beautypg.com

B - troubleshooting, Status indicators on the controller, Appendix b – Rockwell Automation 2080-LC20-20QBBR Micro820 20-point Programmable Controllers User Manual User Manual

Page 119: Troubleshooting, Troubleshooting on, Appendix

background image

Rockwell Automation Publication 2080-UM005A-EN-E - December 2013

111

Appendix

B

Troubleshooting

Status Indicators on the
Controller

Status indication on the Micro820 controller is as follows.

Status Indicator Description

Description

State

Indicates

1

Input status

Off

Input is low.

On

Input is energized (terminal status).

2

Fault status

Off

No fault detected.

Red

Controller hard fault.

Flashing red

Major fault detected.

3

Run status

Green

Executing the user program in run mode.

Flashing Green (1 Hz)

The controller is in program mode.

4

Serial

communications

status

Off

No traffic for RS232/RS485.

Green

Traffic through RS232/RS485.

5

Force status

Off

No force conditions are active.

Amber

Force conditions are active.

Input status

Run status

Fault status

Force status

Comm status

ENET status

SD status

Output status

46207