Start-up and Service Troubleshooting Communication Issues
Page 66 MDE-4784D FlexPay™ Encrypting PIN Pad Start-up and Service Manual · December 2011
The correct software version is installed, the dispenser boots up and
displays “SmartPad not working”
To troubleshoot this problem, proceed as follows:
1 Verify the LEDs on the rear of the FlexPay EPP are flashing.
2 Verify the cables between the FlexPay EPP and SmartPad port on the CRIND Logic Boards
are connected properly.
3 Ensure that the mapping cable is not plugged into the FlexPay EPP.
The FlexPay EPP appears to be operating the opposite side of the
dispenser
To troubleshoot this problem, proceed as follows:
1 Check the connections on the CRIND Logic Boards. Verify if the cables for the FlexPay EPP
are not connected to the wrong CRIND Logic Boards.
Note: If so, you must swap the connectors and then perform a coldstart on both CRIND
devices.
2 Ensure that the jump jack settings that define the sides are set correctly (Side A is jumpered
while Side B is not). Also, verify if the jump jacks for the CRIND IDs are set correctly for
each side.