User's Manual

apC/8X LEDs
5-16 apC/8X Technical Manual
Note: When power is applied to the apC/8X or if the apC/8X is reset,
the LED bar goes through a diagnostic self test. The LEDs
should return to normal operation within 10 seconds.
LEDs on the apC/8X Cabinet Door
Three LEDs on the apC/8X cabinet door indicate the various states of the
apC/8X (see Table 5.9).
Green1 0.5 second flash while scanning monitor points Hardware
problem
Green2 1 second flash during normal operation (program
heartbeat)
Hardware
problem
Green3 Power on Power off
Table 5.8: apC/8X LED Bar (Continued)
LED If On.... If Off... If Flashing...
Table 5.9: apC/8X Door LED
LED Indicates State
Green1 Power Power is on the apC/8X
Yellow2 Host apC/8X is on-line with the host
Red3 Fault Reset condition seen at initial power up or
when you push the reset switch (S7).
If the LED cycles between Fault and Host,
there is a problem with the unit. (Same as
Red1 on the LED bar).