Cause: The external supply voltage has
dropped below the tolerance
limit
Remedy: Check the external supply
voltage
Cause: No actual speed value from the
wire-feed unit motor
Remedy: Check actual value and leads, if
the error persists contact After-
Sales Service
Cause: No actual speed value from the
wire-feed unit motor
Remedy: Check actual value and leads, if
the error persists contact After-
Sales Service
Power source -
troubleshooting
Power source does not function
Mains switch is on, but indicators are not lit up
There is a break in the mains lead; the mains plug is not plugged in
Check the mains lead, ensure that the mains plug is plugged in
Mains socket or mains plug faulty
Replace faulty parts
Mains fuse protection
Change the mains fuse protection
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
No welding current
Mains switch is ON, overtemperature indicator is lit up
Overload
Check duty cycle
Thermostatic safety cut-out has tripped
Wait until the power source automatically comes back on after the end of
the cooling phase
The fan in the power source is faulty
Contact After-Sales Service
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
190