On your RED TIG 180 DC, the error code E06 indicates an overvoltage. The device protects itself from damage caused by excessively high mains voltage.
Possible Causes and Solutions
Mains voltage too high
Solution: Check the mains connection.
Note:
Excessively high mains voltage can permanently damage the device. Please check the power connection and do not use the device again until the cause has been resolved.
An overview of all error and warning messages for the RED TIG 180 DC can be found in this article: Troubleshooting (RED TIG 180 DC)
Detailed information on operation and further advice on handling your RED by Lorch welding machine can be found in the TIG 180 DC Operating Manual