EWM M3.7X-O Operating Instructions Manual page 72

Rectifying faults
Error messages (power source)
Error 16: Pilot arc power source - collective error
Category A
 The external emergency stop circuit has been interrupted.
Check the emergency stop circuit and eliminate the cause of the error.

 The emergency stop circuit of the power source has been activated (internally configurable).
Deactivate the emergency stop circuit.

 The power source is overheating.
Allow the switched-on machine to cool.

 Fan is blocked, dirty or defective.
Check the f an and clean or replace.

 Air inlet or outlet is blocked.
Check the air inlet and outlet.

 Short circuit on welding torch.
Check the welding torch.

Request service.

Error 17: Cold wire error
Category B
 Fault in the wire f eeder.
Check the electrical connections (connectors, lines).

 Permanent overload of the wire drive.
Do not lay the liner in tight radii.

Check the liner f or ease of movement.
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Error 18: Plasma 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 19: Shielding 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).

72 099-5TLPXQ-EW501
15.12.2022