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FAILED DF
trouble

Silent Knight SK-5207

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What This Code Means

The communicator has failed to report an event to the central station after the programmed number of attempts have been made.

Common Causes

  • 1Communicator failed to reach the central station after programmed number of attempts
  • 2Phone line voltage dropped below 3 VDC
  • 3Central station receiver not acknowledging the call

Resolution Steps

Reset the dialer by pressing 3 ENTER + code 0 or 1. Check phone line connections and ensure the phone lines are programmed properly.

Manual References(3)

Field Notes

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Related Codes

A2A trouble condition exists on notification circuit 2 (bell output 2), or the power supply and panel voltage selections are not the same.F3This code indicates a trouble condition with remote annunciator number 3 on the system bus.BUS TROUBLEThe annunciator data wires are shorted or reversed.DATA LOSTThe communicator has lost data that was being transmitted to the central station, or the alarm memory buffer is full.A3Indicates a trouble condition on notification circuit 3 or that the power supply and panel voltage selections are not the same.

Related Questions

How do I wire Class B vs. Class A zone loops on the SK-5207, and what end-of-line resistor value is required?How do I program Relay 3 on the SK-5207 to activate on all trouble conditions?Which two-wire and four-wire smoke detectors are compatible with the SK-5207?
All SK-5207 trouble codesSK-5207 panel page