apm 2.5 probs

[subarubren]

having a prob with pre arm, anyone know why its started doing this? it ran fine last time a couple of weeks ago this is what is says
Check FS_THR_VALUE

[Gundummy]

Are you still using the same TX radio .. changed any settings recently?  Tried a reset?

[subarubren]

only thing ive done is add another model to the tx, then come back to fly the quad yesterday.

[Gundummy]

Couple of options here:

http://ardupilot.com/forum/viewtopic.php?t=5177&p=7431 and http://diydrones.com/forum/topics/my-radios-lower-throttle-threshold-is-too-high-for-the-fs-thr