GE B30 UR Series Instruction Manual page 30

1.5 USING THE RELAY
5. Visual inspection for any damage, corrosion, or dust.
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6. Event recorder file download with further events analysis.
7. LED Test and pushbutton continuity check.
Unscheduled maintenance, such as a disturbance causing system interruption:
1. View the event recorder and oscillography or fault report for correct operation of inputs, outputs, and elements.
If it is concluded that the relay or one of its modules is of concern, contact GE Multilin for service.
1-20 B30 Bus Differential System
1 GETTING STARTED
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