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Requests
supervisory

Edwards EST EST4

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What This Code Means

A user or node is requesting to take control of the system functions.

Common Causes

  • 1Remote command center login
  • 2Multi-node control contention

Resolution Steps

Grant or deny the control request through the user interface action bar.

Manual References(2)

Field Notes

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Related Codes

SUPERVISORYThe control unit enters the supervisory state when a point signals a supervisory condition, such as a valve tamper switch activation or a system-level supervision fault.A short is detected on the loopA shorted circuit has been detected on the Signature loop controller (SLC) wiring, which typically reports a trouble condition on all devices on that circuit.Ground faultThe system detects a low resistance path (approximately 10 kΩ or less) between a circuit conductor and earth ground, or voltages outside the range of 12.3 VDC to 16.8 VDC during testing.TroubleGeneral fault within the system hardware or wiring that prevents normal operation.bad type faultThis condition occurs when a substituted device is a different model than the suspect device but is preprogrammed with the same device address.

Related Questions

How do I perform a walk test on the EST4, and can individual SLC loops be isolated for testing?What are the battery sizing requirements for the EST4, and what is the replacement procedure?What is the maximum SLC loop length and device count per loop on the EST4?
All EST4 trouble codesEST4 panel page