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Fanuc: Alarm 351 X Axis Communication

Renato Masias

Plastic
Joined
May 19, 2018
The voltage source of 15v, internal control, has been damaged, the reason was a short on the source wires that go to the turret. What I did was put in parallel, out of control, a switching source (LM2596) of the same voltage. The system energized again, but when I move the Z axis, I get 351 SPC Alarm: X Axis Communication, it can leave immediately, after 5 seconds or 5 minutes after power up. Everything else works, turret, spindle.

Do you think I should repair the source from within?, I still do not dare to open the control, model A16B-2201-0722 Fanuc series 20 lathe Nardini.

351 SPC Alarm: X Axis Communication
Detail signal: Error Stop bit

Renato
 








 
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