Troubleshooting; Valve Troubleshooting - GE 400 Series Maintenance Manual

Troubleshooting

The technology upon which the Series 255 control is based is well established and
proven in service over many years. However, should a problem or question arise
regarding the operation of the system, the control can be very easily serviced. The
control module can be quickly replaced or adjustments can be made at the
installation. We recommend that you contact your local professional water treatment
dealer for most concerns. For parts mentioned, refer to exploded views in the
Replacement Parts section of this manual.
IMPORTANT:
from the system are marked with a ! after the possible cause. Refer to Preventative
Maintenance section for instructions.

Valve Troubleshooting

Problem
1. Brine tank
overflow.
2. Flowing or
dripping
water at drain
or brine line
after
regeneration.
3. Hard water
leakage after
regeneration.
4. Control will
not draw
brine.
Service procedures that require the water pressure to be removed
Possible Cause
a. Uncontrolled brine refill
flow rate.
b. Air leak in brine line to air
check.
c. Drain control clogged with
resin or other debris.
a. Valve stem return spring
weak.
a. Improper regeneration.
b. Leaking of external
bypass valve.
c. O-ring around riser pipe
damaged.
a. Low water pressure.
b. Restricted drain line.
c. Injector plugged !
d. Injector defective !
e. Valve disc 2 and/or 3 not
closed.
f. Air check valve
prematurely closed.
a. Remove brine control to clean ball
and seat.
b. Check all connections in brine line
for leaks. Refer to instructions.
c. Clean drain control.
a. Replace spring. (Contact dealer.)
a. Repeat regeneration after making
certain correct salt dosage was set.
b. Replace bypass valve. (Contact
dealer.)
c. Replace O-ring. (Contact dealer.)
a. Make correct setting according to
instructions.
b. Remove restriction.
c. Clean injector and screen.
d. Replace injector and cap. (Contact
dealer.)
e. Remove foreign matter from disc
and check disc for closing by
pushing in on stem. Replace if
needed. (Contact dealer.)
f. Put control momentarily into brine
refill. Replace or repair air check if
needed. (Contact dealer.)
25
Solution