Welders Error Codes
26 error codes across 1 brands. Find your code, what it means, and how to fix it.
Miller
26 codesCheck Input - High or low voltage has been sensed. A latching error indicating input voltage outside acceptable range.
Cooler Power - An error related to the CoolMate 1.3 Power has occurred. A latching error indicating cooler power supply issue.
Lock Level 1 - Displayed when attempting adjustments that are incompatible with the active selected lock level.
Lock Level 2 - Displayed when attempting adjustments that are incompatible with the active selected lock level.
Lock Level 3 - Displayed when attempting adjustments that are incompatible with the active selected lock level.
Lock Level 4 - Displayed when attempting adjustments that are incompatible with the active selected lock level.
Not Valid - Message is displayed when attempting an incompatible setup.
Over temperature condition has occurred. The unit has exceeded acceptable temperature limits.
Remote 14 receptacle contactor control (Pins A-B) must be opened before proceeding. This is a display message indicating a control state issue.
See Owner's Manual - A latching error has occurred. Refer to Section 11-3 for troubleshooting.
Software Not Valid - A software compatibility error has been detected. A software update is required.
Short on weld output connections must be removed before proceeding. A short circuit has been detected on the weld output.
Weld Cable - An error related to the weld cables has been sensed. A latching error indicating weld cable configuration issue.
Overcurrent protection activated — the welding current has exceeded safe operating limits.
Overcurrent protection activated.
Overvoltage detected — the input or output voltage has exceeded safe operating limits.
Overvoltage detected.
Undervoltage detected — the input voltage has dropped below safe operating limits.
Undervoltage detected.
Overtemperature warning — internal temperature has exceeded safe operating limits.
Overtemperature warning.
Internal communication error — communication between internal control modules has failed.
Internal communication error.
Thermistor RT1 or RT2 is open and unit is in an overheated condition. This message appears on voltmeter and ammeter displays.
Standby LED flashing indicates a latching error has occurred. The unit is in standby mode due to an error condition.
Thermistor RT1 or RT2 has opened, stopping output. The cooling fan will run until the unit cools and temperatures return to acceptable limits.