User Manual Part 1

Troubleshooting 4-3MTX5000 User and Technical Manual
See Table 4-2 for a list of Outdoor Unit (ODU) error messages
and what to do when they appear.
Audio Modulator Fault Minor • Indicates internal
hardware fault.
• Call MRC Technical
Support.
Digital Modulator Fault Major • Indicates internal
hardware fault.
• Call MRC Technical
Support.
Digital Mod. Transport
Unlocked
Minor May indicate internal
hardware fault or invalid
input.
Digital Mod. Video
Unlocked
Minor Verify input video
connection.
Table 4-1: IDU Error Messages
Error Message Error Type
Suggested Technical
Staff Action
Table 4-2: ODU Error Messages
Error Message Error Type
Suggested Technical
Staff Action
+15V Powersupply
Error
Major • Indicates internal
power supply failure
and potential unstable
operation. Verify IDU
input power.
• Call MRC Technical
Support.
+12V Powersupply
Error
Minor • Indicates ODU power
supply failure. Verify
ODU cabling.
• Call MRC Technical
Support.
+11V Powersupply
Error
RFU Comm. Error Major • Indicates a
communication error
between the IDU and
ODU. Verify DC
power is being
supplied to the ODU
and verify RF cable
connection between
the IDU and ODU.
• Call MRC Technical
Support.