![Hot-Selling 3 Frequency Intercom System for Construction Hoist, Compatible with Mckee System](https://img3.grofrom.com/cleaneqpmco/416206fb95958ab9320d53ca0d3818ed.webp)
FAQ | Explain |
Communication Failure | The protective ground wire of the coupler is grounded in the middle ground, and the protective earth wire and the ground wire in the hanging basket are not connected. |
Poor communication | High resistance caused by ground wiring and/or poor connection. |
Interference caused by electric motor | Cables require better sheielding. |