Wilton FK350-4 - Manual (Page 19)

19
Troubleshooting – Machine Fault & Operating Problems
Problem Probable Cause Solution
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, ie 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.
Spindle motor will not
turn
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.
Cutting Vise Valve
Make sure the valve is operating correctly, replace if
necessary.
Compressed air supply hose Check that air is not leaking through the cylinder seals.
For SX version: Cutting
vise will not close or will
not open
Vise cylinder
Check the hose is not kinked or blocked. Remove the
obstruction. Replace cylinder or cylinder seals
Parts
Ordering Replacement Parts
To order parts or reach our service department, call 1-800-274-6848 between 7:30am and 5:30pm (CST),
Monday through Friday. Having the Model Number and Serial Number of your machine available when
you call will allow us to serve you quickly and accurately.