Delta VP3000 Series - Page 548

Chapter 8 Troubleshooting｜VP3000
539
ID No.
Fault Name
Descriptions
61
Y-connection / D-
connection switch error
(ydc)
An error occurs when Y-D switches
Action and Reset
Action Condition
1. ydc occurs when the confirmation signals of Y-connection and D-
connection are conducted at the same time
2. If any of confirmation signals is not conducted within the setting time for Pr.
d0-04, ydc occurs.
Action Time
Pr. d0-04
Fault Treatment Parameter
No
Reset Method
Manual reset
Reset Condition
Can be reset only when the confirmation signal of Y-connection is
conducted if it is Y-connection, or when the confirmation signal of D-
connection is conducted if it is D-connection.
Record
Yes
Cause
Corrective Actions
The electromagnetic valve
operates incorrectly during Y-D
switch
Check if the electromagnetic valve works normally.
If not, replace it.
Incorrect parameter setting
Check if related parameters are all set up and set correctly.
The wiring of Y-D switch
function is incorrect
Check the wiring.