
Start-up and Service
Troubleshooting Flowcharts
Page 70 MDE-4784D FlexPay™ Encrypting PIN Pad Start-up and Service Manual · December 2011
Figure 3-63: Troubleshooting Flowchart - 4
Does RKL Tool
show a Tamper?
BEGIN
Solid “Red” LED
on FlexPay EPP
(In dispenser)
Connect FlexPay EPP
to RKL Tool
and press OK
Solid “Red” LED
Yes
99% of the time when there is a solid
red LED, you will see a tamper when
using the RKL Tool.
Ensure that you are using the latest
RKL tool.
Complete WRMA Part
Card, attach to bad
FlexPay EPP and
replace FlexPay EPP
Try to RKL
Customer key
again
No
No
Did RKL
process
work?
Complete WRMA Part
Card, attach to bad EPP
and replace FlexPay
EPP
Retest Debit
Yes