5-2
Solution
Possible Cause
Problem
6. Control valve stalled in
regeneration
7. Control valve does not
regenerate automatically
when “REGEN” button is
depressed and held
8. Control valve does not re-
generate automatically
but does when “REGEN”
button is depressed
9. Time of day
À
ashes on
and off
SECTION 5: CONTROL VALVE TROUBLESHOOTING GUIDE
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
e. Replace drive gear or drive
cap assembly cap
cap assembly
f. Broken piston retainer
f. Replace drive cap assembly
g. Broken main or regenerant piston
g. Replace main or regenerant piston
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
c. Replace drive gear or drive cap
drive cap assembly
assembly
d. Defective PC board
d. Replace PC board
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 prodedure
a. Power has been out more than
a. Reset the time of day
two hours, the AC Adapter was
unplugged and then plugged
back into the wall outlet, the AC
Adapter plug was unplugged
and then plugged back into the
board or the NEXT and REGEN
buttons were pressed to reset
the
valve.