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4
Troubleshooting
4-1
MRX4000 PLUS
Operator’s Guide/
Technical Reference Manual
Troubleshooting
4.1
Chapter Overview
This chapter describes how to troubleshoot your MRX4000
PLUS High Performance Digital Integrated Receiver
Decoder (IRD) (MRX4000 PLUS).
Here are the topics covered:
4.2
Status LEDs
The MRX4000 PLUS front panel contains three status LEDs.
The LED indications are listed in
Table 4-1
.
Topic
Page
Status LEDs
4-1
Error Codes
4-2
Table 4-1: Status LED Indications
LED
Meaning
Suggested Action
POWER
Off
Power is not on in the unit.
•
Turn on power
switch, as required.
•
Turn on power
source, as required.
•
Check and replace
fuse, as required.
POWER
Green
Power is on.
None.
ALERT
Amber
Minor Alarm
- Power is on
but some part of the system
reports an abnormal
condition that requires
attention. Condition might
impair performance.
Check alphanumeric
display
System Menu >
Active Errors
menus
for error messages or
error codes.
Troubleshoot using
tables in this chapter.
ALARM
Red
Major Alarm
- Power is on
but there is a serious failure
or error that will prevent
normal operation.
Check alphanumeric
display
System Menu >
Active Errors
menus
for error messages or
error codes.
Troubleshoot using
tables in this chapter.
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