The answer to 'landscape lighting disease' is that there are a few common issues that can affect landscape lighting systems, including electrical problems, corrosion, and pest damage. Symptoms may include lights not turning on, flickering or dimming lights, and wiring or fixture damage. Solutions can range from simple DIY fixes to more complex professional repairs, depending on the root cause.
For electrical issues like faulty wiring or bad connections, you may be able to troubleshoot and repair the problem yourself. However, for more extensive damage or safety concerns, it's best to call in a licensed electrician or landscape lighting specialist. Corrosion and pest damage often require professional diagnosis and repair to ensure the system is functioning properly and safely.