UN50HU8550FXZA, UN55HU8550FXZA,
UN60HU8550FXZA, UN65HU8550FXZA, UN75HU8550FXZA, UN85HU8550FXZA,
UN55HU8700FXZA, UN65HU8700FXZA
SYMPTOM: TV displays fan error message.
1. Open Back cover.
2. Locate Main Board and Fan on the left side.
3. Check the connection between Fan and Main Board. Unplug, clean, and re-connect firmly.