Error 51.x Unisoud/Pulsar converter: fault
Description
The Unisoud power section or Pulsar has a fault. The regulator control (contamination) has tripped.
Remedy
- Check the power supply.
- Check all LEDs in the Unisoud power section and proceed in accordance with Unisoud power section in the instruction manual.
- Check pulsar display and proceed according to the instruction manual.
- Check IGBT in accordance with the Unisoud power section in the instruction manual.
- In the event of contamination or deviation in controller: check roller heads, welding transformer, sheet, copper wire and bolts in the primary and secondary circuit.
- Insulation check
- Check the digital input.