Safety

Safety Notice

High-voltage safety notice for inverter welder repair reference material.

High-voltage warning

Inverter welders contain lethal voltages, high-current power stages and charged capacitors. Even after power is removed, the DC bus can remain dangerous.

Minimum precautions

Disconnect input power.
Discharge DC bus capacitors safely.
Use proper isolation and current limiting.
Use rated probes and instruments.
Do not bypass protection circuits without understanding the risk.

Audience

WelderData content is intended for qualified repair technicians and technical reference only.