The following reset procedure will completely erase all system configuration and cardholders and will return the controller to its factory default settings.
- Ensure the J3 jumper is across both pins.
- Press the white S1 button - the D MODE LED will go solid green.

- While the D MODE LED is still green down power the controller.
- Press and hold the white S1 button and apply the power.
- The following LEDs will be flashing in an alternating sequence (Reset + ULED2 + ULED4) then DMODE + ULED4.
- Continue to hold down the S1 button for approximately 20 seconds.
- Release the S1 button and the all LEDs will initially switch off.
- Various LEDs will flash in a sequence for a few seconds then only the Reset LED will be flashing on and off.
- The controller's memory is now reset. The 4 green LEDs to the right of the J3 jumper should also now be on.
- The controller will now obtain a DHCP address or it will automatically be set to a static address in the range of 169.254.99.X if it does not receive a DHCP address within 1 minute.