Alarms - ABB RELION REB500 Operation Manual

Distributed busbar protection
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1MRK 500 132-UUS Rev. B
Test
Diagnostic information
Central unit
5.4

Alarms

The yellow LED on the Multipage button signals the alarm state:
Off: No pending alarm in list
On: Pending alarms in list, acknowledged
Flashing: New alarm in list, not yet acknowledged
Eventual system alarms can be viewed in the alarm list (Menu Alarms).
The operator can acknowledge an alarm using the menu item Clear/Acknowledge Alarm or equivalently
by pressing the CLEAR button.
The following alarms can be displayed:
Busbar protection blocked
Breaker failure protection blocked
End fault protection blocked
OCDT blocked Overcurrent protection blocked
Pole discrepancy protection blocked
Bay unit alarm
Distributed busbar protection REB500
Operation manual
LED Test
Test Trip
Product Identifiers
IEDProdType
Firmware Version
Serial Number
Production Date
Ordering Number
Order Code
CPU Load
System Logger
Measurements
Bus zones
Binary inputs
Binary outputs
Settings
System response
Busbar protection
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Section 5
Local HMI
GUID-88D0EE9F-EE10-4659-BF04-3FF1F287A259 v3
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