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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TRL Lathe, ProtoTRAK RLX CNC Safety, Installation, Maintenance, Service & Parts List
Internal Pendant Issue
Jumper across the two metal sockets on the RSG
connection on the Pendant. Review the LED status “RSG-
BT” on the rear of the Pendant. The LED should be ON.
If this is not the case, replace the Pendant.
3.1.6 System Does Not Respond to Numeric Keys Button Presses
The Numeric Keys are the keys to the right of the LCD screen. (This does not include the keys
below the screen.)
Possible Cause
Check This
Software not seeing the Key Press
Press any of the numeric keys. Confirm the “Key Press”
LED in the status LEDs group on the rear of the Pendant
is ON while the key is pressed. If this does not happen,
power cycle the power and repeat. Perform the next test
below.
Keypad not functioning
Use Service Code 81 to determine if any the keys are not
functioning. Replace the Pendant if any keys are non-
function or intermittent functionally.
3.1.7 System Does Not Respond to Critical Keys Button Presses
The Critical Keys overlay is found below the touchscreen.
Possible Cause
Check This
Software not seeing the Key Press
Press any of the numeric keys. Confirm the associated
LED in the status LEDs group on the rear of the Pendant
is ON while the key is pressed. If this does not happen,
power cycle the power and repeat. Replace the Pendant
if the problem still exists.
3.1.8 Door Guards Not Working Properly
On USA machines, door guards are turned off by default. Make sure they are turned on, if you have
this option installed, by using service code 331. Door guard switches are wired Normally Open.
Possible Cause
Check This
Switch Connection Issue
Check the door guards are connected at the Computer
Module. Disconnect and reconnect. Power cycle the
Computer Module. Use Service Code 521 to see all the
inputs.
Internal Issue
With the door guard closed, verify LED Status GRD3 is
ON. If this is not working, jumper across the input on the
Computer Module. If this LED does not come On or the
“DOOR OPEN” message persists, replace the Computer
Module.
