12 | P a g e
If continuity exists, go to step 4.
If 1, 2, or 3 above show no continuity it indicates a failure of the power cord, the power line cord,
or switch.
a. Check power line cord by checking for continuity between the white connection terminal on the
circuit board and the white lead at the terminal connection in the handle. Repeat with both the
black and yellow lead wires. If continuity exists go to step 4. If not, replace the power line cord.
b. Check power cord by checking for continuity between the wide blade on the power cord and the
white lead at the terminal connection in the handle and the narrow blade on the power cord to the
black lead at the terminal connection in the handle. If continuity exists go to step 4. If not, replace
the power cord.
c. Check the power switch by checking for continuity between the contacts as shown. Switch needs
to in low or high position. If continuity exists go to step 4. If not, replace the power switch.
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