GE E2 Series Installation And Operation Manual page 21

T R O U B L E S H O O T I N G G U I D E
PROBLEM
Low permeate production
(continued)
Low concentrate flow with
normal or high operating
pressure
Declining rejection
(high permeate
conductivity)
ON/OFF switch ON:
machine not running
POSSIBLE CAUSES
Useful life of membrane
element(s) expired
Inaccurate permeate flow meter
(DLX only)
Dirty or fouled membrane
element (s)
O-rings on membrane ele-
ment(s) unseated or
damaged parts
Useful life of membrane ele-
ment(s) expired
Change in incoming
water quality
No power to machine
17
REMEDIES
Install new membrane ele-
ment(s). See Spare Parts List
(Section 2.20).
Check the flow rate manually
with a stop watch and a cali-
brated container.
Flush and/or clean machine.
Replace the O-rings, check
the sealing surfaces on the
O-ring groove and end caps.
Replace damaged parts.
Replace with new membrane
elements. See Spare Parts
List (Section 2.20).
Calibrate the meter with a DS
standard solution or check the
readings with another conduc-
tivity meter. Replace or clean
the probe. Check the connec-
tions between the probe and
monitor. Refer to Section
2.16.2 (Deluxe Model).
Ensure machine is
plugged in.