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Topic-icon Cant connect RS232 - HDC2450

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3 years 9 months ago #29531740 by Hoanglx123
My problem is the connection of RS232.

The RS232 connection used to work well. Suddenly, when I powered on and connected RS232 to my laptop yesterday, I couldn't load the configuration from the controller. The controller indicated overheat fault flashing pattern. I also checked voltage of battery which is connected to the controller. I saw that the voltage value decreased from 13V to 8.5V after 3 mins. I use 12V battery.

Can you tell me what is my problem.

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3 years 9 months ago #29531751 by niko
Replied by niko on topic Cant connect RS232 - HDC2450
Since you see that battery voltage 8.5 instead of V13, do the following. Disconnect everything from the controller apart from the power supply and check the current. If there is current then most probably he board is broken.

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