syma wont bind

New to quads, new member Burned out motor Twist, solder, heat shrink failed motor. Then it seemed like new motor was stronger,(tipped away from new motor) correctly soldered other 3 in as the were "upgraded motors". Now quad just blinks fast! Batteries in quad and tx are good. I don't see any...

Hi guys, Don't know where to turn really. Out of the box syma x5c-1 turn the transmitter in the blue light flashes rapidly then to a slow flash. I place battery into the quad, on a level surface lights on quad flash fast then slower. Transmitter throttle is down the entire time. Then push up...