PLEASE HELP ME TO SOLVE GYRO 502'S PROBLEM

[ty_edge_540t]

I installed GYRO 502 and the digital servo which is included in GYRO 502 package . I follow the instructor manual . after I had started to hover the heli ( about 2 minutes) , the gyro couldn't hold the position and the heli started to revolve . please show me how to solve this problem .

sincerely!

[ty_edge_540t]

I'm really sorry . Now I am having a trip in Singapore in 2 weeks . So I can't meet you in the HCM city :( When will you back to USA ? If you'll stay at HCM city untill I come back , I hope I could meet you and we'll solve the GYRO's PROBLEM together .

Really sorry !

sincerely! :(