Detailed Answer
Bridge crane remote malfunction troubleshooting: 1. Battery level (90% of cases are dead batteries); 2. Key switch; 3. Pairing state (accidental pairing key press may cause mismatch); 4. Antenna; 5. Receiver power/relays; 6. Environmental interference. If it still fails after checking item by item: restart the receiver → re-pair → return to factory for repair. Leader offers 2-year trade-in and Xingjia provides warranty; contact after-sales service.
| Common | Battery / key / pairing |
| Restart | Power-cycle the receiver |
| After-sales | Leader trade-in |
Note:When troubleshooting, test unloaded first to confirm safety.