GE E4H-CE Series - Manual (Page 30)

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