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CHECK or TRBL 974
trouble

Honeywell VISTA-128FBP

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What This Code Means

Trouble detected on Dialer 1.

Common Causes

  • 1Phone line 1 cut
  • 2Low voltage on phone line 1
  • 3Dialer hardware fault

Resolution Steps

Verify the connection and voltage of the primary telephone line. Contact service if line is functional.

Manual References(1)

Field Notes

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Related Codes

972 Earth Ground FaultA system trouble indicating that an earth ground fault has been detected. This condition may eliminate some of the system's protection.CHECK or TRBL 997Polling Loop Short circuit detected.ALARMIndicates that a burglary or non-fire protection zone has been faulted while the system is armed, or a 24-hour zone has been triggered.LO BAT accompanied by zone descriptorA low battery condition exists in the displayed wireless transmitter.CHECK or TRBL 970Trouble detected on Bell 1 Output (Notification Appliance Circuit).

Related Questions

I'm getting CHECK or TRBL 974 on my Honeywell VISTA-128FBP. What should I check?I'm getting 972 Earth Ground Fault on my Honeywell VISTA-128FBP. What should I check?What zone types are supported on the VISTA-128FBP and how are fire detector zones wired differently from supervisory zones?
All VISTA-128FBP trouble codesVISTA-128FBP panel page