Disturbance Identification - ABB ABILITY SSC600 Operation Manual

1MRS758850
4.
Maintenance view
1.
4.2

Disturbance identification

Disturbances and their causes can be identified by indicator LEDs: Ready, Start and Trip.
During normal operation, the Ready LED is steady green.
Table 10: Disturbance indications
LED
Start LED
Start LED
Trip LED
Ready LED
Further actions to be taken to identify the disturbance:
• Checking programmable virtual LEDs
• Reading event history
• Checking fault records
• Analyzing disturbance recordings
SSC600
Operation Manual
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Select Maintenance view in the View bar.
Figure 26. Maintenance view
Note: Document the disturbance before clearing the information from the IED.
Note: Only authorized and skilled personnel should analyze possible errors
and decide on further actions. Otherwise, stored disturbance data can be lost.
State
Yellow, steady
Yellow, flashing
Red, steady
Green, flashing
IED operation
Description
Protection started
Protection function blocked
Protection operated
Internal fault
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