Basic Trouble Shooting Guide - Thermal Dynamics CUTSKILL C-35C Service Manual

6.02 Basic Trouble Shooting Guide

Problem - Symptom Possible Cause
Power Switch is on 1. Improper electrical connection.
but the A/C Indicator 2. System was overloaded.
does not light 3. Switch may be faulty
Primary power 1. No power or incorrect power to
switch is on, but the fan.
cooling fan does not 2. Faulty fan.
work.
No air flow at torch 1. Internal connection is loose or
when air check disconnected.
switch is turned on. 2. Internal air supply / compressor
not working.
3. Control PCB faulty
Torch will not pilot 1. Air pressure too high or too
when torch switch is low.
activated. 2. Torch consumables missing.
3. Worn or faulty torch parts
4. Thermal Switch activated
Pilot / transfer arc 1. Torch removed from work piece
goes out and or moved away from metal being
doesn't reactivate cut
Cut performance is 1. Worn torch parts.
diminished. 2. Poor Work Lead connection.
3. Current sensor or PWM PCB
faulty.
Air flows 1. Torch Switch Latch button on
continuously and front panel faulty.
torch switch latch 2. Control PCB faulty.
button doesn't work
properly.
TROUBLE SHOOTING
Recommended Action
1. Check input power source and fuse. Check input cable and
connections.
2. Turn Primary Power Switch Off and then On again.
3. Return to authorized service center for repair or replacement
1. Check electrical connections to fan.
2. Return to authorized service center for repair or replacement
1. Check all air line connections and fittings.
2. Return to an authorized service center for repair.
3. Return to an authorized service center for repair.
1. There is no adjustment, return to an authorized service
center for repair..
2. Turn off power supply. Remove shield cup. Install missing
parts.
3. Inspect torch consumable parts. Replace if necessary.
4. Allow the cooling fan to run for 2 minutes or longer until it
will resume operation.
1. Release torch trigger and re-establish the pilot arc. See
block diagram Appendix 1
1. Check current setting. Check the Electrode and Tip for
excess wear.
2. Check the connection of the Work Lead to the work piece.
3. Return to an authorized service center for repair or
replacement.
1. Return to an authorized service center for repair or
replacement.
2. Return to an authorized service center for repair or
replacement.
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