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error SEL
Error Code E03
Communication error — the meter is unable to establish or maintain proper communication.
? What Causes This
Damaged or loose communication cables, incorrect protocol settings, or network configuration issues.
✓ How to Fix It
- Inspect communication cables for damage or loose connections.
- Verify protocol settings match the connected network.
- Check network configuration and settings.
- If persists, contact service.
This error code appears in:
SEL SEL-735 Power Quality and Revenue Meter