Operations and Maintenance Manual
E4H Series Water Purification Machine
35
6. 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; however, for those that persist or are not understood, you should contact the GE
Water & Process Technologies technical support team. Have the following information
available when calling the GE Water & Process Technologies technical support team:
• Machine installation date.
• Model number (found on right-hand side of front panel).
• Serial number (found on right-hand side of front panel).
• Daily Log Sheets.
• Detailed description of problem.
Table 6. 1: Troubleshooting Guide
Symptom
(
A
l
a
r
m
)
Possible
C
a
u
se
R
emed
i
e
s
Low inlet pressure
(low inlet alarm)
I
n
s
uff
icient feed water
pressure
Increase the feed pressure, open the
inlet/feed valve, check for restrictions,
and consider installing a feed water
boost pump.
Clogged
pre-f
ilter Replace the
pre-f
ilters.
Solenoid valve not opening Clean or replace the solenoid valve.
Low operating pressure High flow rates Close the concentrate bypass valve,
check the permeate and concentrate
flow rates and adjust if
necessar
y
.
Excessive permeate flow may indicate
improper interconnector installation.
Pump discharge screen
(low primary pressure)
Inspect and clean.
Dirty or fouled membranes
(low final pressure)
Clean the membranes.
Warm operating conditions Correct temperature.
Pump rotating backwards
(3-phase power o
n
ly
)
Switch any two 3-phase leads to the
motor starter.
Pump not operating
c
o
rrectl
y
See pump instructions.
To Next Page
Loading...
