I/o configur error

[Mahesh8753]

I have a minor error code on an FX3U-80MT/ES connected to an FX2N-16EX and FX2N-16EX. This error code is an I/O configuration error code#1040 .. in io modules input led indication is ok but in online mode expansion input module inputs it is not ...changed i o module but same problem 

[Mahesh8753]

I have a minor error code on an FX3U-80MT/ES connected to an FX2N-16EX and FX2N-16EX. This error code is an I/O configuration error code#1040 .. in io modules input led indication is ok but in online mode expansion input module inputs it is not ...changed i o module but same problem 

[Crossbow]

It's been a while since I worked on one of these, but if I recall right that error is indicating a problem with the inputs starting at address 40, which makes no sense, since your PLC being 80 I/O would have inputs 0-47 built in, your expansion module would start at 50.