ABB IRC5 Operating Manual page 529

Internal unit: arg
Consequences
The power unit/wire feed unit has lost contact with the welding
data unit.
Recommended actions
Check that all the equipment is correctly connected. If the fault
persists, send for a service technician.
112423, Communication error
Description
The system's CAN-bus has temporarily stopped working due
to the load being too high.
Fault code: arg
Internal unit: arg
Consequences
The current welding process stops.
Recommended actions
Check that all the equipment is correctly connected. Turn off
the mains power supply to reset the unit. If the fault persists,
send for a service technician.
112424, Messages lost
Description
The microprocessor is unable to process incoming messages
sufficiently quickly and information has been lost in unit arg.
Fault code: arg
Internal unit: arg
Recommended actions
Turn off the mains power supply to reset the unit. If the fault
persists, send for a service technician.
112426, Lost contact with MEK
Description
Unit: arg
Fault code: arg
Internal unit: arg
112427, Lost contact
Description
The welding data unit(WDU) has lost contact with the power
unit(PS) in unit arg.
Fault code: arg
Internal unit: arg
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
Consequences
The current welding process stops.
Recommended actions
Check the cables. If the fault persists, send for a service
technician.
112428, Memory error in battery-supplied data
memory RAM
Description
The battery has lost voltage in unit arg.
Fault code: arg
Internal unit: arg
Recommended actions
Turn off the mains power supply to reset the unit. The welding
data unit is reset.
112429, Non-permitted set values stored in RAM
Description
Non-permitted values have been discovered at start-up in unit
arg.
Fault code: arg
Internal unit: arg
Recommended actions
Delete all data contained in the welding data unit.
Turn off the mains power supply to reset the unit. The welding
unit is reset.
112430, Incompatible set values stored in RAM
Description
Non-permitted welding data combinations have been specified
in unit arg.
Fault code: arg
Internal unit: arg
Recommended actions
Turn off the mains power supply to reset the unit. If the fault
persists, send for a service technician.
112431, Transmit buffer overflow
Description
The welding data unit does not manage to transmit information
to the other units sufficiently quickly in unit arg.
Fault code: arg
Internal unit: arg
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5 Troubleshooting by event log
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