Error codes

In error situations, the control panel displays 'Err' and the number of the error. This section lists the errors, possible causes and proposed actions to fix the issue.

Error
Code	Possible cause	Proposed action
1	Power source calibration has been lost.	Restart the power source. If problem persists, contact Kemppi service.
2	Voltage in mains network is too low.	Restart the power source. If problem persists, contact Kemppi service.
3	Voltage in mains network is too high.	Restart the power source. If problem persists, contact Kemppi service.
4	Too long welding session with high power.	Do not shut down, let the fans cool the machine. If fans are not running, contact Kemppi service
5	Power source contains an inoperative 24V power supply unit.	Restart the power source. If problem persists, contact Kemppi service.
12	Plus and minus cables are connected together.	Check the connections of welding cable and earth return cable.
14	Too long welding session with high power or high ambient temperature.	Do not shut down, let the fans cool the machine. If fans are not running, contact Kemppi service.
20	Cooling capacity is reduced in the power source.	Clean the filters and clear any dirt from the cooling channel. Check that the cooling fans are running. If not, contact Kemppi service.
40	Open circuit voltage exceeds the VRD limit.	Restart the power source. If problem persists, contact Kemppi service.
81	Welding program data has been lost.	Restart the power source. If problem persists, contact Kemppi service.