44
TRAK Machine Tools
Southwestern Industries, Inc.
ProtoTRAK SMX, K2, K3 & K4 & Retrofit Safety, Installation, Maintenance, Service and Parts List Manual
Excessive friction in the sliding ways
Lubrication, gib adjustments, gib locks.
See Machine Tool & Setup -
Section 4.1
Looseness in the drive train
Especially the tightness of the drive assembly.
See Mechanical Drive Train (X, Y) -
Section 4.2
3.3 Problems Relating to the Operation of the Control
3.3.1 Display Blanks
The display is completely blank.
Possible Cause
Check This
Screen saver has been activated
Press any key to turn back on. All LED keys on
pendant will blink when the screen saver is on. Press
any key to deactivate. Hitting this key will not
activate any feature on the control.
The system has shut down
Turn the power switch off, check the computer/
pendant fuses and cable connections. See Electrical
Section 4.8
Poor cable connection from Computer
Module to LCD (Liquid Crystal Display)
Double-check the connection from the computer
module to the LCD.
Fuse blown in pendant
Remove fuse and check continuity
Computer/Pendant failed
See Computer/Pendant Section 4.3
3.3.2 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
Computer/Pendant failed
See Computer/Pendant Section 4.3
3.3.3 Keyboard Lockup
The screen display is normal, but the system will not respond to key presses.
Do the following Service Codes and procedures:
Code 81
To check if the pendant keys are working properly, press each key. If a key is working properly,
the corresponding key on the screen will light up in yellow. The pendant will also beep.
Possible Cause
Check This
Voltage drop/spike has occurred
Shut down the system and wait 10 seconds to reboot
the system.
Remote Stop-Go (RSG) switch has a
short (if connected)
Remove the RSG. Turn the system off and then on
again. If the problem goes away and then re-appears
when the RSG is plugged-in, replace the RSG.
Computer/Pendant failed
See Computer/Pendant Section 4.3
3.3.4 Fault X or Y
The program run or jogging operation is interrupted with a Fault Message on the display.
Do the following Service Codes and procedures:
Code 33
Software Identification. This is needed if you call SWI Customer Service.
Code 11
Measure's the backlash in the system. Only used on machines with Dual Feedback systems.
Code 12
Feed Forward Constant.
Code 100
Axis open loop test.
Used to check the maximum feedrate of an axis and if the encoders are
counting.
