ELECTRIC PROTECTIVE SYSTEM
INTRODUCTION TO THE TROUBLESHOOTING GUIDE
The troubleshooting guide, when followed exactly as shown, can be an
aid for the serviceman to find if a problem exists, and to find the cause of
the existing problem.
SYSTEM TROUBLESHOOTING CHARTS
The troubleshooting charts that follow show a definite sequence to be
followed for a logical, one by one elimination of many variables. There are
specific procedures written to check out different components of the
system, and they can be found at the end of the troubleshooting charts.
When the chart makes reference to a specific procedure, do this
procedure before proceeding any farther in the chart.
When a problem is found and corrected, always check the system
again by use of verify procedure as shown at bottom of charts.
Some areas of the charts say to go to an alphabetical letter. When
told to go to this specific letter, find this letter with a circle around it in the
chart. Follow the test procedures from this point to the bottom of the