Troubleshooting; Controller - Pentair EVOLIO 255 740 Installer Manual

9

Troubleshooting

9.1

Controller

Err. code
ERR 1 Controller power has been connected
and the controller is not sure of the
operating status.
ERR 2 Controller power does not match 50
or 60 Hz.
ERR3 Controller lost the position of
camshaft. Camshaft should be
rotating to find Home position.
Camshaft does not rotate.
Ref. MKT-IM-037 / D - 25.10.2021
Cause
Installer manual Evolio 255 740-760 - Troubleshooting
Solution
Reset controller.
See Resetting the controller
[ → Page 47]
Disconnect and reconnect the power.
If problem is not solved, obtain an
appropriate controller or AC
transformer.
Wait for 2 minutes: the controller
returns to Home position.
An hourglass icon flashes to indicate
that the motor is running.
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
[ Page 61]
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