Troubleshooting steps
Verify input voltage matches welder requirements, check power supply, verify wiring
Welding Equipment Codes
E-3 – Input Voltage Error
Input voltage out of range
Details
The input voltage is outside the acceptable operating range for the welder.
Error typeerror
MeaningVoltage error
Typical causesIncorrect input voltage, power supply issue, wiring problem
SolutionsVerify input voltage matches welder requirements, check power supply, verify wiring
Severityhigh
Catalog references
Where this appears
MillerE-3
Utilities
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FAQ
Common questions
What voltage is required?
Check welder specifications. Most require 208V, 230V, or 460V input.
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