Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual - Manual (Page 111)

Publication 1797-6.5.3 - March 2006
Troubleshoot the FLEX Ex Analog I/O Modules 7-3
Repair This module is not field repairable. Any attempt to open this module will void
the warranty and IS certification. If repair is necessary, return this module to
the factory.
Chapter Summary In this chapter you learned how to troubleshoot the FLEX Ex analog I/O
modules. Move to Appendix A to see the specifications for your module.
Table 7.2 1797-OE8H Status Indicators
Indicator Color State Meaning
Status Red On At power cycle – Channel 0 indicator lights when you
cycle power until all internal diagnostics are checked.
After successful power cycle, the indicator goes off if no
fault is present.
After successful powerup – Indicates a critical fault (for
example, diagnostic failure)
Blinking (when
faults are
enabled, and bit
set) Indicates a noncritical channel fault
Yellow On/blinking HART device was found on the associated channel (when
configured)
Power — Off Module not powered
Green On Module receiving power
Blinking No flexbus communication