I-7540D-WF CAN to Wi-Fi Converter User’s Manual (Ver. 2.0, Jan/2012) ------------- 17
Figure 2-15: LED position of the I-7540D-WF
Table 2-2: LED indication of the I-7540D-WF
LED Name
I-7540D-WF Status
LED Status
Firmware Updating Mode
All
LED On
Hardware WDT Fail
All LED blink per 1 second
ALL LEDs
Contact to ICP DAS
All LED blink per 100 ms
PWR & CNT. LED Wi-Fi Module
Failure
Blink per 500 ms
No Error
Always turned on
CAN Bus Transmission Fail
Blink per 100 ms
CAN Bus-Off
Blink per 500 ms
CAN Buffer Full
Blink per 1 sec
Wi-Fi Buffer Full
Flashes twice per 100
ms , every 1 second
PWR LED
Power Failure
Off
Data transmission
Blink
Wi-Fi LED
Bus Idle
Off
Data transmission
Blink
CAN LED
Bus Idle
Off
WLAN connection established
Always turned on
WLAN LED
WLAN during connection
establishment
Blink or Off
TCP connection established
Always turned on
CNT.
TCP during connection
establishment
Blink