Grass Valley K2 Media Client Service Manual v.3.3 - Manual (Page 103)

June 25, 2009 K2 Media Client Service Manual 103
Thermal problems
Thermal problems
Codec board problems
Investigate the problem further as described in the following table. If the problem
persists, contact Grass Valley Support.
Power supply problems
If the power source and the power cord are OK, replace the power supply. Refer to
“Power supply removal” on page 119 .
Problem Possible Causes Corrective Actions
The fans are noisy or otherwise
run erratically. The K2 Media
Client overheats. This can be
accompanied by a StatusPane
message indicating a
temperature or fan problem. Airflow is blocked.
The fan module is not operating
correctly.
Ensure adequate airflow around
the K2 Media Client.
Inspect the fan module and its
connections for proper
operation. If the fans are not
operating correctly, replace the
fan module as explained in
“Fan
module removal” on page 117 .
Problem Possible Causes Corrective Actions
A system status message
indicates a problem with the
codec board. The codec board and/or riser
board are not connected properly
or are faulty. Visually inspect the RTP board
and codec board. Make sure they
are connected properly and there
is no sign of physical damage.
Restart the K2 Media Client. If
the problem persists, replace the
codec board. Refer to
“Codec
board removal” on page 124 .
Problem Possible Causes Corrective Actions
The K2 Media Client will not
power on or power fails while
the K2 Media Client is in
operation. This can be
accompanied by a StatusPane
message indicating a power
supply problem prior to the
failure. The power source is faulty. Make sure your power source is
reliable.
The power cord is faulty. Try another power cord.
The K2 Media Client is too hot.
The built-in overtemperature
protection can shut down the
power supply.i Check for thermal problems.
Cool the K2 Media Client.
The power supply is faulty. This
is indicated if the front panel
power indicator does not come
on. Replace the power supply