Installer Manual Magnum 742-762 - Troubleshooting
86 / 106 Ref. MKT-IM-012 / C - 25.10.2019
10.2. Magnum IT and Cv valve
ERR3
Camshaft rotates for more than 5
minutes to find Home position.
If motor keeps rotating indefinitely,
replace the following components in
this order:
• wire harness;
• motor;
•optical sensor;
• controller.
See 9.6. Cleaning and maintenance,
page 74.
- - : - - Power failure occurred.
Press to reset the time.
Issue Cause Reset and recovery
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 9.6.5. Controller cover
disassembly, page 77.
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 9.6.10. Turbine cleaning or
replacement, page 81.
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.
Err. code Cause Reset and recovery
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