3M 3MWTS Series, Installation And Operating Instructions Manual

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14 | 3MWTS Series Water Softeners – Installation Instructions 3MWTS Series Water Softeners – Installation Instructions | 15
Problem Possible Cause Solution
Timer does not display time of day AC Adapter unplugged Connect power
No electric power at outlet Repair outlet or use working outlet
Damaged AC Adapter Replace AC Adapter
Damaged PC Board Replace PC Board
Timer does not display correct time of day Switched outlet Use uninterrupted outlet
Power outage Reset time of day
Damaged PC board Replace PC board
No softening/filtering display when water is
flowing
Bypass valve in bypass position Put bypass valve in service position
Meter connection disconnected Connect meter to PC board
Restricted/stalled meter turbine Remove meter and check for rotation or foreign
material
Damaged meter Replace meter
Damaged PC board Replace PC board
Meter wire not securely installed into connector. Verify meter wire installed securely into three pin
connector labelled METER.
Control Valve regenerates at wrong time of day Power outages Reset control valve to correct time of day
Time of day not set correctly Reset to correct time of day
Time of regeneration incorrect Reset regeneration time
Control valve set at “ON” (which initiates an
immediate regeneration).
Check program setting and reset to NORMAL
(for a delayed regeneration time.
Control valve set at “ on 0” (delayed
and/or immediate.
Check program setting and reset to NORMAL
(for a delayed regeneration time.
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 has just been serviced or unplug
power source jack (black wire) and plug back in
to reset control valve.
Press NEXT and REGEN for 3 seconds
Foreign matter is lodged in control valve Check piston and spacer stack assembly
High drive forces on piston Replace piston(s) and spacer stack assembly
Control valve piston not in home position
seconds
Press NEXT and REGEN for 3 seconds or unplug
power source jack (black wire) and plug back in
to reset control valve
Motor not inserted fully to engage pinion, motor
wires broken or disconnected, motor damaged
Check motor and wiring. Replace motor if
necessary
Drive gear label dirty or damaged, missing or
broken gear
Replace or clean drive gear
Drive bracket incorrectly aligned to back plate Reseat drive bracket properly
PC board is damaged Replace PC board
PC board incorrectly aligned to drive bracket Ensure PC board is correctly snapped on to drive
bracket
Control valve stalled in regeneration Motor not operating Replace motor
No electric power at outlet Repair outlet or use working outlet
Damaged AC Adapter Replace AC Adapter
Damaged PC board Replace PC board
Broken drive gear or drive cap assembly Replace drive gear or drive cap assembly
Broken piston retainer Replace drive cap assembly
Broken main or regenerant piston Replace main or regenerant piston
Control valve does not regenerate automatically
when “REGEN” button is depressed and held
AC Adapter unplugged Connect AC Adapter
No electric power at outlet Repair outlet or use working outlet
Broken drive gear or drive cap assembly Replace drive gear or drive cap assembly
Damaged PC board Replace PC board
Control valve does not regenerate automatically
but does when “REGEN” button is depressed
Bypass valve in bypass position Put bypass valve in normal operating position
Meter connection disconnected Connect meter to PC board
Restricted/stalled meter turbine Remove meter and check for rotation or foreign
matter
Damaged meter Replace meter
Damaged PC board Replace PC board
Set-up error Check control valve set-up procedure
Meter wire not security installed into connector. Verify meter wire installed securely into three pin
connector labelled METER.
Time of day flashes on and off 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
Reset the time of day
SECTION 5: CONTROL VALVE TROUBLESHOOTING GUIDE AND SERVICE
INSTRUCTIONS