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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK VMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
3.3.3 Blank Display
VMC seems to be operational; however, the display is blank.
Possible Cause
Check This
Electronics did not power on properly.
Reboot VMC by turning off power, reapply power and
see if problem goes away.
Cable connections loose
Check for working LEDs on run panel, if working press
keys on programming panel. Should hear a beep, if not
working check two cables (backlight and LCD comm
cables) as shown:
Failure on programming panel
Replace programming panel
Power is not getting to programming
panel
Check for working LEDs on run panel. If LEDs not
working, move to electric cabinet and check power cord
is plugged into the panel. Then verify LEDs are working
in such as: 24V, 5V, 3.3V, and 1.2V as shown below.
The 24V is the most important to make sure it is
working. If not working, replace computer module.