User manual

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bi02d1aa
Fault
code
Description
19 Incorrect settings values in external RAM
This fault will be detected if the information in the battery--backed memory has become corrup-
ted.
Action: The fault will correct itself, but the data stored in the current memory position will be
lost.
20 Memory allocation error
The microprocessor is unable to reserve sufficient memory space.
This fault will generate fault code 26.
Action: Send for a service technician.
22 Transmitter buffer overflow
The control panel is unable to transmit information to the other units at a sufficiently high spe-
ed.
Action: Turn off the mains power supply to reset the unit.
23 Receiver buffer overflow
The control panel is unable to process information from the other units at a sufficiently high
speed.
Action: Turn off the mains power supply to reset the unit.
26 Watchdog
Something has prevented the processor from performing its normal program duties.
The program restarts automatically. The current welding process will be stopped.
This fault does not disable any functions.
Action: If the fault recurs, send for a service technician.
27 Out of wire (wire feed unit)
The wire feed unit is not feeding any wire. The current welding process will be stopped, and
cannot be restarted.
Action: Load new wire.
28 Stack overflow
Program execution is not working.
Action: Turn off the mains power supply to reset the unit. If the fault persists, send for a ser-
vice technician.
29 No cooling water flow
The flow monitor switch has operated.
The current welding process is stopped, and cannot be restarted.
Action: Check the cooling water circuit and the pump.
31 No reply from the display unit
The microprocessor is not in contact with the display board.
Action: Send for a service technician.
32 No gas flow
Gas flow is less than 6 l/min. Welding cannot be started.
Action: Check the gas valve, hoses and connectors.
US