No heart beat error after flash firmware on APM2.6

I am having a similar problem with ArduCopter 2.6.

Using Mission Planner, and the unit recognized correctly in the W7 OS, I can initialize the configuration. Once that begins, it accepts the firmware, verifies and installs.

Once the move to communication via MAVLINK, a couple red led flashes and then it times out, ‘No Heartbeat’ error.

Hi DennisFranz,

Try to check the 3.3V regulator, this post will show you how to do: … ed-problem