Celestron CPC11 Errors

[althecoal]

Help needed please,

I had a blonde moment and stuck my cpc11 handset into a  EQ5 controller to test it ( yes- dumb moment) ...stuck it back into my CPC11 and it came up with "no responce 17" and then "no responce 16" and says "invalid model", you can back up and go into the menus but as soon as a direction arrow pressed it crashes...Checking the verson numbers and the handset is nxs v5 but the MC says ?.?.?.?

Seemed to flash the handset okay (installed 11 packages) but the errors are still there..and can not flash the MC as it just says error when trying to flash

bit wierd as i never touched the scope only the handset

Problem is , is it the handset or the motor board? 

Any help would be great