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Silent Knight
5207
Df

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Troubleshooting Tip

When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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FAILED DF: SK-5207 Trouble Code | Fire Alarm Resource Center

FAILED DF

trouble

Silent Knight SK-5207

113 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)

1silent knight5207Installation2003p. 80, 87, 86, 83, 44 +11Open

2silent knight5207Operations1995Open

3silent knight5207Datasheet1998Open

Field Notes

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Related Codes

A1Indicates a trouble condition on notification circuit 1 (bell output 1) or that the power supply and panel voltage selections are not the same.A2A trouble condition exists on notification circuit 2 (bell output 2), or the power supply and panel voltage selections are not the same.DATA LOSTThe communicator has lost data that was being transmitted to the central station, or the alarm memory buffer is full.L2A trouble condition or fault exists on phone line 2.F3This code indicates a trouble condition with remote annunciator number 3 on the system bus.

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?What does the P3 (Earth Ground Fault) trouble code mean on the SK-5207, and how do I isolate the fault?How do I program Relay 3 on the SK-5207 to activate on all trouble conditions?

All SK-5207 trouble codes SK-5207 panel page