Mitsumi electronic MELSEC FX1S Universal Remote User Manual


 
FX1S Series Programmable Controllers Diagnostics 7
7-3
1
2
3
4
5
6
7
8
7.3 Common Errors
- Corroded contact points at some point in an I/O line.
- An I/O device has been used outside its specified operating range.
- An input signal occurs in a shorter time period than that taken by one program scan.
7.4 Maintenance
- Check interior temperature of the panel.
- Check panel air filters if fitted.
- Check for loosening of terminals or mounting facilities (due to vibration).