
✅ Status: Active / In Stock
We carry replacement main boards, backup batteries, and repair parts for the Edward’s EST 4.
Common EST 4 Trouble Codes
- MAP FAULT: The panel has detected an unexpected change in the physical wiring sequence or resistance between addressable Signature Series devices on the data loop.
- NETWORK FAULT: The main control panel has lost its IPv6 network communication with a remote annunciator or another node on the proprietary life safety network.
- GROUND FAULT: A field wire on an initiating loop or notification appliance circuit has made unauthorized contact with a grounded metal surface or conduit.
- OPEN CIRCUIT: A complete physical break in the wiring has been detected, preventing the loop controller from polling the downstream modules.

Is your active Edwards EST4 system displaying mapping faults or network communication errors on the touchscreen in your Austin high rise? Our licensed Firetrol technicians carry the advanced diagnostic tools required to troubleshoot these complex networks and keep your property fully compliant.
