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Rockwell Automation Publication 20Y-TG002C-EN-P - April 2017
Chapter 3
Component Test Procedures
View the Status Indicators
This section describes the status indicators.
Table 1 - AFE Status Indicator Descriptions
Perform Visual Inspections
Inspect the Cooling Tunnels
To inspect the cooling tunnels, follow these steps.
1. Remove the main cooling fans from the bottom of the power structure.
Remove and Install the Power Structure Fan System on page 53
2. Inspect the tunnels.
Clean the heatsinks and tunnels if necessary.
Item
Name
Color
State
Description
1
PWR (Power)
Green
Steady
Lights when power is applied to the AFE.
2
PORT
(1)
(1) These indicators operate only when a 20-COMM-X communication adapter is installed in the AFE and operating on the
connected network.
See to the Communication
Adapter User Manual,
publication 20COMM-UM
xxx
Status of DPI™ port internal communication (if
present).
Status of communication adapter (when installed).
NET A
Status of network (if connected).
Status of secondary network (if connected).
1
2
IMPORTANT
Always remove power from the Active Front End before you perform visual
inspections. See