Delta VP3000 Series - Page 448

Chapter 8 Troubleshooting｜VP3000
439
ID No.
Warning Name
Descriptions
71
ExCom power loss
(ECLv)
Low voltage of communication card
Action and Reset
Action Condition
The 5V power that drive provides to communication card is too low
Action Time
Immediately act
Warning Setting Parameter
N/A
Reset Method
Cycle the power
Reset Condition
No
Record
No
Cause
Corrective Actions
The 5V power that drive provides
to communication card is too low
1. Switch the communication card to other AC motor drives and observe if there
is ECLv warning shown. If yes, replace with a new communication card; if
not, replace the drive.
2. Use another communication card to test if the ECLv warning has shown as
well. If not, replace the card; if yes, replace the drive.
Communication cards break off
Make sure the communication card is well inserted.