Pentair Evolio 255 Series - 9 Troubleshooting; Controller

Installer manual Evolio 255 740-760 - Troubleshooting
Ref. MKT-IM-037 / D - 25.10.2021 79 / 90
9 Troubleshooting
9.1 Controller
Err. code Cause Solution
ERR 1 Controller power has been connected
and the controller is not sure of the
operating status.
Reset controller.
See Resetting the controller
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ERR 2 Controller power does not match 50
or 60 Hz.
Disconnect and reconnect the power.
If problem is not solved, obtain an
appropriate controller or AC
transformer.
ERR3 Controller lost the position of
camshaft. Camshaft should be
rotating to find Home position.
Wait for 2 minutes: the controller
returns to Home position.
An hourglass icon flashes to indicate
that the motor is running.
Camshaft does not rotate. Check:
• Motor connections.
• If motor wire harness is
connected to the motor.
• If motor wire harness is
connected to the controller.
• Optical sensor connection and
position.
• If motor and camshaft gears are
engaged.
If everything is connected, try
replacing in this order:
• Wire harness.
• Motor.
• Optical sensor.
• Controller.
• See Cleaning and maintenance
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