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Rectifying faults
Error messages (power source)
Error 20: Low coolant level
Category B
Low flow rate.
Fill with coolant.
Check coolant flow - remove kinks in the hose package.
Adjust the flow threshold
Clean the cooler.
Pump does not turn.
Turn the pump shaft.
Air in the coolant circuit.
Vent the coolant circuit.
The hose package is not filled with coolant.
Switch the machine off and on > pump running > filling process.
Operation with a gas-cooled welding torch.
Deactivate the torch cooling.
Connect the coolant feed and return with a hose bridge.
Error 22: Excess coolant temperature
Category B
Coolant is overheating
Allow the switched-on machine to cool.
Fan is blocked, dirty or defective.
Check, clean or replace the fan.
Air inlet or outlet is blocked.
Check the air inlet and outlet.
Error 23: Excess temperature of the HF choke
Category A
External XF ignition unit is overheating.
Allow the switched-on machine to cool.
Error 24: Pilot arc ignition error
Category B
The pilot arc cannot ignite.
Check the welding torch equipment.
Error 25: Forming gas error
Category B
No gas.
Check the gas supply.
The pre-pressure is too low.
Remove kinks in the hose package (nominal value: 4-6 bar pre-pressure).
Error 26: Excess pilot arc module temperature
Category A
The power source is overheating.
Allow the switched-on machine to cool.
Fan is blocked, dirty or defective.
Check the fan and clean or replace.
Air inlet or outlet is blocked.
Check the air inlet and outlet.
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099-00T500-EW501
30.1.2023
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