AC 180 unplanned shutdown

I own a Bluetti AC 180. I wish to use it to power some small DC devices that do not draw a lot of power. When I leave it on and draw about 20 watts (12 volt DC through the cigarette lighter port), the unit shuts down after about 3 hours. I have to restart it manually. Then it runs again for 3 hours and shuts down again.

My settings:
AC1802530060750737
I0T v9046.04
ARM v2107.04
DSP v2102.05
BMS v1052.03
ECO mode is off for both AC and DC
Screen Sleep setting is NEVER

Can you provide some assistance?

Thanks

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Hello,Please check if the firmware is up to date and review the machine’s error history codes.
If you have any questions, feel free to reach out!

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@BLUETTI_CARE I was having same issue, ECO mode off ,screen off after 1 MIN, As I was wanting to monitor my AC200l from my workplace, my current update is, v1043.13
thank you

I have insured that all the software is up to date.
Iot is v9046.04
ARM is v2107.04
DSP is v2102.06
BMS is v1052.03
The error code is E000
ECO is OFF
Screen Timeout is set to NEVER
Charging Mode is STANDARD
Pwer Lifting is OFF

On a low wattage (15 watts) constant 12 volt DC draw using the cigarette lighter port, the DC portion of the AC 180 shuts down after about 3 hours. The AC, if I am running something, still operates.

Hello, I have registered you for the firmware upgrade to solve it

Hello,

Thank you for your inquiry. I have checked the delivery information for your prize, and we sent it to you in February 2025. Here is the tracking number from that time: J&T CARGO: 200839967486.

Please tell me your error code and sn code of your device.