113
EN
No welding current
Mains switch is on, one of the overtemperature service codes "to" is displayed. Detailed
information on the service codes "to0" to "to6" can be found in the section "Displayed ser-
vice codes".
Cause: Overloading
Remedy: Check duty cycle
Cause: Thermostatic automatic circuit breaker has been tripped
Remedy: Wait until the power source automatically comes back on after the end of the
cooling phase
Cause: Limited supply of cooling air
Remedy: Clean air filter, ensure accessibility to cooling air ducts
Cause: The fan in the power source is faulty
Remedy: Contact After-Sales Service
No welding current
Mains switch is ON and indicators are lit up
Cause: Grounding (earthing) connection is incorrect
Remedy: Check the grounding (earthing) connection for correct polarity
Cause: There is a break in the power cable in the welding torch
Remedy: Replace the welding torch
No shielding gas
All other functions are OK
Cause: Gas hose is not connected to the correct connection socket for the current
welding process
Remedy: Connect the gas hose to the correct connection socket for the current welding
process
Cause: Gas cylinder is empty
Remedy: Change the gas cylinder
Cause: Gas pressure regulator faulty
Remedy: Replace gas pressure regulator
Cause: Gas hose is not fitted or is damaged
Remedy: Fit or change the gas hose
Cause: Welding torch is faulty
Remedy: Change the welding torch
Cause: Gas solenoid valve faulty
Remedy: Contact After-Sales Service
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