Installer manual Autotrol Magnum 293 - 298 Logix 742-762 - Troubleshooting
Ref. MKT-IM-012 / D - 03.02.2022 89 / 110
Err. code Cause Solution
ERR3 Camshaft rotates for more than
5minutes to find Home position.
If motor keeps rotating indefinitely,
replace the following components in
this order:
• Wire harness.
• Motor.
• Optical sensor.
• Controller.
• See Cleaning and maintenance
[
→
Page75].
-- : -- Power failure occurred.
Press to reset the time.
10.2 Magnum IT and Cv valve
Issue Cause Solution
Water softener
fails to regenerate
(no soft water).
Power supply to the Magnum
controller has been interrupted.
• Determine the reason for power
interruption and correct it;
• reset the time of day.
Water pressure lost. • Restore water pressure.
Logix controller improperly
programmed.
• Verify that the Logix controller is
properly programmed.
Defective controller. • Replace the controller assembly.
See Controller cover disassembly
[
→
Page78].
No salt in the brine tank. • Add salt and regenerate in the
tank.
Manual bypass valve is open. • Close the manual bypass valve.
For 762 series controller, turbine
meter is clogged or restricted.
Inspect turbine meter assembly, clean
or replace it.
See Turbine cleaning or replacement
[
→
Page82].
Leak at riser pipe seal. • Ensure that riser pipe is properly
sealed at the tank adapter o-ring;
• inspect pipe for cracks.
Insufficient brine. • Check refill controller and clean
if necessary;
• check controller settings;
• check flow rate capacities of
safety float and air check
assembly.
Plugged injector and/or injector
screen.
• Inspect and clean injector and/or
injector screen.
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