ESAB Aristotig 405 AC/DC, Service Manual

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5.1 ERROR CODES
NOTES:
27 Potentiometer,
welding current I2
Sets the welding current. The welding current can be set during
no-load operation and is shown in the 7 segment display.
28 LED,
welding current I2
LED illuminates, when the welding current I2 is active. During
pulsed operation: Toggles between the displays I2 and I4 with
fixed pulse frequency.
29 Potentiometer,
pulse time I4
Sets the pulse time of the current I4.
30 Potentiometer,
final current I3
Sets the final current I3.
Select a value so that no craters are caused.
Error Possible cause Action
1 Primary overcurrent Fault in power supply Call service
2 Primary undervoltage Faulty power supply
Faulty fuses
Check power supply
Generator is underdimensioned Use generator with sufficient
power
3 Primary overvoltage The voltage used does not
comply with the rated voltage Check power supply
4 Overtemperature in-
let/ outlet vents
blocked
Exceeded allowed duty cycle Let device cool while running
Check air supply
Ambient temperature too high Let device cool while running
5 Cooling water distur-
bance No water in cooling device Refill (Remember antifreeze!)
Defective or calcified switch Install a new switch
Water pump defective Install a new pump