GE P54C User Manual

15.3 Measure Capacitive Charging Current 485
15.4 Check Differential Current 485
15.5 Check Current Transformer Polarity 485
15.6 On-load Directional Test 485
16 Final Checks 486
Chapter 21 Maintenance and Troubleshooting 487
1 Chapter Overview 489
2 Maintenance 490
2.1 Maintenance Checks 490
2.1.1 Alarms 490
2.1.2 Opto-isolators 490
2.1.3 Output Relays 490
2.1.4 Measurement Accuracy 490
2.2 Replacing the Device 491
2.3 Repairing the Device 492
2.4 Removing the front panel 492
2.5 Replacing PCBs 493
2.5.1 Replacing the main processor board 493
2.5.2 Replacement of communications boards 494
2.5.3 Replacement of the input module 495
2.5.4 Replacement of the power supply board 495
2.5.5 Replacement of the I/O boards 496
2.6 Recalibration 496
2.7 Changing the battery 496
2.7.1 Post Modification Tests 497
2.7.2 Battery Disposal 497
2.8 Cleaning 497
3 Troubleshooting 498
3.1 Self-Diagnostic Software 498
3.2 Power-up Errors 498
3.3 Error Message or Code on Power-up 498
3.4 Out of Service LED on at power-up 499
3.5 Error Code during Operation 500
3.5.1 Backup Battery 500
3.6 Mal-operation during testing 500
3.6.1 Failure of Output Contacts 500
3.6.2 Failure of Opto-inputs 500
3.6.3 Incorrect Analogue Signals 501
3.7 Coprocessor board failures 501
3.7.1 Signalling failure alarm (on its own) 501
3.7.2 C diff failure alarm (on its own) 501
3.7.3 Signalling failure and C diff failure alarms together 501
3.7.4 Incompatible IED 501
3.7.5 Comms changed 501
3.7.6 IEEE C37.94 fail 502
3.8 PSL Editor Troubleshooting 502
3.8.1 Diagram Reconstruction 502
3.8.2 PSL Version Check 502
3.9 Repair and Modification Procedure 502
Chapter 22 Technical Specifications 505
1 Chapter Overview 507
2 Interfaces 508
2.1 Front Serial Port 508
2.2 Download/Monitor Port 508
P54A/B/C/E Contents
P54xMED-TM-EN-1 xv

GE P54C Specifications

General

Brand	GE
Model	P54C
Category	Relays
Language	English