ESAB A2 - Fault Management Code Descriptions

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9.1.4 Description of fault management codes
The fault management codes that users can correct themselves are given below. If another
code appears, restart the machine and if the error persists, contact a service technician.
Error code Description
LAF, TAF Aristo 1000
6 4201, 4202,
4203
High temperature
The power source has overheated and cancels welding. Welding
is permitted again when the temperature falls below the
maximum temperature parameter.
Action: Check that the cooling air inlets or outlets are not
blocked or clogged with dirt. Check the duty cycle being used, to
make sure that the equipment is not being overloaded. If the
error persists, send for a service technician.
7 Low welding current
The weld arc has been shut down due to too low welding current
during the welding process.
Action: Is reset at next weld start. If the error persists, send for a
service technician.
8 Low battery voltage
Battery voltage too low. If the battery is not replaced, all stored
data will be lost. This error does not disable any functions.
Action: Send for a service technician to replace the battery.
11 8411
sub-code 0
Speed error on a motor, (wire feed, travel motor)
A motor cannot maintain its speed. Welding stops.
Action: Check that the wire feed has not jammed or runs too
fast. If the error persists, send for a service technician.
12 Internal communication error (warning)
The load on the system's CAN-bus is temporarily too high. The
power source may have lost contact with the control unit.
Action: Check that all the equipment is correctly connected. If
the error persists, send for a service technician.
14 Communication error
The system's CAN-bus has temporarily stopped working due to
the load being too high. The current welding process stops.
Action: Check that all the equipment is correctly connected. Turn
off the mains power supply to reset the unit. If the error persists,
send for a service technician.
17 8117 Lost contact with the unit
Lost contact with a unit.
Action: Check wiring and the connector between the control unit
and power source. If the error persists, send for a service
technician.