China Hoist Floor Call Device Special Elevator Junction Box for Elevator Construction, Find details about China Hoist Communication, Emergency Phone from Hoist Floor Call Device Special Elevator Junction Box for Elevator Construction
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. |