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CHAPTER 7: TROUBLESHOOTING
In Chapters 7 and 8, support for problems with the Compact KVM Matrix Switch is provided. It is assumed that fully operational
CPU and CON Devices are available, which can be tested over a peer-to-peer connection using CATx or fiber cables. Refer to the
relevant manuals for assistance with this if necessary.
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 do not run, LED OK on
Fans defective
Contact Black Box Technical Support at 877-877-2269 or [email protected]
Fans do not run, LED OK off
Power supply
Check power supply and power connection
7.4 FAN MALFUNCTION
TABLE 7-4. POWER SUPPLY UNITS MALFUNCTION TROUBLESHOOTING TIPS
PROBLEM
POSSIBLE REASON
POSSIBLE SOLUTION
Matrix does not start
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