My PPM encoder is continuously blinking and can't communicating with FS i6 Receiver

Ground Control Software Mission Planner
1

my PPM encoder is continuously blinking and cot communicating with FS i6 Receiver due to wich i am unable to calibrate my RC kindly help.

2

Doesn’t the receiver support PPM, iBus or Sbus? In which case you don’t need the encoder.

3

Is the encoder light supposed to blink or steady?