Description
An error occurred in the Fronius welder.
Subcode description
TPS: license-key error.
Subcode [40**]: welding power-source error code.
40: main error code
**: sub-error code
Causes and remedies
| Cause | Remedy |
|---|---|
| Arc welding power supply (abnormal) | Check the version of the UST board or configuration memory. Record the displayed error code and take corrective action according to the welder instruction manual. |
| Other | If the alarm occurs again after implementing the countermeasures, contact our service department and describe the circumstances when CMOS.BIN was saved (operating procedure, etc.). |