Cisco Cisco Prisma II EDR Receiver Installation Guide
4-4
Maintenance and Troubleshooting
78-715189-01 Rev C
Troubleshooting Alarm Conditions
Headend Driver Amplifier Alarm Conditions
If the red ALARM indicator is illuminated or is blinking, check the table below to
determine the cause of the alarm.
Alarm
Status
Possible Causes
Possible Solutions
ALARM
Indicator
Illuminated
Current
Failure
Hybrid amplifier
failure.
The module is faulty and
should be replaced.
ALARM
Indicator
Blinking
Current too
High or Low
Hybrid amplifier
problem.
The module may be
faulty and should be
repaired or replaced.