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Annunciator 1 troubletrouble

Edwards EST iO64: Annunciator 1 trouble

Edwards EST iO64·0 views·0 field notes

What This Code Means

An open or short was detected on annunciator 1.

Common Causes

  • 1Wiring fault on RS-485 bus
  • 2Annunciator power loss
  • 3Address mismatch

Resolution Steps

Check the communication and power wiring to the annunciator; verify the annunciator address settings.

Manual References(1)

Field Notes

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Related Codes

Zone maintenance alertA maintenance alert was detected for a zone.NAC 1 troubleAn open or short was detected on NAC 1 or there is a problem with the EOL.Ground faultThe panel detected a ground fault.Loop 1 device 000A device on loop 1 has an address set to zero.Dialer delivery failThe dialer failed to deliver a message to the receiver.

Related Questions

What are the battery sizing requirements for the EST4, and what is the replacement procedure?How many addressable devices can an EST3 node support, and what cards provide the SLC loops?How do I decode an EST3 trouble address like '03030681'?
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