Hi Friends:
Thanks

for all your help I find the problem
one of them have a presure transducer damaged i mus change it or maybe change the board
the other one in fact have some problems with the calibration and some parts around the sensor but it could be repaired and is already working
thanks for al your help one more time.
sorry my english is not so good
p.s. i will post an other message I have an other problem.