Communication Error (Warning); Communication Error (Bus Off); Messages Lost; High Open-Circuit Voltage - ESAB Aristo U6 Instruction Manual

10 FAULT CODES
Fault code Description
9 +20V, +60V power supply (wire feed unit)
The voltage is too low or too high.
Action: Contact a service technician.
9 +10V power supply (remote control unit)
The voltage is too low or too high.
Action: Contact a service technician.
10 +24V power supply
The voltage is too low or too high.
Action: Contact a service technician.
11 Wire feed speed
The wire feed speed differs from the set value.
Wire feed stops if this fault occurs.
Action: Contact a service technician.
12

Communication error (warning)

The load on the system CAN bus is temporarily too high.
The power unit or wire feed unit may have lost contact with the control panel.
Action: Check the equipment to ensure that only one wire feed unit or
remote control unit is connected. If the fault persists, contact a service
technician.
14 Communication error
The system's CAN bus has temporarily ceased to work due to excessive
load.
The current welding process is stopped.
Action: Check the equipment to ensure that only one wire feed unit or
remote control unit is connected. Turn off the power supply to reset the unit.
If the fault persists, contact a service technician.
15

Messages lost

The microprocessor is unable to process incoming messages sufficiently
quickly, with the result that information has been lost.
Action: Turn off the power supply to reset the unit. If the fault persists,
contact a service technician.
16

High open-circuit voltage

The open-circuit voltage has been too high.
Action: Turn off the power supply to reset the unit. If the fault persists,
contact a service technician.
17 Lost contact
The control panel has lost contact with the wire feed unit.
The current welding process is stopped.
Action: Check the cables. If the fault persists, contact a service technician.
18 Lost contact
The control panel has lost contact with the power unit.
The current welding process is stopped.
Action: Check the cables. If the fault persists, contact a service technician.
0459 287 501 - 32 - © ESAB AB 2017