L17401-CL06JEN-E2-S02, REV. C INTRODUCTION TO TROUBLESHOOTING
Copyright © 2019 Amatrol, Inc.
S02-12
SKILL 2 TEST A MANUAL SWITCH
17. Perform the following substeps to insert a fault into SS1 and test it using an
out-of-circuit test.
A. If you are using manual fault insertion, obtain an open fault plug and plug
it into the station fault terminal labeled 10 in place of the standard jumper
plug. Then, skip to substep D.
B. If you are using the FaultPro software, type
10
in the Enter Fault fi eld.
C. Press the
Enter
key or click
to activate the fault.
Fault 10 is an open in the upper contacts of SS1.
D. Test the selector switch and record your results.
SS1 Resistance (operator in center) ______________________ (Ohms)
SS1 Resistance (operator in left) ________________________ (Ohms)
Component Status _________________________________ (Good/Bad)
This time you should fi nd that the multimeter measures infi nite resistance
in both conditions. This means that there is an open in the contacts. The
component is bad.
E. Click the
Clear Fault
button to clear the fault or remove the fault plug
and replace it with the standard jumper plug. After inserting the standard
jumper, go to step 19D.
18. Click
Exit
to exit the single fault mode and return to the Student Options
window.
19. Perform the following substeps to shut down the troubleshooting system.
A. Click the
Logout
button and then click the
Exit
button to exit the FaultPro
software.
B. Turn off the troubleshooting system.
C. Leave the fault cables connected between the troubleshooting unit and the
station panels.
D. Remove the lockout/tagout equipment from the safety switch. If this is
your last activity for the day, return the equipment to your instructor. If
not, continue.
