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Troubleshooting
General The devices are equipped with an intelligent safety system. This means that to a large ex-
tent it has been possible to dispense with melting-type fuses. Melting-type fuses therefore
no longer need to be replaced. After a possible malfunction has been remedied, the device
is ready for use again.
Safety
Fault diagnosis Make a note of the serial number and configuration of the device and contact our After-
Sales Service team with a detailed description of the error, if
- errors occur that are not listed below
- the troubleshooting measures listed are unsuccessful
Power source has no function
Mains switch is on, but indicators are not lit up
Cause: There is a break in the mains lead; the mains plug is not plugged in
Remedy: Check the mains lead, ensure that the mains plug is plugged in
Cause: Mains socket or mains plug faulty
Remedy: Replace faulty parts
Cause: Mains fuse protection
Remedy: Change the mains fuse protection
Nothing happens when the torch trigger is pressed
Power source mains switch is ON and indicators are lit up
Cause: Only for welding torches with an external control plug: The control plug is not
plugged in
Remedy: Plug in the control plug
Cause: Welding torch or welding torch control line is faulty
Remedy: Replace welding torch
WARNING! Work that is carried out incorrectly can cause serious injury or dam-
age. The following activities must only be carried out by trained and qualified per-
sonnel. Observe the safety rules in the power source operating instructions.
WARNING! An electric shock can be fatal. Before opening the unit
- Turn the mains switch to the "O" position
- Unplug the device from the mains
- Put up an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
- Using a suitable measuring device, check to make sure that electrically
charged components (e.g. capacitors) have discharged
CAUTION! Inadequate PE conductor connections can cause serious injury and
damage. The housing screws provide a suitable PE conductor connection for
earthing (grounding) the housing and must NOT be replaced by any other screws
which do not provide a reliable PE conductor connection.
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