Specifications

4000326 Rev A Transmitters 1-57
Troubleshoot Alarm Conditions
Introduction
The following troubleshooting information helps identify possible causes and
solutions to transmitter alarm conditions.
Troubleshooting Alarms
Refer to the following table for troubleshooting assistance.
Alarm Condition Possible Causes Possible Solutions
Power connection is
loose.
Secure all power connections and
the line cord.
AC power failure.
Check other displays for power
indication.
AC power is off
Module indicator is
burned out.
Contact Scientific-Atlanta for a
replacement.
For instructions, refer to Chapter 6,
Customer Information.
Status monitoring not
in use.
Normal situation. The SM
indicator lights only when the
transmitter has received data
within the last 10 minutes.
SM connection is loose. Secure the SM connector.
SM indicator is off
SM indicator is burned
out.
Contact Scientific-Atlanta for a
replacement.
For instructions, refer to Chapter 6,
Customer Information.
Fiber path is broken
with bends or bad
path.
• Check optical cable for breaks
or bends tighter than the fiber
specification, and correct the
situation.
• Clean fiber connections. For
instructions, refer to Fiber
Optic Connector Cleaning
Procedure later in this section.
Optical power is
low or off
Power failure.
Ensure that all AC power is present
and all power connections are
secure.