ESAB Aristo Origo Arc 4001i Service Manual page 67

l. Turn the mains switch of the the welding power source to OFF.
m. Reassemble the cover.
3. Check signal and control lamps
Check the function of the display indicators by turning on the unit and visually check the
front panel.
The LED test starts with all LEDs dark, then the diodes are turned on and off, one at a
time, until all diodes have been tested. If the test detects a fault, no fault code will be
logged.
Then the display test is made in the same way as the LED test but for each segment of
the digits in the display. If the test detects a fault, no fault code will be logged.
Finally the software version of the welding data unit is displayed.
4. Check the function of the welding power source by welding.
5. Disconnect the welding power source from the mains supply.
6. Write the test report.
See Test report, page 68).
7. If the unit passes all the tests, attach appropriate label with signature and date of the
test.
ca42_test - 67 -
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