ABB PCS100 AVC-20 - Page 70

70 PCS100 AVC-20 User Manual
Code
Origin
Type
GDM Info
Description
Recommended Action
10
R,I
W
DC Bus
Voltage Low
DC Bus Voltage Low.
No action required.
The PCS100 AVC-20 will
automatically recover when
the input power returns to
normal.
11
R,I
AB
DC Bus
Undervoltage
DC Bus Undervoltage.
No action required.
The PCS100 AVC-20 will
automatically recover when
the input power returns to
normal.
12
R,I
F
Zero Seq
Current High
Inverter module zero
sequence current is too
high.
Contact your ABB Service
Agent to have the fault
resolved.
13
R,I
F
Zero Seq Abs
Current High
The PCS100 Module’s
absolute zero sequence
currents are too high.
Contact your ABB Service
Agent to have the fault
resolved.
14
R, I
F
Sync Lost
Failure
The inverter and/or rectifier
lost synchronization with
master.
Check all communication
cables.
15
R, I
F
Sync Lock
T/O
The inverter and/or rectifier
cannot synchronize with the
master within the timeout
period.
Ensure all communication
cables are connected and not
damaged.
If damaged, contact your ABB
Service Agent to have the
cables replaced.
18
M, R, I
W
Control Loop
Timing
Sustainable internal
condition. Control Loop
processing result late.
Press Reset.
If the warning is not resolved,
power down and restart.
19
M, R, I
F
Internal Error
There was an internal error.
Press Reset.
If the fault is not resolved,
power down and restart.
20
M, R, I
W
Stack Level
Warning
DSP stack has reached 75%
threshold level.
Power down and restart.
Notify your ABB Service Agent.
21
R,I
F
Contactor
Activate T/O
The pre-charge or bypass
contactor has not opened
within the required time-
out period.
Replace the faulty module.
22
R,I
F
Contactor
Deactivate
T/O
The pre-charge or bypass
contactor has not de-
activated (auxiliary contact
detection) within the
required time-out period.
Replace the faulty module.
23
R
F
Precharge
Timeout
Precharge relay &
softcharge resistor is
enabled for too long.
Replace the faulty module.
24
R
F
Softcharge
Error
Errors indicated by the
softcharge manager.
Replace the faulty module.
25
R
AB
Softcharge
Timeout
The softcharge sequence
takes too long, causing
restart sequence.
Replace the faulty module.
26
R
W
DC Bus
Ripple High
DC Bus ripple voltage high.
Check all three phases are
present.