A40i, A60i
Manual 0-5466 SERVICE
5-5
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 measure-
ment and troubleshooting techniques.
Problem - Symptom Possible Cause Recommended Action
ON / OFF Switch
is ON but the A/C
Indicator does not
light
1. Primary power disconnect is in
OFF position.
2. Primary fuses / breakers are
blown or tripped.
3. Faulty components in unit.
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.
Fault indicator
flashing, Error Code
E002
1. Primary input voltage problem.
2. Faulty components in unit.
1. Have qualified person check primary voltage to insure it
meets unit requirements see Section
"2.05 Input Wiring
Specifications" on page 2-3.
2. Return to authorized service center for repair or replacement.
TEMPERATURE
indicator ON.
FAULT indicator
flashing. Error Code
E001
1. Air flow through or around the
unit is obstructed.
2. Duty cycle of the unit has been
exceeded.
3. Failed components in unit.
1. Refer to clearance information – see Section "2.04 Power
Supply Specifications" on page 2-2
2. Allow unit to cool.
3. Return to authorized service center for repair or replacement.
GAS LED OFF,
FAULT and MIN
pressure indicators
flashing. Error Code
E016
1. Gas supply not connected to
unit.
2. Gas supply not turned ON.
3. Gas supply pressure too low.
4. Failed components in unit.
1. Connect gas supply to unit.
2. Turn gas supply ON.
3. Set air supply inlet pressure to unit to 120 psi.
4. Return to authorized service center for repair or replacement.
FAULT and indicators
flashing. Error Code
E004
1. Shield Cup loose.
2. Torch not properly connected to
power supply.
3. Problem in torch and leads PIP
circuit.
4. Failed components in unit.
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.
FAULT and indicators
flashing. Error Code
E014
1. Start signal is active when ON/
OFF SWITCH is turned to ON
position.
2. Problem in the torch and leads
switch circuit.
3. Failed components in unit.
1. Start can be active for one of the following:
• Hand torch switch held closed
• Hand pendant switch held closed
• CNC START signal is active low
Release the START signal source
2. Replace torch and leads or return to authorized service center
for repair or replacement.
3. Return to authorized service center for repair or replacement.
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