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15
Troubleshooting
Troubleshooting – Machine Fault & Operating Problems
Problem Probable Cause Solution
Spindle motor will not
turn
Electrical power supply
Check: the phases; the cables; the plug; the socket.
Also check that the motor connections are in place.
Transformer
Check that the voltages are present both on the input
and output. Otherwise replace.
Contactor
Check that the phases in it are present both on the
input and output, that it is not jammed, that it closes
when powered and that it is not causing short circuits.
Change if any of these problems are found.
Thermal relay
Make sure it is closed, i.e. check that the phases are
present in input and output, that it is not causing short
circuits and responds when the reset coil is closed. If it
has tripped to protect the motor, check the amperage
setting, reset, and check the motor. Change if
necessary.
Motor
Check that it has not burnt out, that it turns freely and
that there is no moisture in the connection terminal
board box. The winding can be rewound or replaced.
Parts
Ordering Replacement Parts
To order parts or reach our service department, call 1-800-274-6848 Monday through Friday (see our
website for business hours, www.waltermeier.com). Having the Model Number and Serial Number of your
machine available when you call will allow us to serve you quickly and accurately.
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