Hi Helic, Thank you for your observations. I have already checked the power supply voltage under the three conditions you mentioned using an oscilloscope. The voltage drop is similar in all three cases. However, when the load transitions from low to high , I am facing an issue with the execution of a function. The problem seems to be that the "ok" variable is not updating its value properly. Please check on your end and update me as soon as possible. For your reference, I have used a 24V DC fan as the load in this setup. Thanks, Anburaja A
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