6600 water damage
 

1st Boot Err: Bad Resp UPP, 03 00 00 72

i have same water damage 6600 any solution?

Well water damaged , so many things will be happends , you have to check the power supply(e.g UEM),frequency(e.g vctcxo).contacts(test points) (all you can track by original svc manual ) good luck!

if post #3 still dont work, try replace this part (n261)

i have same problem .i changed upp and fsoftware update