The light in the hotel is broken.

There is something wrong with the quality of the control circuit and the lamp.

1. The light in the hotel room doesn't work. The projector works because there is something wrong with the control circuit of the lamp and needs to be repaired in time.

2. The projector can indicate that there is electricity, and the light is not on because of the quality of light, so it is necessary to replace the light in time.