GE P24DM Technical Manual page 14

Contents
5.1.2 Insulation
5.1.3 External Wiring
5.1.4 Watchdog Contacts
5.1.5 Power Supply
5.2 Product Checks with the IED Energised
5.2.1 Watchdog Contacts
5.2.2 Test LCD
5.2.3 Date and Time
5.2.4 Test LEDs
5.2.5 Test Alarm and Out-of-Service LEDs
5.2.6 Test Trip LED
5.2.7 Test User-programmable LEDs
5.2.8 Test Opto-inputs
5.2.9 Test Output Relays
5.2.10 Test Serial Communication Port RP1
5.2.11 Test Serial Communication Port RP2
5.2.12 Test Ethernet Communication
5.2.13 Test Current Inputs
5.2.14 Test Voltage Inputs
6 Setting Checks
6.1 Apply Application-specific Settings
6.1.1 Transferring Settings from a Settings File
6.1.2 Entering settings using the HMI
7 Protection Timing Checks
7.1 Overcurrent Check
7.2 Connecting the Test Circuit
7.3 Performing the Test
7.4 Check the Operating Time
8 Onload Checks
8.1 Confirm Current Connections
8.2 Confirm Voltage Connections
8.3 On-load Directional Test
9 Final Checks
Chapter 20 Maintenance and Troubleshooting
1 Chapter Overview
2 Maintenance
2.1 Maintenance Checks
2.1.1 Alarms
2.1.2 Opto-isolators
2.1.3 Output Relays
2.1.4 Measurement Accuracy
2.2 Replacing the Unit
2.3 Cleaning
3 Troubleshooting
3.1 Self-Diagnostic Software
3.2 Power-up Errors
3.3 Error Message or Code on Power-up
3.4 Out of Service LED on at Power-up
3.5 Error Code during Operation
3.6 Mal-operation during testing
3.6.1 Failure of Output Contacts
3.6.2 Failure of Opto-inputs
3.6.3 Incorrect Analogue Signals
3.7 PSL Editor Troubleshooting
3.7.1 Diagram Reconstruction
3.7.2 PSL Version Check
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P24xM-TM-EN-2.1