Rockwell Automation Publication 1715-UM001J-EN-P - December 2020 247
Appendix A Status Indicators
1. Note the affected channel as a field fault can indicate that there is a
blown fuse on an input channel.
2. Check the input field connections to the faulty channel to find the source
of the over voltage that caused the fuse to blow.
3. After you have removed the source of the over voltage, replace the blown
fuse by following these steps.
The fuse can be changed with the termination assembly still installed.
You do not have to remove it.
a. Lift the plastic cover that covers the fuses.
b. Use a fuse removal tool to lever the fuse out of the fuse holder and
replace the fuse.
You can use these types of replacement fuses.
c. Close the plastic cover.
1715 Adapter The adapter has these status indicators.
Component Fuse Type
Analog Input Termination Assembly
Littelfuse No. 396/TE5 50 mA time lag fuse; UL 248-
14, 125 V, T Leadfree
Digital Input Termination Assembly
Littelfuse No. 396/TE5 50 mA time lag fuse; UL 248-
14, 125 V, T Leadfree
Digital Output Termination Assembly
Littelfuse Type 451 Omni-Blok 10 A, 125 V very fast
acting fuse. Surface mount fuse block 154 010
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