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CUTMASTER 40
5.05
Basic Troubleshooting Guide
WARNING
There are extremely dangerous voltage and power levels present inside this unit. Do not attempt to diagnose or repair
unless you have had training in power electronics measurement and troubleshooting techniques.
Problem -
Possible Cause
Symptom
ON / OFF Switch
1. Primary power disconnect is in OFF
is ON but the A/C
position.
Indicator does not
2. Primary fuses / breakers are blown
light
or tripped.
3. Faulty components in unit.
Fault indicator
1. Primary input voltage problem.
showing Error
Code E02
2. Faulty components in unit.
TEMPERATURE
1. Air flow through or around the unit is
LED ON.
obstructed.
Communication
2. Duty cycle of the unit has been
Fault showing HI
exceeded.
3. Failed components in unit.
GAS LED OFF,
1. Gas supply not connected to unit.
Communication
2. Gas supply not turned ON.
Fault showing LoP
3. Gas supply pressure too low.
4. Failed components in unit.
FAULT and
1. Shield Cup loose.
Communication
2. Torch not properly connected to power
Fault showing PIP
supply.
3. Problem in torch and leads PIP circuit.
4. Failed components in unit.
FAULT and
1. Torch shield cup is loose.
Communication
2. Torch tip, electrode or starter cartridge
Fault showing PIC
missing.
3. Torch start cartridge is stuck.
4. Unit inlet gas pressure is too high
causing continuous gas flow.
5. Open conductor in torch leads.
6. Problem in the torch and leads switch
circuit.
7. Failed components in unit.
42
Recommended Action
1. Turn primary power disconnect switch to ON position.
2. a) Have qualified person check primary fuses / breakers.
b) Connect unit to known good primary power receptacle
3. Return to authorized service center for repair or replacement.
1. Have qualified person check primary voltage to insure it meets unit
requirements see Section "2.05 Input Wiring Specifications" on page
19.
2. Return to authorized service center for repair or replacement.
1. Refer to clearance information – see Section "2.04 Power Supply
Specifications" on page 18
2. Allow unit to cool.
3. Return to authorized service center for repair or replacement.
1. Connect gas supply to unit.
2. Turn gas supply ON.
3. Set air supply inlet pressure to unit to 120 psi. Set leads length to
match the actual length being used.
4. Return to authorized service center for repair or replacement.
1. Hand tighten the shield cup until it is snug.
2. Insure torch ATC is securely fastened to unit.
3. Replace torch and leads or return to authorized service center for
repair or replacement.
4. Return to authorized service center for repair or replacement.
1. Tighten shield cup by hand. Do not over tighten.
2. Turn OFF power supply. Remove shield cup. Install missing parts.
3. Turn OFF power supply. Bleed down system pressure. Remove shield
cup, tip and start cartridge. Check start cartridge lower end fitting for
free movement. Replace if fitting does not move freely.
4. Decrease gas supply pressure to 125 PSI or less.
5. Replace torch and leads or return to authorized service center for
repair or replacement.
6. Replace torch and leads or return to authorized service center for
repair or replacement.
7. Return to authorized service center for repair or replacement
SERVICE
0-5570
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