try this got it straight from their website on the manual Pump Disconnect Error Protection
The VorTech pump can automatically shut itself down in the event that a motor and wetside decouple from one-another. To set up this mode, you must calibrate your motor using the following sequence of operations:
Go into Feed Mode by holding the Mode button for three seconds. Feed Mode is indicated by a blinking white light.
Hold the motor in your hand, separate from the wet side. The motor will still be operating so hold it carefully in a place far away from any magnetic material.
Hold Mode and Set. This LED knob will now change color from blinking white to blinking white and yellow. This indicates that you have activated the calibration sequence.
Allow the calibration sequence to run, which can take about a minute. When the calibration sequence is completed. The driver will re-start.
Re-attach the pump to your aquarium. Pump disconnect error protection has been programmed.
In the event that your motor and wetside become de-coupled, the driver will blink red to notify you of this occurrence. However, in some cases a false-error can occur. This can happen because your pump needs to be cleaned or requires other maintenance. If it happens frequently, we recommend that you UNDO the pump disconnect error protection. The pump will no longer turn off in the event of a separated wet and dry side, however you will also no longer get a false-error. To perform this cancellation of the calibration process, follow this sequence of operations:
Go into Feed Mode by holding the Mode button for three seconds. Feed Mode is indicated by a blinking white light.
Hold the motor in your hand, separate from the wet side. The motor will still be operating so hold it carefully in a place far away from any magnetic material.
Hold Mode and Set. This LED knob will now change color from blinking white to blinking white and yellow. This indicates that you have activated the calibration sequence.
Cycle power to the pump by unplugging it and re-plugging it in. The calibration has successfully been cleared out and you will no longer get a false-error.