Table of Contents
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E x t e r i o r of the Control
C a b i n e t .
Check the control panel
exterior for contamination
and/or damage.
nections inside the
cabinet for tightness.
Check the cables and
lead bundle inside the
cabinet for damage.
(2)
Check Screw Terminals for
T i g h t n e s s .
block
Power on /off pushbutton
switches on MDI and CRT
unit.
terminal block
cover, if any, for
dislocation.
(3) Connect External Cables.
Check that the cable
shield is connected to the
ground block through a
clamp.
Check that a protective
ground wire is installed
between the NC and the
machine tool.
Check that the protective
ground wire is of a one-
point ground type.
Protective ground wire
137
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Table of Contents
Troubleshooting
