TM 10--3510--221--24 0009 00--7 LAUNDRY ADVANCED SYSTEM CONTROLS AND INDICATORS -- Continued 0009 00 HEATER ENCLOSURE CONTROLS AND INDICATORS -- Continued Table 5. Heater Enclosure Controls and Indicators. INDEX DESCRIPTION TYPE FUNCTION 1 POWER INDICATOR Illuminates green when flame programmer is controlling heater. Turns off if voltage input to flame programmer is not correct. Flashes when flame programmer has power but no call for heat. 2 PILOT INDICATOR Illuminates amber when flame programmer turns on burner blower, ignition and fuel valves. 3 FLAME INDICATOR Illuminates red when flame is verified. 4 MAIN INDICATOR Illuminates amber when combustion has been established. 5 ALARM INDICATOR Illuminates red when flame programmer or interlock failure occurs. 6 RESET KEY Pushbutton Switch Used to reset the flame programmer after a interlock alarm has been cleared. 7 UPPER DISPLAY 4 X1 DIGITAL DISPLAY Indicates thermal fluid temperature limit or function mode when adjusting limits. 8 LOWER DISPLAY 4 X1 DIGITAL DISPLAY Indicates actual thermal fluid temperature or function mode when adjusting limits. 9 RESET KEY KEY PAD Used to reset the temperature limit switch after thermal fluid temperature is within limit. 10 SCROLL KEY KEY PAD Changes function mode. 11 UP KEY KEY PAD Increase temperature setpoint parameter. 12 DOWN KEY KEY PAD Decrease temperature setpoint parameter. 13 OUT INDICATOR Illuminates red when the limit relay is de--energized. 14 EXCEED INDICATOR Illuminates red when temperature limit has been exceeded. 15 ALARM INDICATOR Illuminates red when a failure occurs. 16 S INDICATOR Illuminates red when SET--UP mode has been accessed. 17 OL301 RESET Pushbutton Switch Used to reset overload relay protecting burner blower (M301). 18 FP300 RESET Pushbutton Switch Used to reset heater flame programmer when a heating system related failure is displayed without opening heater enclosure.