Faults During Startup; Alarm And Event List Entries - ABB REB500 Operation Manual

Section 6
Troubleshooting
6.2.2
6.2.3
86

Faults during startup

Description
1. CU/BU à Green Ready LED Off
2. CU/BU à Green Ready LED
Flashing
3. CU/BU à Alarm Indicator LED On
4. CU/BU à System Restart
5. CU/BU à No LHMI activity, all
LEDs off
6. Switch à Power LED Off
7. Switch à Power Fault LED On
8. 14205_Block EFP always On

Alarm and Event list entries

Description
1. General alarm CU/BU
2. Differential current alarm CU
3. Isolator alarm BU
Possible Cause
Power missing
Hardware failure
System is starting
Hardware failure
Check 6.2.3 "Alarm and
Event list entries"
Erroneous Setfile
Hardware failure
Ethernet cable plugged
into X0
Hardware failure
Power missing
Hardware failure
Redundant power
missing
Wrong Ethernet connect.
between switches
Signal '11505_Close
command CB' missing
Possible Cause Corrective Action
Check 6.2.4 "Optical fiber
connections faults"
Wrong BU address
CT circuit fault
Busbar image error
Hardware failure
Wrong binary connection
to auxiliary contacts
Wrong battery voltage
configured
Hardware failure
Distributed busbar protection REB500
1MRK 500 124-UEN
Corrective Action
Check power supply of
CU/BU
Replace CU/BU
Wait up to 3 minutes for
Startup
Replace CU/BU
Check 6.2.3 "Alarm and
Event list entries"
Verify Setfile
Replace CU/BU
Remove cable from X0
Replace CU/BU
Check power supply of
the switch
Replace switch
Check power supplies of
the Switch
Check 6.2.4 "Optical fiber
connections faults"
Configure signal 11505
Check 6.2.4 "Optical fiber
connections faults"
Correct BU address
Check 6.2.5" Electrical
connection faults (wrong
current or voltage values)
Check isolator image
Replace CU/BU
Check connection dia-
grams and connections to
the auxiliary contacts
Correct setting (setfile)
Replace BU
Operation Manual