
15
Symptom
Possible Cause
Remedy
Bubbling at
external
surface of
filter stack
Dirt, debris or loose
holder, or chemical
incompatibility
See remedy under
Leak Between Filters
above.
Foaming in
system
Fitting leak
See remedy under
Tubing/Fitting Leaks
Loose holder
Retighten holder
Improper flush out of
chemical
Flush with additional
water
Feed line sucking air
Make sure feed line is
fixed below fluid/air
interface
Vortex in feed
container
Add baffle to break
vortex or reduce
mixing speed
Retentate splashing
Fix retentate line
below fluid/in feed air
interface container
Pump cavitation
Check feed tubing to
pump connection for
obstruction; remove
obstruction or replace
damaged/collapsed
tubing
Nuts do not
move freely
Damaged thread on tie
rod or nuts
Check thread for nicks
or dents; if found
replace tie rod or nuts.
Warranty
The applicable warranty for the products
listed in this publication may be found
at www.millipore.com/terms (within the
“Terms and Conditions of Sale” applicable
to your purchase transaction).
