1. Signal source failure: The signal source of Zhujiang Digital may fail, resulting in abnormal signal transmission.
2. Signal line failure: The signal line of Zhujiang Digital may fail, resulting in abnormal signal transmission.
3. Failure of receiving equipment: The equipment receiving digital signals from the Pearl River may fail, resulting in failure to receive signals normally.
4. Weather impact: Bad weather conditions, such as rainstorm and lightning, may affect the transmission of digital signals in the Pearl River.
If Pearl River Digital has no signal, you can try the following solutions:
1. Check whether the signal source works normally, and repair it in time if there is any fault.
2. Check whether the signal line is normal and repair it in time if there is any fault.
3. Check whether the receiving equipment works normally, and repair or replace it in time if there is any fault.
4. If there is no signal caused by the weather, you need to wait for the weather to improve before trying to receive the signal.