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Edwards EST EST4: Building

Edwards EST EST4·0 views·0 field notes

What This Code Means

Controlled building equipment such as dampers, fans, or temperature controls are not operating correctly.

Common Causes

  • 1Damper failed to reach its commanded state
  • 2Ventilation fan motor failure
  • 3Temperature control out of range

Resolution Steps

Inspect the specific building equipment and its associated control module to determine why it is not responding correctly.

Manual References(2)

Field Notes

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Related Codes

Insufficient voltageThe power supply voltage has dropped below the minimum operating threshold.Low impedanceThe circuit resistance is lower than expected but not a direct short.Load deficiencyThe power supply has detected that the batteries cannot support the required system load.Power offThe system has lost primary AC power and is running on battery backup.Maintenance Not CleanAn addressable smoke detector has reached a contamination level of 80% or greater and is at high risk of false alarm.

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