GW-7228 Quick Start v1.2 2011/05
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Figure 1: Appearance of the GW-7228
LED Indication
LED indication of the GW-7228
LED Name
GW-7228 Status
LED Status
Firmware Updating Mode
All LED always turned on
Hardware WDT Fail
All LED blink per 1
second
ALL LEDs
Contact to ICP DAS
All LED blink per 100 ms
No Error
Always turned on
CAN Bus Transmission Fail
Blink per 100 ms
CAN Bus-Off
Blink per 500 ms
Can’t Claim Address in J1939 Network
Blink per 1000 ms
PWR LED
Power Failure
Off
Transmission
Blink
J1939 LED
Bus Idle
Off
Transmission
Blink
MODBUS
LED
Bus Idle
Off
Installation
If users want to start the GW-7228 normally, it needs to follow these steps to
install the GW-7228 below:
Step1: Check GW-7228 Firmware Mode
Users need to set the dip-switch to the “Normal” position as Figure 2 and reset
