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Shorted conditiontrouble

Edwards EST EST4: Shorted condition

Edwards EST EST4·1 view·0 field notes

What This Code Means

A short circuit has been detected on the IDC or NAC circuit wiring.

Common Causes

  • 1Pinched wires in backboxes
  • 2Water in conduit
  • 3Damaged device internal components

Resolution Steps

Inspect the field wiring for physical shorts between conductors or to the conduit. Disconnect branches to isolate the location of the short.

Manual References(2)

Field Notes

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Related Codes

Power offThe system has lost primary AC power and is running on battery backup.Low impedanceThe circuit resistance is lower than expected but not a direct short.Network CPU failureThe main processor for a network node has failed, causing the system to enter degraded mode.Load deficiencyThe power supply has detected that the batteries cannot support the required system load.BuildingControlled building equipment such as dampers, fans, or temperature controls are not operating correctly.

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'?
All EST4 trouble codesEST4 panel page