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2025.10.14 - From Oct 3rd to the 14th, It has been about 2 weeks that went by. Parts were ordered and they arrived so one went thru the process of removing and installing the new parts. As with things, one would hoped that the inverter would work after replacing the bad parts but it still did not work thus one was forced to continue diagnosing the circuit board. It does bring memories that were left buried, into the forefront of reverse engineering a circuit board. Quite frankly, I pretty much reversed engineered the inverter mentally More Diagnoses It turned out a gate resistor was damaged, along with sensing current resistor that I didn't think would be badly damaged by rain, but who knew eh? To get the darn thing to power up, one has to do this and that and it powered up eventually. Damage so far PWM driver UTC 3845E MOSFET IRF 640N and associated gate resistor 22 Ohm which limits the pulse current from Drain to gate caused by parasitic capacitor. Sensing resistor 0.1 Ohm - Studied the character of the PWM chip so I immediately understood why it still didn't work. Once that was replaced then it immediately works, yay! AT this point E02 is coming up on the display which one will need to spend to figure out what the hey? The YOUTUBE were consulted for E02 - Yeah a bunch of videos showing how they remove and replaced bad parts, but did not share the part numbers, Useless videos those are.