The Accutex EZ‑53SA is a three‑axis submerged straight‑cutting Wire EDM equipped with a direct‑drive motor in the X/Y axes, an Automatic Wire Threader (AWT), and a Windows‑based CE controller. Common failure points for this class of machines include power‑supply voltage drops to the drive electronics, servo drive overheating or phase loss, AWT motor stalling or wire tension faults, and control board communication errors between the PC and the CNC logic. First‑check diagnostics: verify 48 V DC rail integrity and AC input stability; inspect all I/O connectors for corrosion or loose contacts; review any error codes on the CE display and confirm that the AWT motor runs without excessive vibration or noise.[oss-gpt-20b]