Falla
Cortadora plasma sin arco piloto
Arranque HF, arco piloto placa, presión de gas, gatillo de antorcha y transferencia de arco realimentación diagnóstico.
What no arco piloto means
A cortadora plasma con air flow but no arco piloto can fail in the gatillo de antorcha circuit, air pressure interlock, Arranque HF placa, arco piloto relé/resistencia, torch consumables, work clamp o transferencia de arco realimentación path.
arco piloto flow
Torch trigger
↓
Air pressure OK
↓
placa de control habilitación
↓
Arranque HF placa fires
↓
arco piloto path conducts
↓
Arc transfers to workpiece
↓
Main cutting current habilitaciónd
diagnóstico table
| Comprobación | Normal / valor esperado | Significado si es anormal |
|---|---|---|
| Air pressure switch | Closed/valid when pressure OK | placa de control blocks salida |
| Torch consumables | Correct y not worn | No stable arco piloto |
| HF placa | Fires on trigger | No ignition |
| arco piloto relé/resistencia | Conducts pilot path | No pilot current |
| Work clamp | Good connection | Arc cannot transfer |
| Arc-transfer realimentación | Changes after transfer | Machine may shut pilot off |
Common causes
- Low air pressure o fallay pressure switch.
- Worn electrode/nozzle.
- HF placa not habilitaciónd.
- arco piloto relé/contact failure.
- realimentación signal missing after arc transfer.
- placa de control protección state.