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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TRL Lathe, ProtoTRAK RLX CNC Safety, Installation, Maintenance, Service & Parts List
3.1.3 Pendant Does Not Power On
This issue may be caused by a lack of power to the Pendant
Possible Cause
Check This
No Power To the Pendant
Check the I/O Cable (DB25 Connector) cable is connected
to both the Pendant and the Computer Module.
Disconnect the cable and verify there are no bent pins or
sockets pushed out of position in the connectors.
No Power on the Computer Module
On the Computer Module, check the status LED labeled
+24VDC next to the I/O Cable from the Pendant. If the
LED is off, check the power input to the Computer
Module.
Power Problem in the Pendant
On the rear of the Pendant, review the Status LED group.
All three of the power LEDs should be on: 24VDC, 12VDC
and 5VDC. If one or two of the LEDs are not ON, replace
the pendant.
3.1.4 Screen Problems
3.1.4.1
Screen is Blank but LCD Backlight is Visible
To check for this symptom, Use a flashlight to see if you can see our software running in the
background. This means that the pendant module needs to be replaced.
Possible Cause
Check This
LCD Backlight Issue
Use a flashlight to shine light on the LCD screen. If
character/graphics can be seen, the Pendant should be
replaced.
Power Problem in the Pendant
On the rear of the Pendant, review the Status LED group.
All three of the power LEDs should be on: 24VDC, 12VDC
and 5VDC. If one or two of the LEDs are not ON, replace
the pendant.
3.1.4.2
Bad Picture on the Display
The display has strange characters, horizontal bars or other unfamiliar images, or the display
continually rolls.
Possible Cause
Check This
Poor cable connection in Pendant
Check Power LEDs as in 3.1.4.1
Replace Pendant if issue is not resolved.
3.1.5 RSG Button Does Not Work
Possible Cause
Check This
RSG Connection
Disconnect the RSG and confirm the pins/sockets on the
connectors of the RSG and Pendant are not bent or
pushed in. Reconnect the RSG.
