Automation Direct DURApulse GS4 - Page 349

Chapter 6: Maintenance and Troubleshooting
Page 6–17
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Fault Name
Fault Code
in Status
Monitor 1
Fault
Descriptions
Corrective Actions
Can be
Bypassed
in Fire
Mode
(Yes / no)
LOCAL
Fault
occ
IGBT Short Ckt
5
Short-circuit is
detected between
upper bridge and
lower bridge of the
IGBT module
Replace the drive� If still under warranty, please
contact AutomationDirect Returns Department�
Yes
LOCAL
Fault
ocS
OC at Stop
6
Hardware failure in
current detection
Replace the drive� If still under warranty, please
contact AutomationDirect Returns Department�
Yes
LOCAL
Fault
ovA
OV at Accel
7
DC BUS over-
voltage during
acceleration (230V:
DC 450V;
460V: DC 900V)
1) Check if the input voltage falls within the
rated GS4 drive input voltage range�
2) Check for possible voltage transients�
Yes
LOCAL
Fault
ovd
OV at Decel
8
DC BUS over-
voltage during
deceleration (230V:
DC 450V; 460V: DC
900V)
1) Check if the input voltage falls within the
rated GS4 drive input voltage range�
2) Check for possible voltage transients�
3) If DC BUS over-voltage due to regenerative
voltage, please increase the Deceleration
Time or add an optional brake resistor�
Yes
LOCAL
Fault
ovn
OV at Speed
9
DC BUS over-
voltage at constant
speed
(230V: DC 450V;
460V: DC 900V)
1) Check if the input voltage falls within the
rated GS4 drive input voltage range�
2) Check for possible voltage transients�
Yes
LOCAL
Fault
ovS
OV at Stop
10
Hardware failure in
voltage detection�
1) Check if the input voltage falls within the
rated GS4 drive input voltage range�
2) Check for possible voltage transients�
Yes
LOCAL
Fault
LvA
LV at Accel
11
DC BUS voltage
is less than P6�35
during acceleration
1) Check if the input voltage is normal�
2) Check for possible sudden load�
no
LOCAL
Fault
Lvd
LV at Decel
12
DC BUS voltage
is less than
P6�35 during
deceleration
1) Check if the input voltage is normal�
2) Check for possible sudden load�
no
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