Siemens MXL-IQ, Operation, Installation, And Maintenance Manual

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J-4
Appendix J
Trouble Message The Probable Cause Is:
Log FULL, Events Will Be Lost History Log is full. Use extract history in
CSG-M to reset the MXL-IQ history log
Loss of 24V Input Power A CZM-4 has lost its 24 VDC input.
Low Battery Voltage Battery voltage readings low; the battery
requires recharge/replacement.
Low IEC Voltage, Service Req Defective device.
Memory Error In RAM Test An error was detected in RAM memory IC
112 or IC 113.
Memory Error in ROM test An error was detected in the EPROM IC
111 or IC 110
Memory Upgrade Required Starting with revision 6.00, the MXL-IQ
requires a memory upgrade (RAM) in
socket IC113.
Missing Device ID Response An ALD module has not returned an ID Poll
response for any of its detectors or devices.
NOTE: This trouble will accompany module
not responding for missing ALD modules.
Module Comm Failure When network communications are
interrupted, and then restored, all module
addresses affected report this trouble.
Module Not Responding The module assigned in CSG-M at this
address is not responding.
Module RAM Failure The CRM-4, CSM-4, or CZM-4 at this
address has determined that its internal
RAM is not operating properly.
Module ROM Failure The module at this address has a ROM
checksum failure.
MOI-1 Local Trouble This trouble is reported when the TRBL IN
input of the MOI-7 is driven high.
MOI-1 Voice System Trouble This condition is caused by driving the
TRBL IN of the MOI-7 high with voice
modules configured in CSG-M for this
module.