Allen-Bradley Guardmaster - Follow These Steps

62 Rockwell Automation Publication 440R-UM013E-EN-P - March 2017
Chapter 11 Troubleshooting
Follow These Steps
To diagnose the condition of the GSR relay, follow the steps in Figure 56.
Figure 56 - Troubleshooting Flowchart
Start
OUT indicator is solid green
Relay is functioning properly
PWR/Fault indicator
solid green?
Flashing
Go to Step 1
(page 63
)
Go to Step 3
(page 66
)
Go to Step 4
(page 74
)
OUT indicator
flashing green?
Output devices
energized?
Go to Step 5
(page 76
)
No
No
No
Yes
Yes
Yes
No
Yes
Go to Step 6
(page 78
)
IN indicator
solid green?
LOGIC IN indicator
solid green?
Off
Go to Step 2
(page 65
)
No
B1/B2 inputs of
EMD relay used?
No
Go to Step 7
(page 86
)
Yes
Yes