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TRAK Machine Tools
Southwestern Industries, Inc.
ProtoTRAK SMX, K2, K3 & K4 & Retrofit Safety, Installation, Maintenance, Service and Parts List Manual
3.3.7 System Reboots by Itself
During operation, the screen suddenly blanks and then shows that the system has begun the boot-up sequence.
Possible Cause
Check This
Interruption of 110 V power to pendant
Using a Voltmeter, check the incoming 110VAC to the
pendant.
Poor wiring and cable connections
Check for any loose wiring or cables
Computer/Pendant failed
See Computer/Pendant
diagnostics Section 4.3
3.3.8 System Shuts Off
During operation, the system shuts off and will not turn back on.
Possible Cause
Check This
Fuse blown in pendant
Remove fuse and check continuity
Poor wiring and cable connections
Check for any loose wiring. Also, check the 110VAC
Power Cable connection from the 110VAC Power Strip
to the Pendant. See Electrical Section 4.8
Computer/Pendant has failed
See Computer/Pendant
diagnostics Section 4.3
3.3.9 Will Not Hold Calibration
The control will not hold calibration. Go to the "Configuration Values" screen and write down the calibration values for
the motor encoders (Encoder) and the position feedback encoders (scales or sensors). The calibration values are
written in Hexadecimal. Recalibrate the system and see if the values change. Turn the system off and on and
see if the values are held.
