Installation Guide

General Troubleshooting Information, Continued
Troubleshooting
If the red alarm indicator on the front panel of the module is illuminated, check
the OptoStar II ICIM display, the OptoStar II Console, or the OptoStar II NMS for
alarm code. See Alarm Code List (on page 3-13) to determine the cause of the
alarm. See the table below.
Alarm Possible Cause Servicing Instruction
High/Low DC
Output
Circuit failure
Contact the manufacturer for
servicing
Fan failure inside
the chassis/power
supply module
Fan Failure
Replace the fan, or contact
the manufacturer for
servicing
High Module
Temperature
•
High ambient
temperature leading
to insufficient heat
dissipation
•
Poor chassis
ventilation
•
Fan Failure
•
Ensure good ventilation
•
Put the chassis in a place
with good ventilation
•
In case of fan failure,
replace the fan, or
contact the
manufacturer for
servicing
CAUTION:
Do not open the enclosure of this module in any case. Opening the enclosure
may result in equipment damage, and you may lose the warranty eligibility.
4-4 Troubleshooting OL-29659-03