Error handling: Motor power OFF.
Error reset: Possible.
Description: The brake supply voltage (DC24-DC26V) generated by the power board inside the power supply unit or power unit is outside the rated range.
Main causes:
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An open circuit or poor connection in the AC power harness of the power supply unit.
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R or S phase loss.
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A problem with the power supply unit power board.
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An open circuit or poor connection in the harness inside the power supply unit.
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The power supply unit control board is faulty.
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A problem with the power block board.
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The power regeneration unit is faulty. (E03)
Countermeasures:
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Check the AC power harness wiring of the power supply unit.
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Check for R or S phase loss.
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Replace the power supply unit.
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Replace the servo amplifier unit.
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Replace the power regeneration unit. (E03)