ABB REB500 User Manual

Section 6 1MRK 500 124-UEN
Troubleshooting
86 Operation Manual
Distributed busbar protection REB500
6.2.2 Faults during startup
Description Possible Cause Corrective Action
1.
CU/BU
à
Green Ready LED Off
Power missing
Check power
s
upply of
CU/BU
Hardware failure
Replace CU/BU
2.
CU/BU
à
Green Ready LED
Flashing
System is starting
Wait up to 3 minutes for
Startup
Hardware failure
Replace CU/BU
3.
CU/BU
à
Alarm Indicator LED On
Check
6.2.3
“
Alarm and
Event list entries”
Check
6.2.3
“
Alarm and
Event list entries”
4.
CU/BU
à
System Restart
Erroneous Setfile
Verify Setfile
Hardware failure
Replace CU/BU
5.
CU/BU
à
No LHMI activity, all
LEDs off
Ethernet cable plugged
into X0
Remove cable from X0
Hardware failure
Replace CU/BU
6.
Switch
à
Power LED Off
Power missing
Check power supply of
the switch
Hardware failure
Replace switch
7.
Switch
à
Power Fault LED On
Redundant power
missing
Check power supplies of
the Switch
Wrong Ethernet connect.
between switches
Check
6.2.4
“
Optical fiber
connections faults”
8.
14205_Block EFP always On
Signal '11505_Close
command CB' missing
Configure signal 11505
6.2.3 Alarm and Event list entries
Description Possible Cause Corrective Action
1.
General alarm CU/BU
Check
6.2.4
“
Optical fiber
c
onnections faults
”
Check
6.2.4
“
Optical fiber
c
onnections faults
”
Wrong BU address
Correct BU address
2.
Differential current alarm CU
CT circuit fault
Check
6.2.5
”
Electrical
connection faults (wrong
current or voltage values)
Busbar image error
Check isolator
image
Hardware failure
Replace CU/BU
3.
Isolator alarm BU
Wrong binary c
onnection
to auxiliary contacts
Check connection dia
-
grams and connections to
the auxiliary contacts
Wrong battery voltage
configured
Correct
setting (setfile)
Hardware
failure
Replace BU

ABB REB500 Specifications

General

Brand	ABB
Model	REB500
Category	Protection Device
Language	English