Rockwell Automation 4100 AEC Absolute Encoder Converter Installation - Manual (Page 47)

Publication 4100-UM052B-EN-P - October 2001
Fault Indication & Control Status 39
Internal Faults
Internal faults are internal hardware errors detected by the AEC. For
both axes, indication is solid RED, quadrature output is inhibited, and
the fault relay is de-energized. In the case of a Global Hardware fault,
where both LEDs are solid red, Call Allen-Bradley Technical Support.
No Faults
In this state, the AEC has detected no errors. The indication per axis is
either flashing or solid GREEN. FLASHING GREEN indicates that the
AEC has not yet detected a strobe. When configured for locked mode,
the AEC is waiting for either an absolute strobe cycle or incremental
strobe. When configured for free-running mode, the AEC is waiting
for an absolute strobe cycle. Regardless of the selected mode, the AEC
is operating in free-running mode. When the LEDs are SOLID GREEN,
the AEC has received a strobe and is operating in its program mode.
There is no fault action and the relay is energized.