Delta MS300 Series User Manual page 529

Chapter 13 Warning CodesMS300
ID No. Display on LCD Keypad
71
Action Condition
Action Time
Warning Setting Parameter
Reset Method
Reset Condition
Record
Cause
The 5V power that the drive
provides to the communication
card is too low
The card is loose
Warning Name
ExCom power loss
(ECLv)
Action and Reset
The 5V power that the drive provides to the communication card is too low
Immediately act
N/A
Cycle the power
N/A
N/A
1. Use the same communication card for other MS300 drives to check if the
ECLv warning still occurs. If yes, replace with a new communication card; if
not, replace the drive.
2. Use another communication card to test if the ECLv warning still occurs on
the same drive. If not, replace the card; if yes, replace the drive.
Make sure the communication card is well inserted.
520
Description
Low voltage of the communication card
Corrective Actions