Hey,
I have just bought my first brushless motor and am having trouble with the set up. I have soldered on the bullet connectors and I have been able to get three beeps out of the motor to say its armed but then it will not go into set up mode. By the way i am running an ultrafly A/30/29 and a parkzone 20 amp esc.

thanks

IF your transmitter will let you, try reversing the throttle. If it won't let you, you may have to learn how to program the ESC to reverse it. You can check to see if this is the problem by starting at full throttle and see if it will arm.