A problem with the ar9100 spektrum
 

This is my problem, i was using the spektrum ar 7000 rx in my
1/12 scale c-130 herculez , but i decide to install the spektrum ar 9100 rx with 2 battery for safety
but now with everything in the plane i find out that the throle control is not working
but went i install the spektrum ar7000 rx back in the plane, the throle control come back to normal ,
i am using 4 jr 507 servos for the throle control and a jr 10x radio ,please any body know how to resolve this problem
please reply att Mario Tavarez
I test the ar 9100 rx with another servos and the throle control is working ok, no idea about this problem, may be the jr 507 servos
are not compatible with the ar 9100