Delta VFD1A5MS43ANSAA User Manual

Chapter 14 Fault CodesMS300
595
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
61
Y-connection / Δ-
connection
switch error
(ydc)
An error occurs when Y-Δ switches
Action and Reset
Action Condition
1. ydc occurs when the confirmation signals of Y-connection and Δ-connection
are conducted at the same time.
2. If any of confirmation signals is not conducted within Pr.05-25, ydc occurs.
Action Time
Pr.05-25
Fault Treatment Parameter
N/A
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 Δ-connection is conducted
if it is Δ-connection.
Record
Yes
Cause
Corrective Actions
The electromagnetic valve
operates incorrectly during Y-Δ
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-Δ switch function is
incorrect
Check the wiring.

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English