The INA128UA/2K5 operational amplifier is a high-performance, precision device commonly used in signal conditioning, instrumentation, and medical applications. Despite its robust design, like any complex electronic component, it can experience faults under certain conditions. In this article, we explore common faults associated with the INA128UA/2K5, how to diagnose them, and practical steps to fix them. Whether you're a beginner or an experienced technician, this guide will help you keep your circuits performing at their best.