Please help with art tech reciever/transmitter problems
 

So quite a while back my ef-2000 RC edf jet's battery died and it went down in a field to be found in a million pieces from a combine. Fast forward a few years to now and I bought another 'Art-Tech EC-135 6 CH 2.4Ghz Receiver AT-EC-135' to replace the one i lost which was the exact same type of receiver the edf had. I obviously still have the "E Fly 4 channel transmitter and so i want to bind the TX with the new receiver. I try to bind them both but when i put the TX in "work mode" it doesn't react to the transmitter. Can a transmitter be bound only once to another receiver or what other mistake is going on? Here is the bind process URL - https://www.scribd.com/document/2472...T-TECH-English
Thanks
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