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Honeywell CT3500 Owner's Manual page 20

Weekday, saturday and sunday programmable heat and/or cool low voltage (20 to 30 vac) thermostat and wallplate
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If...
Cooling does not come on.
System on indicator (
cool) is lit, but no warm or cool air is
coming from the registers.
Display flashes during programming.
Temperature changes occur at the
wrong times.
Toll-Free Customer Assistance
Please read and follow the provided instructions for this thermostat. For additional information, go to
www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502.
Before calling, please have the following information available:
Thermostat model number. (Located on back of thermostat).
Thermostat date code. (Located below model number).
Type of heating/cooling system (for example, hot water, warm air, oil, or gas).
Location and number of wires connected to the thermostat.
69-1199—4
Table 4. Solution Guide.
Make sure the cooling setpoint is below the room temperature.
Make sure the circuit breaker is not tripped, and reset it if necessary.
Make sure the system switch at the air conditioner 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 Cool.
= heat,
=
Wait five minutes after seeing the flame or snowflake and check the
registers again. If no there is no hot or cool air coming from the registers,
refer to Heating does not come on or Cooling does not come on. If all of this
has been checked, contact your local heating and cooling contractor.
Temperature setting limit has been reached. The heating setting range is
40°F to 90°F (4.5°C to 32°C). The cooling setting range is 45°F to 99°F
(7°C to 35°C).
Check the program times for the period in question.
Make sure the AM and PM settings are correct.
Make sure the current time and day settings are correct.
Reprogram any incorrect settings.
NOTE:
If your thermostat is set for Smart Response™ technology, the
start times occur before your programmed comfort period.
20
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