Troubleshooting
General The devices are equipped with an intelligent safety system. This means that to a large
extent it has been possible to dispense with melting-type fuses. Melting-type fuses there-
fore no longer need to be replaced. After a possible malfunction has been remedied, the
device is ready for use again.
Safety
WARNING!
Work that is carried out incorrectly can cause serious injury or damage.
The activities described below must only be carried out by trained and qualified person-
nel. Read the safety rules in the wire-feed unit 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
LED indicators in
the event of a
fault
In the event of a fault the LEDs light red.
Symbols used:
The LED is off
The LED is on
Undervoltage on SR63 PC board; the signal can be reset by pressing the
Mode / Start button.
Motor overtemperature or motor overcurrent
The signal can be reset by pressing the Mode / Start button.
35
EN
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