Tweco CutMaster 101 with SL100SV - Manual (Page 73)

Manual 0-4642 5-9 SERVICE
5
I. Torch cannot be activated; AC indicator flashing; Gas indicator ON; Temp indicator OFF; DC
indicator OFF
1. System is in protective interlock mode. (Torch switch in CNC Controller in ON position while turning on power supply
ON / OFF switch.)
a. Release torch switch.
2. System is in protective interlock mode. (Torch parts are missing, defective, or loose.)
a. Release torch switch, and set power supply ON / OFF switch to OFF (down). Open main disconnect switch.
Check torch parts. Replace parts as needed. Reinstall shield cup; hand - tighten it securely against the torch
head. Do not overtighten. Do not use tools. Close main disconnect switch. Set ON / OFF switch to ON (up)
position.
J . Gas cycles on and off without torch switch being activated; AC indicator Flashing; Gas indicator ON; DC
indicator OFF
1. Torch tip or electrode missing
a. Shut off power supply. Remove shield cup, install missing part(s). Turn power supply ON / OFF switch to ON (up).
2. Start cartridge stuck or worn.
a. Remove the start cartridge. Check for excessive wear, plugged gas holes, or discoloration. Check the lower end fitting
for free motion. Replace if necessary.
Art # A-07168
Spring-Loaded Cylinder
at Full Compression
Spring-Loaded Cylinder
at Full Extension
1/8” (3 mm)
K. No cutting output; Torch pilots; Gas flows; Fans operate; AC , Gas , and DC indicator ON;
TEMP indicator OFF
1. Work cable not connected to work piece, or connection is poor
a. Make sure that work cable has a proper connection to a clean, dry area of the workpiece or the cutting table.
2. Faulty Torch
a. Return for repair or have qualified technician repair.