I. Step 1: Rapid Verification of Basic Status
1. Confirm that power and air supply connections are normal and that air pressure is stable within the 0.5–0.6 MPa range.
2. Read the fault code on the control panel to immediately pinpoint the problematic module.
3. Visually inspect the status of the emergency stop button, the condition of the cutting tools, and the surfaces of guide rollers for any jammed foreign objects.
II. Step 2: Targeted Troubleshooting of Core Functions
1. Cutting accuracy faults: Check blade sharpness first, then calibrate the clearance and parallelism between the upper and lower blades; perform a test cut on thin paper to verify the quality of the cut edge.
2. Tension and winding faults: Verify winding tension parameters, check the parallelism between the pressure roller and the winding shaft, and inspect guide rollers for rotation issues or jamming.
3. Electrical control faults: Check button contacts and sensor wiring; reset the system or update firmware to rule out signal interference.
4. Abnormal mechanical noise faults: Use auditory inspection to locate faulty bearings and check transmission components for wear and dynamic balance issues.
III. Step 3: No-Load Verification and Closure
After completing the troubleshooting steps, run the equipment at low speed without a load. Once the fault is confirmed resolved, perform a test cut using a sample piece to verify finished product quality, then record and archive the fault information.
