Troubleshooting steps
Allow welder to cool, check cooling vents, verify fan operation, reduce duty cycle
Welding Equipment Codes
E-2 – Overheating
Welder overheating detected
Details
The welder has detected excessive internal temperature and shut down to prevent damage.
Error typeerror
MeaningOverheating
Typical causesHigh ambient temperature, blocked cooling vents, excessive duty cycle, fan failure
SolutionsAllow welder to cool, check cooling vents, verify fan operation, reduce duty cycle
Severityhigh
Catalog references
Where this appears
MillerE-2
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FAQ
Common questions
How long to cool down?
Allow 15-30 minutes to cool. Check cooling system before resuming.
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