Aeroquad forth Motor wont start

I have a BIG PROBLEM!!! fourth motor doesn't start !!!

The FInal Configuration:
Arduino Mega 2560
AeroQuad Shield v2.0
ITG-3200 triple axis gyro
BMA180 triple axis accelerometer
BMP085 barometric pressure sensor
HMC5843 triple axis magnetometer
Turnigy 2217 20turn 860kv 22A Outrunner
TURNIGY Plush 30amp Speed Controller
Zippy Flightmax 5000mAh 3S1P 20C

Turnigy Accucel-6 50W 6A Balancer/Charger w/ accessories
APC 12x3.8 Pusher Propellers X2
APC 12x3.8 SlowFly Propellers X2
FRAME and Power Distributione Home Build...

I have a problem with fourth motor, doesn't START...

I make the initial setup:
Initialize EEPROM OK.
Calibrate Transmiter OK.
Calibrate ESC with Configurater or RX. OK
Calibrate Sensor OK

But when i start quadrotor, the fourth motor doesn't start....
i change the pin in aeroquad pde 6 witch 32 and no change...
i connect the ground esc and 6 manualy and same result... My 6 pin when mega is working i tested, but i thing that the mega doesn't send PWM signal for motor...
What is the problem PLS help me! If i interchange motors and power s

Category:

Science & Technology

Tags:

• 09072011028