WCC EF Series, Owner'S Manual, Page: 22 / 28

WS1 & WS1.25 Drawings & Service Manual
Problem Possible Cause Solution
1. Timer does not display time of day.
a. Power Adapter unplugged a. Connect power
b. No electric power at outlet b. Repair outlet or use working outlet
c. Defective Power Adapter c. Replace Power Adapter
d. Defective PC board d. Replace PC board
2. Timer does not display correct time of day
a. Switched outlet a. Use uninterrupted outlet
b. Power outage
b. Reset time of day. If battery
is present the battery may be
depleted. See Front Cover and
Drive Assembly drawing for
instructions.
c. Defective PC board. c. Replace PC board
3. Display does not indicate water is fl owing. Refer to
user instructions for how the display indicates water is
fl owing.
a. Bypass valve in bypass position
a. Put bypass valve in service
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 material
d. Defective meter d. Replace meter
e. Defective PC board e. Replace PC board
f. Meter not installed f. Install meter
g. PC board incorrectly programmed g. Refer to programming instructions
4. Control valve regenerates at wrong time of day
a. Power outages
a. Reset time of day. If battery
is present the battery may be
depleted. See Front Cover and
Drive Assembly drawing for
instructions.
b. Time of day not set correctly b. Reset to correct time of day
c. Time of regeneration incorrect c. Reset regeneration time
d. Control valve set at “on 0”
(immediate regeneration)
d. Check control valve set-up
procedure regeneration time
option
e. Control valve set at NORMAL
+ on 0 (delay + immediate
regeneration)
e. Check control valve set-up
procedure regeneration time
option
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. Defective Power Adapter c. Replace Power Adapter
d. Defective PC board d. Replace PC board
e. Broken drive gear or drive cap
assembly
e. Replace drive gear or cap
assembly
f. Broken piston retainer f. Replace drive cap assembly
g. Broken main or regenerant piston g. Replace main or regenerant piston
6. Control valve does not regenerate automatically when
the correct button(s) is depressed and held. For TC
valves the buttons are UP and DOWN. For all other
valves the button is REGEN.
a. Power Adapter unplugged a. Connect Power 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
7. Control valve does not regenerate automatically but
does when the correct button(s) is depressed and held.
For TC valves the buttons are UP and DOWN. For all
other valves the button is REGEN.
a. Bypass valve in bypass position
a. Put bypass valve in normal opera-
tion position
b. Meter connection disconnected b. Connect meter to PC board
c. Restricted/stalled meter turbine
c. Remove meter and check for rota-
tion or foreign matter
d. Defective meter d. Repalce meter
e. Defective PC board e. Replace PC board
f. Set-up error
f. Check control valve set-up proce-
dure
8. Time of day fl ashes on and off a. Power outage
a. Reset time of day. If battery is
present the battery may be de-
pleted. See Front Cover and Drive
Assembly drawing for instruc-
tions.
Troubleshooting
TC control valves do not have meters so shaded ares are not applicable for TC control valves