Honeywell CT3500/CT3595 manual If YOU have a Problem, Solution Guide, Then…

Table 4. Solution Guide.

If...

Then…

Display does not appear.

• Make sure the batteries are 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

• Make sure the temperature setpoints are:

(example; cannot set the heating higher

—40 to 90°F (4.5 to 32°C) for heating.

or the cooling lower).

—45 to 99°F (7 to 37°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.

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