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FAILED DFtrouble

Silent Knight SK-5207: FAILED DF

Silent Knight SK-5207·0 views·0 field notes

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

UNDEFINED TROUBLE 1-16Trouble condition in auxiliary zone 1-16.BUS TROUBLEThe annunciator data wires are shorted or reversed.F3This code indicates a trouble condition with remote annunciator number 3 on the system bus.Trouble with specified bell outputA trouble condition exists on the indicated notification (bell) circuit.L1A trouble condition or fault exists on phone line 1.

Related Questions

How do I expand the SK-5207 from 8 zones to 16 zones using the 5210 Zone Expander?What are the key differences between the SK-5207 and its predecessor the SK-5104?How do I program zone assignments and custom zone labels on the Silent Knight 6820?
All SK-5207 trouble codesSK-5207 panel page