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Troubleshooting (continued)
Motor (continued)
Trouble Probable Cause Remedy
Starting switch in
motor will not oper-
ate.
1. Burned switch con-
tacts (due to
extended hold-in peri-
ods caused by low
line voltage, etc.)
2. Shorted capacitor
3. Loose or broken con-
nections.
1. Have switch replaced and request
a voltage check from the power
company.
2. Have capacitor tested and replace
if defective.
3. Have wiring checked and repaired.
Motor stalls
(resulting in blown
fuses or tripped circuit
breakers).
1. Starting switch not
operating.
2. Voltage too low to
permit motor to reach
operating speed.
3. Fuses or circuit break-
ers do not have suffi-
cient capacity.
1. Have switch replaced.
2. Request voltage check from the
power company.
3. Install proper size fuses or circuit
breakers.
Frequent opening of
fuses or circuit break-
ers.
1. Motor overloaded.
2. Fuses or circuit break-
ers do not have suffi-
cient capacity.
3. Starting switch not
operating (motor does
not reach speed).
1. Take shallower cuts.
2. Install proper size fuses or circuit
breakers.
3. Have switch replaced.
6489c12wlEhalf_final.fm Page 50 Friday, April 25, 2003 3:40 PM