Specifications

4000326 Rev A Receivers 2-69
Troubleshoot Alarm Conditions
Introduction
The following troubleshooting information helps identify possible causes and
solutions to receiver alarm conditions.
Troubleshooting Alarms
If the red Alarm indicator is illuminated or blinking, check the ICIM display or the
appropriate LCI screen to determine the cause of the alarm.
Refer to the following table for troubleshooting assistance.
Alarm Description Possible Causes Possible Solutions
InPwr1 Optical input 1 Broken fiber Check fiber.
InPwr2 Optical input 2 Receiver failure Check receiver.
Ambient temperature is too high
due to:
• Air conditioner malfunction
Diagnose the problem
and repair or replace
as needed.
• Airflow through the rack is
restricted or cut off
Ensure the airflow
system has not been
damaged or removed.
Repair or replace as
needed.
ModTemp Module temperature
• Fan tray cooling fans are not
operating properly
Troubleshoot the fans.
For help, telephone
the Scientific-Atlanta
assistance center in
your area.
PsOK Bus voltage status Power supply faulty Check power supply.