This is strange.
I just bought a bltouch version 2.2 (jan 2019) still have trouble and issues. But mine reacts only with I1 instead of I-1!! And i have only a duet wifi no duex attached.
I will post a separate help cry 
Posts made by roncromberge
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RE: BL Touch does self test and then ignores all further commandsposted in General Discussion
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RE: First time print with duet2wifi and TronxyX5SA H-Botposted in Duet Hardware and wiring
Hello,
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See other replies.
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Your'e probably have a too high stepper / mm rate. My printer is also a X5SA so it should also works for yours.
These settings works for my configuration. Only the M92 row is controlled and correct. Other settings is the result of viewing of many other config.g files
But it's works for me.
Why are you use such a high values?
M92 X80.00 Y80.00 Z400.00 E95.00 ; Direct drive extruder
M566 X600.00 Y600.00 Z12.00 E500.00 ; Set maximum instantaneous speed changes (mm/min) (Jerk)
M203 X9000.00 Y9000.00 Z180.00 E3000.00 ; Set maximum speeds (mm/min)
M201 X1500.00 Y1500.00 Z20.00 E800.00 ; Set accelerations (mm/s^2)The standard direct drive extruder can't handle a high speed. 1 mm/s was a max without clicking
I have replaced the standard extruder for a Titan Aero. No more problems with extrusion. Plenty of force now.- Looks like a cable problem! Check Check Check
Grtz,
Ron
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