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Telephone Line Troubletrouble

Edwards EST EST4: Telephone Line Trouble

Edwards EST EST4·0 views·0 field notes

What This Code Means

The Modem Communicator has detected a fault on one or both of the supervised telephone lines.

Common Causes

  • 1Disconnected telephone jack
  • 2Cut phone line
  • 3Loss of service from the provider

Resolution Steps

Verify the physical connection of the modular phone jacks and test the telephone lines for active voltage/dial tone.

Manual References(2)

Field Notes

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Related Codes

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Related Questions

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All EST4 trouble codesEST4 panel page