GRASS VALLEY Profile XP PVS1000, Service Manual

Page: 80 / 172

Chapter 8 Troubleshooting miscellaneous system problems
80 Profile XP Service Manual 23 July 2004
Checking Real Time Processor board NetCentral
messages
These are the NetCentral Warning and Alarm messages you might see:
Checking power supply, fan, and thermal
NetCentral messages
These are the NetCentral Warning and Alarm messages you might see if problems
occur in a power supply or fan unit, or if the chassis temperature rises too high.
Symptom Possible Causes Solution
The Profile is not in sync with
the external reference signal.
You will be unable to adjust
video output timing. If audio
clock reference is set to system
reference, and not the incoming
video, recorded audio may pop,
crack, or be out of sync. • Signal not present from source
• Input cable disconnected.
• Defective board. Do one or more of the following:
• Check input cable and signal.
• Check that reference black
signal is present and clean.
• Try restarting Profile XP
system if cables and signals OK.
• Replace the Real Time
Processor board.
• Contact Support.
The reference timing system
failed to initialize correctly.
The Profile has locked to the
external reference timing signal.
Symptom Possible Causes Solution
The upper system power-supply
unit has failed or has been
removed. Check AC line voltage or
replace power supply unit.
Replace the power supply as
soon as possible.
The upper system power-supply
unit resumed operation.
The lower system power-supply
unit has failed or has been
removed. Check AC line voltage or
replace power supply unit.
Replace the power supply as
soon as possible.
The lower system power-supply
unit resumed operation.
One or more system
cooling-fans have failed or the
fan assembly has been removed. Replace the fan unit as soon as
possible.
The system cooling-fans
resumed normal operation.
Internal temperature of X
degrees C. exceeds
recommended operating range.
NOTE: This message appears
for both Warning and Alarm
conditions. Check for:
• faulty boards
• overheating power supplies
• faulty fans
• blocked vents Do one or more of the following:
• Take appropriate steps to cool
the system.
• Replace faulty components.