Please check the below-mentioned LED's to check if the camera is working or not.
1) The camera has three LEDs, each one of them indicating some ongoing activity with the camera:
2) Apart from the above-mentioned light sequence, the LED lights of the camera have some special states of operation:
If all three LEDs are blinking rapidly at the same time: The camera is going through a firmware/config update and will restart in a few seconds.
If all three LEDs not turning on: Something is wrong with the camera and might need a replacement.