Hi all, i'm happy to find the thread about my ardwrare problem. My printer are under construction and i just begin wiring and connection. Wifi network only run when i put my finger on R103. I bought my T3P3 board at the end of january, a blue production one. Should i've it replaced? Is there another solution without soldering for fix it alone?

Sorry for my english, i'm new french user who use google translate.