Tweco 15mm Cutmaster - Manual (Page 33)

cutmaster 15mm
Manual 0-5178 5-3 SERVICE
3. Indicator blinking (3 sec ON/3 Sec OFF).
a. Torch switch was depressed before machine was completely powered up. Turn ON/OFF switch to
OFF position and the restart the machine by turning the power switch to ON.
C. Air indicator OFF
1. Gas pressure too low. Check supply pressure.
D. TEMP indicator ON, (AC indicator ON)
1. Unit air flow obstructed.
a. Check for blocked air flow around the unit and correct condition.
2. Fan blocked.
a. Check for blocked status and correct condition.
3. Unit is overheated.
a. Keep the machine plugged in and turned on for five minutes. This will allow the fan to run and cool
the machine.
4. Faulty components in unit
a. Return for repair or have qualified technician repair per service manual.
E. Torch will not pilot, when torch trigger is activated.
1. Faulty parts in torch
a. Check torch parts per section 4.02; replace as needed.
2. Gas pressure too low
a. Adjust supply pressure to proper setting value.
3. Faulty components in unit
a. Return for repair or have qualified technician repair per service manual.
F. No cutting output when torch is activated; AC indicator ON, gas flows, fan turns.
1. Torch is not connected properly to power supply.
a. Check torch connection to power supply.
2. Working 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 work piece.
3. Faulty components in unit
a. Return for repair or have qualified technician repair per service manual.
4. Faulty torch
a. Return for repair or have qualified technician repair.
G. Torch cuts but not adequately
1. Incorrect setting of output current control
a. Check and adjust to proper setting.