6 • AUTOTROL 460i and 460TC Control System Installation and Operation Instructions
TROUBLESHOOTING
Your water conditioning system is designed and manufactured for efficient, low maintenance service. However, if problems do
occur, this section provides a list of possible causes and solutions. You can solve some problems yourself, such as low salt in the
salt storage tank or a blown household fuse. However, some problems require installer or dealer assistance.
IMPORTANT: Service procedures that require the water pressure to be removed from the system are marked with a !. To
remove water pressure from the system, put the bypass valve or three-valve bypass into the bypass position and
open the backwash drain valve (the sixth valve back from the control) with a screwdriver. Restore system water
pressure when the service work
is completed.
Problem Cause Solution
Clock does not display time of day.
Transformer cord unplugged. Connect power.
No electric power at outlet. Repair outlet or use working outlet.
Defective transformer. Replace transformer.
Defective circuit board. Replace timer.
Clock does not display correct time
of day.
Outlet operated by switch. Use outlet not controlled by switch.
Incorrect voltage or frequency (Hz).
Replace timer with one of correct voltage and
frequency (Hz).
Power outages. Reset clock.
Time display continues to advance. Defective time set switch. Replace timer.
Time display shows something
other than time of day.
Electrical interference.
Disconnect power to unit. Restore power and reset
time of day display.
Defective circuit board. Replace timer.
No water flow display when water
is flowing.
Bypass valve in bypass. Shift bypass valve to not-in-bypass position.
Meter probe disconnected or not fully connected to
meter housing.
Fully insert probe into meter housing.
Restricted meter turbine rotation due to foreign
matter in meter.
!Remove meter housing, free up turbine and flush
with clean water. Do not disassemble turbine from
meter housing. Turbine should spin freely. If not
replace meter.!
Defective meter probe. Replace timer.
Defective circuit board. Replace timer.
Control regenerates at wrong time
of day.
Power outages. Reset clock to correct time of day.
Clock set incorrectly. Reset clock to correct time of day.
Timer stalled in regeneration
cycle.
Motor dead. Replace timer.
Motor runs backwards. Replace timer.
No electric power at outlet. Repair outlet or use working outlet.
Broken gear. Replace timer.
Defective switch. Replace timer.
Air leak in brine connections.
Check all junction points and make appropriate
corrections.
Binding of camshaft.
Remove foreign object obstruction from valve discs
or camshaft.
Water pressure greater than 125 psi during
regeneration.
!Install pressure regulator.!
Defective circuit board. Replace timer.
Continuous regeneration.
Camshaft does not stop at the end
of regeneration.
Broken switch activator on gear. Replace timer.
Defective switch. Replace timer.
Control will not regenerate
automatically or when button is
pressed
Electric cord unplugged. Connect power.
No electric power at outlet. Repair outlet or use working outlet.
Defective motor. Replace timer.
Broken gear. Replace timer.
Binding in gear train. Replace timer.
Defective switch. Replace timer.
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