- Solutions: Clean connectors and end faces using specialised cleaning tools and solutions, inspect cables for bends or breaks and replace damaged sections, ensure compatibility and proper alignment of fibre optic components. When issues like signal loss, slow speeds, or intermittent connectivity arise, systematic troubleshooting is key. This guide will walk you through diagnosing and resolving common. Some of the most common reasons for fiber optic cable cuts include bad weather, wildlife and construction work Fiber optic installations are quite reliable. However, that doesn't mean that they are indestructible. No matter how well-planned and well-built a fiber optic line is, chances are that. Fiber optic troubleshooting is an essential skill for network administrators, technicians, and engineers responsible for maintaining and repairing fiber optic systems.