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CHAPTER 7: TROUBLESHOOTING
7.1 EXTERNAL FAILURE
TABLE 7-1. EXTERNAL FAILURE TROUBLESHOOTING TIPS
PROBLEM POSSIBLE REASON POSSIBLE SOLUTION
Matrix cannot be started anymore Fuse at the standard appliance outlet Check fuse
7.2 VIDEO INTERFERENCE
TABLE 7-2. VIDEO INTERFERENCE TROUBLESHOOTING TIPS
PROBLEM POSSIBLE REASON POSSIBLE SOLUTION
Cannot open the OSD No OSD jumper set Set jumper 11 on the CON unit
Incorrect video display Cable connection disabled Check the connection, length and quality of the interconnect cable to the units
7.3 FAN MALFUNCTION
TABLE 7-3. FAN MALFUNCTION TROUBLESHOOTING TIPS
PROBLEM POSSIBLE REASON POSSIBLE SOLUTION
Fans only run under full load
Communication to fan tray
is not working
Remove and reinstall fan tray
Swap both fan trays to the other slot
Restart the matrix
Fans do not run, LED OK on Fans defective Contact Black Box Technical Support at 877-877-2269 or info@blackbox.com
Fans do not run, LED OK off Power supply Check power supply and power connection
7.4 POWER SUPPLY UNITS MALFUNCTION
TABLE 7-4. POWER SUPPLY UNITS MALFUNCTION TROUBLESHOOTING TIPS
PROBLEM POSSIBLE REASON POSSIBLE SOLUTION
Matrix does not start
Power supply units could not be locked
correctly
Check lock and plug-in of the power supply units
No power supply available Check if power supply cables are connected correctly
Power supply units are not switched on Check switch on the power supply units
7.5 NETWORK ERROR
TABLE 7-5. NETWORK ERROR TROUBLESHOOTING TIPS
PROBLEM POSSIBLE REASON POSSIBLE SOLUTION
Network settings are not assumed after editing Restart of the matrix is not yet completed Restart the matrix
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