I-7540D-WF CAN to Wi-Fi Converter User’s Manual (Ver. 2.0, Jan/2012) ------------- 45
5. Troubleshooting
Item Problem Description
Solution
1
CAN Bus Transmission Fail
(Power LED Blink per 100 ms)
1. Make sure the CAN bus wiring is connected to
the correct pin.
2. Make sure the devices is in the same CAN Baud
Rate setting.
2
CAN Bus-Off
(Power LED Blink per 500 ms)
1. Make sure the CAN bus wiring is not in short-
circuit
3
Wi-Fi module communication
error
(PWR & CNT. LED Blink
per 500 ms)
1. Please return to the ICP DAS for inspection and
repair
4
Power Failure
(PWR LED Off)
1. Please return to the ICP DAS for inspection and
repair
5
WLAN connection can not be
established
(WLAN LED Blink or Off)
1. Make sure that the service set identifier device
(SSID) settings are the same.
2. Make sure Wi-Fi transmission Channel settings
are the same.
3. Make sure encryption is set, encryption keys are
the same way
4. Make sure antenna is good
5. Make sure the connection is too far away,
resulting in poor signal quality. (Please shorten
the connection from the test)
6. Please confirm whether there are barriers on the
scene. That could result in poor signal quality.
6
TCP connection can not be
established
(CNT. LED Blink)
1. Make sure WLAN connection is established
successfully
2. Make sure the network configuration is good
(TCP / IP Port, Local IP, Remote IP, Gateway,
Net Mask)
Technical Support
If you have problems about using the
I-7540D-WF
, please contact
ICP DAS Product Support.
Email:
