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Hi,

I received my new APM2.5 yesterday.

The configuration of the setup is as follows:

APM2.5 top entry

Telemetry US 900Mhz

uBlox GPS module (as suppled from 3DR with APM2.5 firmware - I presume).

3DR Power monitoring module.

I connected the GPS (via the OLD GPS port on the APM2.5) & the 3DR Power module (to power the APM2.5 from a 3S Lipo).

After connecting the USB, the PC detected the APM2 & I setup the USB driver etc (i.e. got a COM port assigned).

I managed to connect the Mission Planner via USB with the APM2.5 and uploaded the arducopter 2.9.1 firmware. This went ok.

After connecting again, I could see all the MAVlink parameters being transmitted & activity on the comms leds.

However, after all the MAVlink parameters were downloaded, the only activity that I saw seemed to be a heartbeat packet (17 bytes?) that was occuring at a 1Hz rate.  NO data was being displayed on the mission planner & no movement on the artificial horizon.

When I clicked on the terminal button on the Mission Planner, the text based interface for the APM 2 comes up. I can see the setup, reboot, test etc options.

If I go into the test, I can see the various options and some of them seem to work (i.e. magnetometer) and it outputs via text the heading & flux info.. some seem to not work (i.e. GPS)..

I have attemped to use a different firmware version with no luck as well as leaving the unit if it was doing some background activity (i.e. formating storage as hinted upon by a different post).

However, still no luck...

Any ideas anyone?????? :( It doesnt look as if my APM2.5 is DOA but it's in the intensive care area..