Lbj for Model Number LFC21770ST I've got same trouble or issues, my LG refrigerator soddenly stop cooling and warm. temp. I replace relay switch, on my compressor unit, and I test 3 contact pin at compressor unit it has continuity sound on 3 pin. is it possible my compressor is Bad? my Capacitor still in good condition. after installing and plug in the power , still not cooling or warm air coming out inside my fridge. both fan are working good I tested my control PCBoard I got 119volt. reading on blue and brown wires. I open inside cover and test my Thermistor sensor my Volt meter it has continuity sound on brown and blue wire the orange wire on other sensor was reading 11.14k ohms. please can you response to my question what exactly the main problem of my LG. thanks. LBJ..
Answer LBJ, If you are getting power to the compressor but the compressor is not coming on then this will be a faulty compressor that will need to be replaced. Read More... Answered by AppliancePartsPros.com | Friday, October 29, 2021