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Light sensor issue

There seem to be problem with the light sensor of my new smart citizen start kit. When I try to issue the command “monitor light”, there is an error: “Light is disabled, enable it first!!!”. When I tried to enable the light sensor, I encounter error message: “Failed enabling Light”.

I also notice that when I first power on the unit, the console shell show that “No urban board detected!!” and all the sensors are disabled. I can manually enable the sensors through the shell except the light sensor.

Please advise if there is a way I can fix this or it is a hardware issue?

P.S.
My hardware is:

Hardware Version: 2.1
SAM Hardware ID: XXXXXXXX20
SAM version: 0.9.5-a91f850
SAM build date: 2019-08-20T13:25:01Z
ESP MAC address: XX:XX:XX:XX:XX:XX
ESP version: 0.9.2-a91f850
ESP build date: 2019-08-20T13:17:16Z

I had tried to reset the board to factory default and upload with latest firmware but both way it still has the same issue with light sensor.

Hello,

I’m experiencing exactly the same issue. Another question is…how can I make the new enabling sensor configuration to stick in the time? When I remove the USB wire from the kit it comes back to the former configuration where only the battery sensor is enabled.

Please help on that. My hardware is:
Hardware Version: 2.1
SAM Hardware ID: 2112BB525054414B352E3120FF17162B
SAM version: 0.9.5-a91f850
SAM build date: 2019-08-20T13:25:01Z
ESP MAC address: 4A:3F:DA:09:98:57
ESP version: 0.9.2-a91f850
ESP build date: 2019-08-20T13:17:16Z