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David HensonSep 4, 2025
What to do if my Pyronix PCX 78 Security System shows 'LINE FAULT'?
- KKevin RichardsSep 4, 2025
If your Pyronix Security System displays 'LINE FAULT', ensure the modem has an adequate signal to communicate. If there is a physical line to the modem, make sure it is connected securely at each end.