14. Troubleshooting
The first and most important aspect of troubleshooting anything is to be systematic. Note where you
have looked and what you found.
Look first for the obvious.
• Make a physical inspection of the entire facility. Are all necessary connections properly made?
Do you see any signs of obvious damage within the equipment?
• Is the AC power ‘ON’ to the site and the equipment? (Check fuses and circuit breakers if
necessary.)
• Are all the switches in the correct operating position?
• Is the input signal present and at the correct level?
• Check display readings for presence of forward and reflected power and DC supply levels.
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