Rheem 500 Series Installation Guide - Page 18

Using the Thermostat Maintenance Reminder Message A reminder will display in the scrolling message area when it is time for accessory maintenance if selected in the Thermostat Options Configuration Menu. When a reminder appears, it can be cleared by touching the Clean Display key. This will also reset the timer to begin a new time period for the reminder. Air Filter Maintenance - When the system has run for the selected length of time, the scrolling message area will show "CHANGE FILTER" Humidifier Pad Maintenance - Based on the reminder setting, the scrolling message area will show "CHANGE HUMIDIFIER PAD" to indicate maintenance is required. UV Lamps Maintenance - Based on the reminder setting, the scrolling message area will show "CHANGE UV LAMP" to indicate maintenance is required. Advanced Installer Configuration Menu The Advanced Installer Configuration menu provides access to equipment fault status and equipment operating information and options. Entering and Navigating the Advanced Installer Configuration Menu/Service Information On the Home Screen Display, touch the Menu key to display additional key choices. Touch and hold the Installer Config key to approximately 3 seconds to enter the Thermostat Options Configuration Menu. Fault Status Touch and hold the Installer Config key again for approximately 3 seconds to enter the Advanced Installer Configuration Menu. The display will change to the Fault Screen indicating the equipment connected. ADVANCED will appear on the right of the display to indicate the Advanced Installer Configuration Menu. The equipment connected will show above the or keys. The scrolling message area will show "NO FAULTS" or will show a description of the fault with an error code in the temperature display area. Touch or keys to view the fault status of each piece of 1 equipment connected. To change the display to the Equipment User Menu, touch or .