Pdf - Hb-b3hl Manual

: Pulse signal input. Each pulse moves the motor one "step." DIR+ / DIR-

| Symptom | Likely Cause | Generic Fix | | :--- | :--- | :--- | | | Input fuse blown | Replace fuse (usually 3.15A or 5A slow-blow) | | Output stuck at 0% | Enable signal missing | Jump "EN" terminal to +24V (Check manual first) | | Output stuck at 100% | Short circuit on feedback sensor | Disconnect load. If it drops to 0%, sensor is bad. | | Intermittent reset | Thermal overload | Check fan; clean intake vents | hb-b3hl manual pdf