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IF YOU HAVE A PROBLEM
Table 4. Solution Guide.
If... Then…
Display does not appear. • Make sure the batteries are fresh and installed correctly.
• Make sure the thermostat is mounted and latched on the wallplate.
Mount and latch the thermostat on the wallplate if it is not.
Temperature settings will not change
(example; cannot set the heating higher
or the cooling lower).
• Make sure the temperature setpoints are:
—40°F to 90°F (4.5°C to 32°C) for heating.
—45°F to 99°F (7°C to 35°C) for cooling.
Heating does not come on. • Make sure the heating setpoint is above the room temperature.
• Make sure the circuit breaker is not tripped, and reset it if necessary.
• Make sure the power switch at the equipment is in the On position, and
set it to On if it is in the Off position.
• Wait five minutes for the system to respond.
• Set the system switch to Heat.