59
TRAK Machine Tools
Southwestern Industries, Inc.
ProtoTRAK SMX, K2, K3 & K4 & Retrofit Safety, Installation, Maintenance, Service and Parts List Manual
Possible problems
Can lead to
Poor cable connections
There are 4 cable connections (6 spindle control) to
the left side of the pendant. Make sure all cables are
properly fastened.
Pendant locks up
Press the E-stop button and see if lock up clears if not
then do the following:
Turn the pendant off, wait at least 30 seconds, and
turn it back on and check to see if the malfunction has
been reset.
No voltage to RSG port
RSG will not work – should be 5 DC volts present
Check with a voltmeter.
Low voltage to flash drive or slave board. Can cause the system to lock up and the flash drive to
act abnormally. Check voltage to power cable at flash
drive module with voltmeter. It should be 4.8 DC
volts and above. Lower values than this can cause
problems.
Flash disk failure
If the flash disk fails, the system will not boot up or
operate. It will need to be replaced. All programs
and machine configurations will be lost. Make sure to
back up your flash disk from time to time.
Floppy disk failure
Will not allow user to save or pull up programs from a
floppy disk. Can the floppy drive format a disk? See
Section 4.3.1.
LCD backlight burns out
Check all cable connections to LCD, distribution board
and computer module. Make sure the power is turned
off before doing so.
Faulty E-stop switch
It can be stuck open or closed (pressed). If it is stuck
closed the pendant will need to be replaced because
the user will have no way to get rid of the message.
If it is open it will allow the machine to still operate
but it will be unsafe for the user. The pendant will
still need to be replaced.
Overlay failure (keys on pendant)
Certain buttons on overlay do not work. Do code 81
to verify each key beeps.
Low voltage to pendant or current spikes
1 amp fuse in pendant blows. Pendant will not turn
on.
4.3.1 Checking Floppy Drive by Formatting a Disk
1.
Find a new disk and install in floppy drive.
2.
Install keyboard into middle port.
3.
Press CTRL ESC to get to start menu.
4.
Press R for run.
5.
Type Format a: - press enter.
6.
If the format works your disk drive is working. If format does not work, reboot control and see if it now works. If it
does not work replace the computer module.
7.
Press ALT ESC to get back to PT4 software.
4.4 Motor Diagnostics
The Motor subsystem is comprised of 3 parts: The Motor Encoder and the Motor and Servo Driver. The motors are
powered by 110 VAC voltage. The servo driver is also an integral part of servo system, which is discussed in
detail in the next section.
WARNING!
Do not work with the motors unless the power is disconnected from the machine.
The motors are run by 110 VAC. There is possibility of death by electrocution!
