Automation Direct DURApulse GS4 - Page 350

Page 6–18
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
Chapter 6: Maintenance and Troubleshooting
Fault Name
Fault Code
in Status
Monitor 1
Fault
Descriptions
Corrective Actions
Can be
Bypassed
in Fire
Mode
(Yes / no)
LOCAL
Fault
Lvn
LV at Speed
13
DC BUS voltage is
less than P6�35 in
constant speed
1) Check if the input voltage is normal.
2) Check for possible sudden load.
no
LOCAL
Fault
LvS
LV at Stop
14
DC BUS voltage is
less than P6�35 at
stop
1) Check if the input voltage is normal
2) Check for possible sudden load
no
LOCAL
Fault
OrP
Input Phase loss
15
Output Ripple /
Phase Loss
Check Power Source Input if all 3 input phases
are connected without loose contacts� For
models 40hp and above, please check if the fuse
for the AC input circuit is blown�
Yes
LOCAL
Fault
oH1
IGBT Over Heat
16
IGBT overheating
IGBT temperature
exceeds protection
level
1) Ensure that the ambient temperature falls
within the specied temperature range.
2) Make sure that the venlaon holes are
not obstructed.
3) Remove any foreign objects from the
heatsinks and check for possible dirty heat
sink ns.
4) Check the fan and clean it.
5) Provide enough spacing for adequate
venlaon.
Yes
LOCAL
Fault
oH2
Cap Over Heat
17
Heatsink
overheating
Capacitance
temperature
exceeds cause
heatsink
overheating�
1) Ensure that the ambient temperature falls
within the specied temperature range.
2) Make sure heat sink is not obstructed.
Check if the fan is operang
3) Check if there is enough venlaon
clearance for the GS4 drive.
Yes
LOCAL
Fault
tH1o
Thermister1 Open
18
IGBT Hardware
Error
Internal drive error� Replace the drive�
If still under warranty, please contact
AutomationDirect Returns Department�
Yes
LOCAL
Fault
tH2o
Thermister2 Open
19
Capacitor
Hardware Error
Internal drive error� Replace the drive�
If still under warranty, please contact
AutomationDirect Returns Department�
Yes
LOCAL
Fault
PWR
Power Reset Off
20
Power Loss (Power
Down)
Check for loose input power connections�
Restore line power�
no
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