Change board in Flexpendant,

ThangNQ

Hi All,
I have a problem with teach pendant. I just change board inside but when i plug it on ABB controller, On screen is windown with two option !1. PCBA Functional test
                                                                                                                                                                                                            2. Final Functional Test (SMU).

I press key number 1 (I) +Stop to download program to teach pendant. then teachpendant restart and have red message on screen "Image not present, Waitting for downloading....."
 It's not the same when i buy new teach pendant and plug on ABB controller (On screen have ABB icon and many option to control robot)
Can you help me how to setup for teach pendant?
Thank so much! Have a nice day!