Specifications

Appendix B Alarms MX-2100/2104 Installation and Operation Manual
B-2 Alarm Messages
Table B-1. LCD Alarm Messages (Cont.)
Code Message - LCD Message - Terminal Alarm
Type
Description
7 PS-B 12V FAIL PS-B 12V FAILURE State One or both of the ±12V voltages
provided by the KPS-B module is
missing or is out of the allowable limits.
Replace the module
8,9 DB 1 CHKSUM ERR
DB 2 CHKSUM ERR
DB 1 CHKSUM ERROR
DB 2 CHKSUM ERROR
Event The checksum of one of the data bases
stored by the KCL module does not
match the checksum calculated after
power-up. The default data base must
be loaded
10 BANDWIDTH OVF BANDWIDTH
OVERFLOW
State The total bandwidth required for the
active channels exceeds the main link
data rate. Change channel configuration
as required, or increase the main link
data rate
11 ALM BUF OVF ALARM BUFFER
OVERFLOW
State The number of alarms stored in the
MX-2100 alarm buffer exceeds the
maximum allowable number (100).
New alarms are now written over
previous alarms
12 FALLBACK CLK USE CLOCK WAS
CHANGED TO
FALLBACK
State The fallback timing reference source has
been selected for use
13 INTERNAL CLK USE CLOCK WAS
CHANGED TO
INTERNAL
State The internal oscillator is now used as a
timing reference source, as a result of
the simultaneous failure of both the
master and fallback clock sources
14 CL HDR FAILURE CL HARDWARE
FAILURE
State A technical failure has been detected in
the KCL module circuits. Replace the
module
15 REM SYNC LOSS REMOTE SYNC LOSS,
SLOT i
State The KML module installed in the
specified slot (ML-A, ML-B) of the
remote MX-2100 unit lost
synchronization. This message is
displayed only when downloading is
enabled
16 DOWNLOAD ERROR DOWNLOAD ERROR State Errors are detected in the data received
through the management channel
17 I/O SYNC LOS I/O SYNC LOSS,
SLOT i
State The KLS.2 module installed in the
specified I/O slot (1 through 12) of the
local MX-2100 unit lost synchronization