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The Linde V1 253 is not a casual hobbyist machine. It is a heavy-duty industrial rectifier. Key specifications (which you will find in the manual) include:

However, if you are reading this, you likely own one of these blue giants, or you are considering buying a used unit. And you have encountered a common, frustrating problem:

If the machine exceeds its load duration, it may enter a protection state. A yellow indicator light on the front panel indicates overheating; do not turn off the power, as the fan must continue to cool the internal components. Manual Resources