Input status led states – Rockwell Automation 2100-GK61 DeviceNet to SCANport User Manual
Page 124
 
Publication 2100-UM001B-EN-P – January 2001
7-4
Troubleshooting
Input Status LED States
The row of LED’s furthest right on the front of the module are the 
Input Status LED’s and function as follows:
LED
Viewed:
If:
State:
Indicates
Action:
1
LED is Red
Input Off
No power to input
1. Input is off. No action is required.
2. Power is missing from Input 1, verify 
external wiring to module.
3. Verify DIp Switch setting matches Input 
voltage.
LED is Green
Input On
Input has power 
applied
1. Input is on. No action is required.
2. Voltage is applied to Input, verify external 
wiring to module.
2
LED is Red
Input Off
No power to input
1. Input is off. No action is required.
2. Power is missing from Input 2, verify 
external wiring to module.
3. Verify DIp Switch setting matches Input 
voltage.
LED is Green
Input On
Input has power 
applied
1. Input is on. No action is required.
2. Voltage is applied to Input, verify external 
wiring to module.
3
LED is Red
Input Off
No power to input
1. Input is off. No action is required.
2. Power is missing from Input 3, verify 
external wiring to module.
3. Verify DIp Switch setting matches Input 
voltage.
LED is Green
Input On
Input has power 
applied
1. Input is on. No action is required.
2. Voltage is applied to Input, verify external 
wiring to module.
4
LED is Red
Input Off
No power to input
1. Input is off. No action is required.
2. Power is missing from Input 4, verify 
external wiring to module.
3. Verify DIp Switch setting matches Input 
voltage.
LED is Green
Input On
Input has power 
applied
1. Input is on. No action is required.
2. Voltage is applied to Input, verify external 
wiring to module.