Specifications
M-Series Water Purification Machines
1238160 Rev. D 6 - 4 Troubleshooting
TROUBLESHOOTING GUIDE
Symptom Possible Causes Remedies
Low permeate
flow rate
Low operating pressure
Dirty or fouled sepralators
Operating on cold water less
than 55°F (13°C)
Sepralators installed backwards
or damaged concentrate seal
Flow meter inaccurate
See the possible causes
for low pressure
Flush and clean the
sepralators
Install a hot/cold
feedwater tempering
valve if more permeate
flow is needed. Operate
with a feedwater
temperature of 72 to
77°F (22 to 25°C).
Install sepralators in the
direction of fluid flow.
Flush and clean the
machine immediately.
Sepralators with
damaged concentrate
seals should be cleaned
and may be returned for
repair.
Check the flow rate
manually with a
stopwatch and calibrated
container.










