Polatech 025 520 EMC autocut unit

Polatech 025 520 EMC autocut unit is an industrial laser‑cutting controller that integrates a high‑power diode driver, motion control board, and encoder interface for precise material cutting. Common failure modes on this model include power supply degradation (especially the 48 V DC rail), motor drive overheating due to inadequate cooling or faulty MOSFETs, and encoder signal loss from damaged contacts or cable insulation. First‑check diagnostics: verify all input voltages (12 V, 48 V) with a multimeter, inspect the laser driver PCB for burnt components or loose solder joints, and confirm encoder signals on the serial port using an oscilloscope or logic analyzer.[oss-gpt-20b]

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