iCNC PERFORMANCE
Manual 0-5399 MAINTENANCE / TROUBLESHOOTING 6-5
Problem Cause What to check
Ohmic sensing does not
work
Poor connection Check for proper connection between voltage divider ohmic and
torch ohmic clip
Check for proper connection between torch ohmic clip and con-
sumable
6.4.3 Motion issues
Problem Cause What to check
Motors won’t move Enable OFF Turn enable switch to ON
SW Enable OFF See error messages.
Speed set to 0 Turn the speed potentiometer to 100%, press the speed up button
to increase the speed.
External stop active Check continuity between E1 and E2 in the power connector.
Motors move slowly Limit switch tripped Check limit switches
Collision tripped Check collision sensor
Speed set to low Turn the speed potentiometer to 100%, and/or press the speed up
button to increase the speed.
6.4.4 Boot and power issues
Problem Cause What to check
Unit will not power up No main power Measure 24VDC power input, replace power supply.
Poor power connection Check for proper power connector connection.
Over current fuse tripped Remove all cables, leave power off for 1min. Connect only the
power cable and try to boot. If CNC powers up connect cables 1 at
a time to find out which one is causing the issue.
Unit shuts down during
IHS Start
Poor input power Check that power supply is rated minimum of 6.5A. Check that
voltage does not drop during rapid torch movement.
Unit will not boot
(white screen)
Temperature too low Check that temperature is inside specs. Wait until system warms
up.
Unit will not boot to
windows
Bios settings lost Change correct bios settings, see service manual for correct bios
settings.
Data on the screen fills
only part of the screen
Bios settings lost Change correct bios settings, see service manual for correct bios
settings
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