EST EST3X - Signature data loop troubleshooting basics

Chapter 7: Service and troubleshooting
EST3X Technical Reference Manual 189
Address
Label Source Description
0608
Waiting for SDU
Download
3-ASU (EAEC) The database download from the SDU is in
progress or incomplete
0609
Panel in Download
Mode
CPU The panel is out of service to accept
download data
0609
Configuration Fault General • A module is in the wrong slot
• An incorrect control-display is on the
host module
0610
Network Audio
Circuit A Fault
CPU There is a loss of signal on the primary
audio connection
0610
Rail Voltage Out of
Spec
3X-NET
RS-485
• The rail voltage is >30 VDC or <21 VDC
• There is an excessive rail current load
• The rail is faulty or misadjusted
0610
Telephone Line 1 3-MODCOM A line-cut fault is detected on phone
line 1
0611
Network Audio
Circuit B Fault
CPU There is a loss of signal on the secondary
audio connection
0611
Telephone Line 2 3-MODCOM A line-cut fault is detected on phone line 2
0612
Receiver Test Line 1 3-MODCOM The line 1 test transmission to the CMS
failed
0612
Unexpected Card CPU An undefined card is detected
0
613 Bat Cut Off 3X-NET
RS-485
The battery voltage is
below 19.5 VDC when
on standby battery
0613
Receiver Test Line 2 3-MODCOM The line 2 test transmission to the CMS
failed
0614
AC Brownout 3X-NET
RS-485
AC line voltage is
below 93 VAC at 50/60 Hz
06
14 RS-232 Channel 3-MODCOM There is a communication failure with the
RS-232 card on the module
0615
Batt Trbl 3X-NET
RS-485
• There is an open on the wiring
• The battery voltage is below 20.4 VDC
• The battery internal resistance is too
high (load test failure)
0616
Network Class A
Circuit A Failure
CPU The CPU is unable to receive data on data
riser circuit A
0617
Network Class A
Circuit B Failure
CPU The CPU is unable to receive data on data
riser circuit B
0617
DSP Supervision 3-MODCOM The DSP chip on the module failed