ICP DAS, MDC-211-WF user manual , v1.1 Page
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6.
Appendix
6.1.
LED Indicator State Descriptions
Figure6.1 LED Position Diagram
Table 6.1 LED Description
LED Indicator
State
Description
Signal LED
Wi-Fi Limit-AP Mode
AP at 2.4 GHz
AP at 5 GHz
Wi-Fi Infrastructure Mode
Wi-Fi Signal strength High
Wi-Fi Signal strength Medium
Wi-Fi Signal strength Low
PWR
Steady Lit
Firmware loaded correctly
Steady Unlit
Firmware loaded failed
Err
Steady Unlit
No errors
Blinking (500 ms)
There are Modbus command polling errors
DATA
Steady Unlit
No errors
Blinking (500 ms)
Receive data from Wi-Fi
Signal-Green
Signal-Yellow
Signal-Red
PWR
Err
DATA