Control Valve Troubleshooting Guide And Service Instructions - 3M 3MWTS Series Installation And Operating Instructions Manual

SECTION 5: CONTROL VALVE TROUBLESHOOTING GUIDE AND SERVICE
INSTRUCTIONS
Problem
Timer does not display time of day
Timer does not display correct time of day
No softening/filtering display when water is
flowing
Control Valve regenerates at wrong time of day
ERROR followed by code number
Error Code 1001:
Unable to recognize start of regeneration
Error Code 1002:
Unexpected stall
Error Code 1003:
Motor ran too long, timed out trying to reach
next cycle position
Error Code 1004:
Motor ran too long, timed out trying to reach
home position
If other Error Codes display, contact 3M
Control valve stalled in regeneration
Control valve does not regenerate automatically
when "REGEN" button is depressed and held
Control valve does not regenerate automatically
but does when "REGEN" button is depressed
Time of day flashes on and off
Possible Cause
AC Adapter unplugged
No electric power at outlet
Damaged AC Adapter
Damaged PC Board
Switched outlet
Power outage
Damaged PC board
Bypass valve in bypass position
Meter connection disconnected
Restricted/stalled meter turbine
Damaged meter
Damaged PC board
Meter wire not securely installed into connector.
Power outages
Time of day not set correctly
Time of regeneration incorrect
Control valve set at "ON" (which initiates an
immediate regeneration).
Control valve set at "NORMAL + on 0" (delayed
and/or immediate.
Control valve has just been serviced or unplug
power source jack (black wire) and plug back in
to reset control valve.
Foreign matter is lodged in control valve
High drive forces on piston
Control valve piston not in home position
seconds
Motor not inserted fully to engage pinion, motor
wires broken or disconnected, motor damaged
Drive gear label dirty or damaged, missing or
broken gear
Drive bracket incorrectly aligned to back plate
PC board is damaged
PC board incorrectly aligned to drive bracket
Motor not operating
No electric power at outlet
Damaged AC Adapter
Damaged PC board
Broken drive gear or drive cap assembly
Broken piston retainer
Broken main or regenerant piston
AC Adapter unplugged
No electric power at outlet
Broken drive gear or drive cap assembly
Damaged PC board
Bypass valve in bypass position
Meter connection disconnected
Restricted/stalled meter turbine
Damaged meter
Damaged PC board
Set-up error
Meter wire not security installed into connector.
Power has been out more than eight 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
Solution
Connect power
Repair outlet or use working outlet
Replace AC Adapter
Replace PC Board
Use uninterrupted outlet
Reset time of day
Replace PC board
Put bypass valve in service position
Connect meter to PC board
Remove meter and check for rotation or foreign
material
Replace meter
Replace PC board
Verify meter wire installed securely into three pin
connector labelled METER.
Reset control valve to correct time of day
Reset to correct time of day
Reset regeneration time
Check program setting and reset to NORMAL
(for a delayed regeneration time.
Check program setting and reset to NORMAL
(for a delayed regeneration time.
Press NEXT and REGEN for 3 seconds
Check piston and spacer stack assembly
Replace piston(s) and spacer stack assembly
Press NEXT and REGEN for 3 seconds or unplug
power source jack (black wire) and plug back in
to reset control valve
Check motor and wiring. Replace motor if
necessary
Replace or clean drive gear
Reseat drive bracket properly
Replace PC board
Ensure PC board is correctly snapped on to drive
bracket
Replace motor
Repair outlet or use working outlet
Replace AC Adapter
Replace PC board
Replace drive gear or drive cap assembly
Replace drive cap assembly
Replace main or regenerant piston
Connect AC Adapter
Repair outlet or use working outlet
Replace drive gear or drive cap assembly
Replace PC board
Put bypass valve in normal operating position
Connect meter to PC board
Remove meter and check for rotation or foreign
matter
Replace meter
Replace PC board
Check control valve set-up procedure
Verify meter wire installed securely into three pin
connector labelled METER.
Reset the time of day
3MWTS Series Water Softeners – Installation Instructions | 15