Page 58
© Copyright 2021 ABB. All rights reserved.
Table 11 Troubleshooting
-
Alarm Conditions
15
Inverter LEDs activate only on Inverters with the specific conditions.
16
CB1 AC Load Disconnect on the Distribution Disconnect Module is also referred to as
“
Plant Breaker
”.
Symbols: O = ON LED or Activated Alarm Relay, F = FLASHING LED,
Δ =
possible ON LED
Conditions column indicates primary condition, other conditions may also be active.
NOTE: This table applies on a per shelf basis.
Condition
System
Controller LED
DM
LED
Inverter LED
15
Alarm Relay
Notes
Normal Operation
Single Inverter Fail
Multiple Inverter Fail
Inverter High Temperature
Inverter Communication Loss
Inverter Hi DC Rail V
Inverter Calibration Loss
Inverter Lo DC Input Voltage
Inverter Lo Output Voltage
Inverter Hi Output Voltage
Inverter Hi Peak Output Current
Inverter Hi RMS Output Current
Inverter Hi Crest Factor
Inverter Frequency Lock Fail
Inverter Output Fuse Fail
Plant Voltage Alarm
Lo or Hi Output Voltage
Plant Hz Alarm
Plant Load Alarm
DDM CB1
Open
Inverters Auto
-
Standby if
enabled
DM Bias Fail
Battery Voltage Alarm
Lo DC Input Voltage
AC Dist Mod Calibration Loss
System Controller Fail
Distribution Controller Fail
Force Inverter to Standby
Force Multiple Inverters to
Standby
O
O
O
O
O
C
on
tr
ol
ler
(g
ree
n)
M
aj
or
M
in
or
OK
(g
ree
n)
St
an
db
y
M
aj
or
M
in
or
Pl
an
t
Load
K4
-
s
par
e
Fa
il
OK
(g
re
en
)