COMPASS INIT ERROR with APM 2.5

Hello,

I have a new APM 2.5 and installed Arducopter SW 2.8.1 via MissionPlanner. I plugged the APM to USB (and not to the copter). When I open the Terminal / RS232 session APM responses "No dataflash inserted" and "COMPASS INIT ERROR". Flight data does not work and if I try to enter the logs in a terminal session APM hangs and I need to reboot the APM.

Does anyone knows this issue or is it a hardware problem?

Terminal log:

Init ArduCopter V2.8.1

Free RAM: 1589
FW Ver: 120
----------------------------------------


load_all took 1244us
þ3No dataflash inserted Â3COMPASS INIT ERROR


Press ENTER 3 times for CLI

ArduCopter V2.8.1]

watzlaf

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