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6.0 TROUBLESHOOTING
This troubleshooting guide can assist you in identifying common operating problems you may
experience with your machine. The operator can easily correct many of these problems, howev-
er, for those that persist or are not understood you should contact the GE Osmonics Customer
Support Center. Have the following information available when calling the Customer Support
Center:
1. Machine installation date
2. Model number
3. Serial number
4. Detailed description of problem
SYMPTOM
Low operating pressure
POSSIBLE CAUSES
Insufficient feed water pressure
flow
Clogged pre-filter
High flow rates
Dirty or fouled membrane
elements
Solenoid valve not opening
Pump rotating backwards
(three-phase power only)
REMEDIES
Open the feed pressure, open
the feed water valve, and
check for restrictions.
Replace pre-filter cartridge.
Close the concentrate valve,
check the permeate and con-
centrate flow rates and adjust
if necessary. Excessive per-
meate flow may indicate a
damage O-ring.
Flush and clean the membrane
elements.
Clean or replace the solenoid
valve.
Switch any two three-phase
leads to the motor starter.
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TROUBLESHOOTING