Edwards EST EST4

68 views·0 field notes

What This Code Means

This condition occurs when a substituted device is a different model than the suspect device but is preprogrammed with the same device address.

Common Causes

1Substituted device is a different model than the suspect device
2Device preprogrammed with the same address as a different model
3Incorrect device model installed during replacement

Resolution Steps

To remove the fault, you must accept the model of the known good device using the 4-CU or replace the substituted device with a model that matches the suspect device.

Manual References(2)

1edwards estEST4Installation2019p. 234, 149, 152, 233, 148 +13Open

2edwards estEST4 User GuideUser Guide2019p. 54, 7, 6Open

Field Notes

Loading field notes...

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.TroubleGeneral fault within the system hardware or wiring that prevents normal operation.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.Maintenance Not CleanAn addressable smoke detector has reached a contamination level of 80% or greater and is at high risk of false alarm.