How to Fix the 'FAN N6' Error on HTB-F5500W-ZA Blu-ray Receiver?

The issue you're experiencing with your `HTB-F5500W-ZA` Blu-ray receiver, where it displays "FAN N6" and shuts off after a couple of hours, is likely due to overheating. It's essential to ensure proper airflow around the unit. Start by checking the exhaust and see if the fan is spinning when the device is on. If the fan isn’t working, it might have seized up due to dust buildup. You can try gently turning the fan blades with a thin object, like a plastic ink tube from a ballpoint pen, to see if it will start spinning again. If the fan is operational but the unit still overheats, consider cleaning out any dust inside the receiver. Dust can block airflow and lead to overheating, so using a blower or vacuum cleaner to clear out any debris can be beneficial. Additionally, using an external fan to cool the unit while it's in operation might help prevent it from shutting off. If you've ensured that the fan is working and the unit is clean but the problem persists, it could indicate a more serious issue with the fan itself, which may require professional servicing. If you need to pursue repairs, I found a certified service center in Riverdale, NJ, but it’s a good idea to check for local options as well. Before deciding on service, try the cooling methods and cleaning steps first.