Problem
Possible Cause
Solution
1. Timer does not display time of day
a. AC adapter unplugged
a. Connect power
b. No electric power at outlet
b. Repair outlet or use working outlet
c. Damaged AC adapter
c. Replace AC adapter
d. Damaged PC board
d. Replace PC board
2. Timer does not display correct time of
day
a. Switched outlet
a. Use an unswitched outlet
b. Time of day not set correctly
b. Reset time of day
3. Control Valve regeneration at wrong
time of day
a. Power outages
a. Reset control valve to correct time of day
b. Time of day not set correctly
b. Reset to correct time of day
c. Time of regeneration incorrect
c. Reset regeneration time
4. Error followed by a code number
Error code E1- Unable to recognize
start of regeneration
Error code E2- Unexpected stall
Error code E3- Motor ran too long.
Timed out trying to reach next
cycle position
If other codes appear contact factory
a. Control valve has just been serviced
a. Press SET HOUR and DOWN for 3 seconds
or unplug power source jack (black wire)
from the circuit board and plug back in to
reset control valve
b. Foreign matter is lodged in control valve
b. Check piston and spacer stack assembly
for foreign matter
c. High drive forces on piston
c. Replace piston(s) and spacer stack assembly
d. Control valve piston not in home position
d. Press SET HOUR and DOWN for 3
seconds or unplug power source jack
(black wire) from the circuit board and
plug back in to reset control valve.
e. Motor not inserted fully to engage pinion, motor
wires broken or disconnected, motor damaged
e. Check motor and wiring. Replace motor if
necessary
f. Drive gear label dirty or damaged, missing or broken
gear
f. Replace or clean drive gear
g. Drive bracket incorrectly aligned to drive bracket
g. Reseat drive bracket properly
h. PC board incorrectly aligned to drive bracket
h. Replace PC board
i. PC board incorrectly aligned to drive bracket
i. Ensure PC board is correctly snapped on to
drive bracket
5. 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. Damaged AC adapter
c. Replace AC adapter
d. Damaged 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 piston retainer
g. Broken main or regenerant piston
g. Replace main or regenerant piston
6. Control valve does not regenerate
automatically when UP and DOWN
buttons are 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. Damaged PC board
d. Replace PC board
7. Control valve does not regenerate
automatically, but does when UP and
DOWN buttons are depressed and held
a. Damaged PC board
a. Replace PC board
b. Set-up error
b. Check control valve set-up procedure
5-1
Section 5: TROUBLESHOOTING - CONTROL VALVE