Communication Pcb Status Leds - Advanced Energy AE 75TX Installation And Operation Manual

Advanced Energy
Table
8-8. Controller
PCB LEDs (Continued)
LED Flash LED Sequence
I
Unit Action
Color Code Status
Solid
The inve1ter is in a faulted
• Check the fault code on the display
condition. screen
• Clear the fault condition
• Inve1ter will auto reset
Red
Flashing A latching fault has occuned. • Check the fault code on the display
screen
• Manually clear the fault condition
• Restatt the inve1ter
Communication PCB Status LEDs
8-14
The communications PCB includes four status LEDs.
• Link: Indicates presence of a hardware Ethernet connection
• Activity (or ACT): Indicates internet traffic
• Status: Indicates the communication status
• Modbus: Indicates activity on the Modbus network
The four LEDs primaiy location is on the face of the communication PCB in the
card cage on the right side of the power module assembly as shown in the following
figure.
Figure 8-5. Communication PCB with status LEDs
The other set of LEDs are on the communication interface PCB located in the data
monitoring section in the front upper right of the inve1ter. These four LEDs are
smface motmt LEDs located neai· the Ethernet and Modbus connector as shown in
Troubleshooting and Solar Energy Technical Support 570-1001793-0SB