Peco Perfomance Pro School T4900 Operating Manual page 10

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– Active setpoint is taken from setpoints defi ned in Override menu. Available
Override
only if standard settings applied (fl ashes in Home Display during override time period).
service Indicator
Icon appears, to notify user service is required, in conjunction with: "F01," uV filter run timer;
"F02," remote temperature sensor is out of range; and "F03," humidity sensor is out of range.
battery Indicator
Icon appears only when battery level is low and flashes when battery level is critically low.
Two AA alkaline batteries (2.6 – 3.1VDC) have an approximate 18-month life expectancy.
Keypad lockout
Icon appears if keypad lockout is active. Keypad lockout blocks access to certain features
(see Service Menu 340). For Lockout (LO) in School Schedule see T4900 Installation guide.
filter furnace filter Indicator
Icon appears in Default Display when the Furnace Filter timer expires (Service Menu 230).
Thermostat continues to return to the filter menu until the Done key is pressed. After the
Filter Indicator icon appears, pressing Done restarts the filter timer.
secure Digital (sD)
Icon appears (flashes) when SD card is inserted (SD card not provided). SD card interface
allows user to upload/download settings to/from a SD card (see "Load SD card settings").
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