Honeywell CN100 Planning And Installation Manual page 46

Chapter 6 - Diagnostics and Troubleshooting
Table 6-1: The Controller LED States
LED Condition
ETH1 ETH1 (FTEA) link is Good
ETH1 (FTEA) link is Down (FTE A cable
disconnected)
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LED
Color
Status
- Green
- Red
Note
Bi-color
LED