ABB PCS100 AVC-20 - Page 71

PCS100 AVC-20 User Manual 71
Code
Origin
Type
GDM Info
Description
Recommended Action
27
M, R
AB
PLL Unlocked
The phase lock loop is not
locked to the input voltage.
This usually occurs when
the supply to the Rectifier
is switched off.
Check the utility supply.
If the warning is not resolved,
contact your ABB service
agent to have the utility and
load voltage sense connection
checked.
28
R
AB
Control
Model
Unstable
Model control loop
parameters out of range.
Replace the faulty module.
29
R, I
F
Contactor
Recharge
Error
Second contactor
activation before recharge
delay has timed out.
Contact your ABB Service
Agent to have the fault
resolved.
30
R
F
Bus Not
Charging
Softcharge error if the DCV
< 0.15 PU after 200 ms, bus
not charging.
Contact your ABB Service
Agent to have the fault
resolved.
31
M, R, I
F
FPGA Reset
Either the FPGA (Field-
Programmable Gate Array):
- has not been reset, or
- did not initialize.
Press Reset.
If the fault is not resolved,
power down and restart.
32
I
F
Bypass Error
Errors indicated by bypass
manager.
Contact your ABB Service
Agent to have the fault
resolved.
33
I
F
Bypass
Contactor
Forced
Bypass SCRs enabled too
long before bypass
contactor, detected in
hardware and contactor
forced closed.
Replace the faulty module.
34
I
F
SCR On
Timeout
Bypass SCRs on too long
when contactor remains
open (in AUTO BYPASS
mode).
Replace the faulty module.
35
I
F
SCR Not Off
Timeout
Bypass SCRs remain on too
long (not turned off) after
contactor opened from
STOP to RUN transition.
Replace the faulty module.
36
I
F
Bypass Open
Error
With bypass open the
current in inverter and
bypass CT are not the
same.
Contact your ABB Service
Agent to have the fault
resolved.
37
I
F
Bypass Close
Error
With bypass closed, the
inverter CT still carries
current.
Contact your ABB Service
Agent to have the fault
resolved.
38
I
W
Out of
Regulation
Warning
One of the inverter three
phase output RMS voltages
differs from their reference
values by more than 10%.
No action required.
39
I
F
Out of
Regulation
Error
One of the inverter three
phase output RMS voltages
differs from their reference
values by more than 25%.
Check voltage sensing circuits
including master DB9 cables.
Replace Inverter module.