I have a Horus X10 Express. I tried to go flying today after a few months off and ran into a problem. I couldn't arm the motor. I'm using a Shellim template for 6 servo gliders where the motor is armed by the SH switch and the response was "motor to idle before cruise " which is normal when the throttle slider is not in the idle position. The throttle is operated using the LS on ch7. I went to the monitors page to view CH activity and noticed that all channels were working properly except CH 7 which had none. All was working fine last time I was out so am confused. Anyone have a suggestion?