Problem Possible Cause Solution
6. Control valve stalled in
regeneration
a. Motor not operating a. Replace motor
b. No electric power at outlet b. Repair outlet or use working outlet
c. Defective AC Adapter c. Replace AC Adapter
d. Defective PC board d. Replace PC board
e. Broken drive gear or drive cap
assembly
e. Replace drive gear or drive cap
assembly
f. Broken piston retainer f. Replace drive cap assembly
g. Broken main or regenerant piston g. Replace main or regenerant piston
7. Control valve does not
regenerate automatically
when REGEN button is
depressed and held
a. AC Adapter unplugged a. Connect AC Adapter
b. No electric power at outlet b. Repair outlet or use working outlet
c. Broken drive gear or drive cap
assembly
c. Replace drive gear or drive cap
assembly
d. Defective PC board d. Replace PC board
8. Control valve does not
regenerate automatically
but does when REGEN
button is depressed
a. By-pass valve in bypass position a. Put bypass valve in normal operation
position
b. Meter connection disconnected b. Connect meter to PC board
c. Restricted/stalled meter turbine c. Remove meter and check for rotation
or foreign matter
d. Defective meter d. Replace meter
e. Defective PC board e. Replace PC board
f. Set-up error f. Check control valve set-up procedure
9. Time of day fl ashes on and
off
a. Power outage
a. Reset the time of day and replace
battery
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