Questions and answers specific to the Edwards EST EST3.
The EST3 network supports up to 64 panels with a capacity of 2,500 addressable points per panel and a total network length exceeding 90 km (Page 1, 2) [1]. It...
The 3-MODCOM is a modem communicator module that provides dialer and modem functions for the EST3 system, connecting it to the switched telephone network (Page...
The EST3 performs battery testing through automated monitoring and manual technician procedures. The system automatically identifies defective power supplies...
To decode the address 03030681, use the standard PPCCDDDD format where PP is the cabinet, CC is the card or slot, and DDDD is the device or pseudo point (Page...
An EST3 node supports up to 10 addressable device circuits per cabinet (Page 18) [4]. These signaling line circuits (SLC) are provided by the 3-SSDC1 Signature...
Before replacing a CPU module, you must disconnect the standby battery and then remove AC power from the control panel to prevent equipment damage (Page 253)...
To determine the failed segment, identify where the network has split into independent sub-networks by checking which panels are still communicating. The fault...
I couldn't find a procedure in the manuals for uploading a project database from the panel to recover a lost SDU file. The manuals define downloading as the...
A Map Fault is caused by a mismatch between the expected circuit database and the actual devices or wiring conditions found on the Signature loop (Page 316)...
To isolate a ground fault (defined as 10 kΩ or less to ground), you must systematically narrow down the location by selectively disconnecting portions of the...
