AB Compactlogix L33er IO module error end cap missing

anirudhgk7

Member
Join Date
Feb 2019
Location
Kerala
Posts
42
I'm using 1769 L33er
Controller show minor error
(type 03) i/o fault
(code 00) compact i/o end cap missing
Im using left end cap also check the connection and lock of the end cap,all are clear.
IO indicator of the controller blinking green
Studio 5000 shows IO not responding
All modules have yellow triangle
What is the problem?
 
It would seem to me that you're over thinking this one a bit. If it worked yesterday and doesn't work today, the first thing I'd look at is if the End Cap is bad. While not a very common failure I have seen it before and it's an inexpensive part so even if it doesn't solve your problem it's worth replacing.
 

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