Question about Miller MATIC 140 MIG WELDING PKG w/cart 907311011
These need a good power supply , i looked and did not see the duty cycle on this welder if you are doing heavy welding 100% power it will need 30- 40 minutes to cool of to weld again. it all depends on the units duty cycle, stated on the welder spec plate ..can you bypass the auto feed speed mode ? this might be the issue.. good luck ..use all the protection you can when welding these are like the sun and can and will burn exposed skin and eyes .. if'n i was any help throw me a bone and vote thanks jay
Posted on Jul 28, 2010
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Posted on Jan 02, 2017
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Help 5 Display Indicates the right side of the unit has overheated.
The unit has shut down to allow the fan to cool it. Operation will continue when the unit has cooled.
If unit overheats, output stops, a Help 5 message is displayed, and cooling fan runs.
Wait fifteen minutes for unit to cool.
To avoid this problem Reduce amperage or voltage, or duty cycle before welding.
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