218 Rockwell Automation Publication 2711P-UM008I-EN-P - February 2022
Chapter 8
Status Indicators
The back of the terminal has two indicators to identify system status:
• STS indicator (green) indicates that the terminal is on and running
• ERR indicator (red) indicates hardware and firmware faults
At startup, the STS and ERR indicators flash on and off, then the STS
indicator flashes to signal progress during startup. If the indicators remain off,
check the power cable.
After a successful startup, the STS indicator remains on. Under normal
operation, for Series A terminals, the STS indicator will stay on. For Series B
terminals (Series C for Stainless Steel terminals), the STS indicator will blink.
Tab l e 49
shows indicator states if the terminal stops during startup.
Table 49 - Fault Indicator States During Terminal Startup
ERR (red) STS (green) Description Recommended Action
Blinking Off
Recoverable firmware error. Reload the firmware.
Recoverable configuration failure. Restore the terminal to its factory
default image. See Restore a Back-up
Image on page 128.
On
On Fatal hardware error. Replace the terminal.
Blinking Fatal display hardware error. Replace the terminal.
STS
ERR
The aluminum terminal is shown. The status indicators are the
same on the stainless steel terminal.
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