Error Mode

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■If the thermostat is unable to control your system due to an unex-

pected battery problem, the thermostat will enter Error Mode. In this condition, the thermostat flashes “Err” on the LCD display, and shuts off your system. To correct this problem, replace the batteries with 2 new AA alkaline batteries, even if you have recently replaced them. Next, use a paper clip to press the RESET button next to the keypad. You will need to reprogram your thermostat and confirm normal operation.

■If Error Mode returns, please call Climate Technology Technical support at 1-800-676-7861 for further information.

Auto Cut Off

Your thermostat will automatically cut-off in Heat mode if the room temperature rises above 95˚F (35˚C). It will cut-off in Cool mode if the room temperature drops below 40˚F (4˚C).

NOTE: If your system has malfunctioned and no longer responds to thermostat controls, the Auto Cut-Off will have no effect.

Mechanical Heat Back-Up

This thermostat includes a bi-metal switch that will automatically turn on the Heat when the temperature reaches about 41° F (5°C).

WARNING: This switch only activates the Heating terminal (W). The system itself must be capable of automatically turning the Fan On. Without normal Fan operation, severe damage to the heating system could result.