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.
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.
24 Too long welding session with high power or high ambient temperature. Do not turn off the cooler. Let the liquid circulate until the fans cool it down. If fans are not running, contact Kemppi service.
26 No cooling liquid or circulation is blocked. Check the liquid level in the cooler. Check hoses and connectors for blockage.
27 Cooling is turned on in the settings menu, but cooler is not connected to power source or cabling is faulty. Check the cooler connections. Ensure that the cooling is turned off in the settings menu, if the cooler is not in use.
40 Open circuit voltage exceeds the VRD limit. Restart the power source. If problem persists, contact Kemppi service.
80 Water cooled torch is connected but the cooler is turned off. Turn the cooler on in the settings menu or change the torch to an air cooled model.
81 Welding program data has been lost. Restart the power source. If problem persists, contact Kemppi service.