Problem Possible
Cause
Solution
a. Motor not operating
a. Replace motor
b. No electric power at outlet
b. Repair outlet or use working outlet
6. Control valve stalled in
c. Defective transformer
c. Replace transformer
regeneration
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 drove cap assembly
g. Broken main regenerant piston g. Replace main regenerant piston
a. Transformer unplugged
a. Connect transformer
7. Control valve does not
b. No electric power at outlet
b. Repair outlet or use working outlet
regenerate automatically
when
REGEN button is depressed
c. Broken drive gear or drive cap
assembly
c. Replace drive gear or drive cap
assembly
and held
d. Defective PC board
d. Replace PC board
8. Control valve does not
a. By-pass valve in bypass
position
a. Put bypass valve in normal
operation position
regenerate automatically
b. Meter connection disconnected b. Connect meter to PC board
But does when REGEN
Button is depressed
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 flashes on and
off
a. Power has been out more than
two hours, the transformer
was
unplugged and then plugged
back into the wall outlet, the
transformer plug was
unplugged and then plugged
back into the board or the
NEXT and REGEN buttons
Were pressed to reset the
valve.
a. Reset the time of day
