IF YOU HAVE A PROBLEM
| Table 4. Solution Guide. |
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If... | Then… |
Display does not appear. | • Make sure the batteries are installed correctly. |
| • Make sure the thermostat is mounted and latched on the wall plate. |
| Mount and latch the thermostat on the wallplate if it is not. |
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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. |
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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 key to Heat. |
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Cooling does not come on. | • 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 key to Cool. |
System on indicator( = heat, |
| = | Wait five minutes after seeing the flame or snowflake and check the | |
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| registers again. If no there is no hot or cool air coming from the registers, | |||
cool) is lit, but no warm or cool air is | ||||
refer to Heating does not come on or Cooling does not come on. If all of this | ||||
coming from the registers. |
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| has been checked, contact your local heating and cooling contractor. | |||
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Display flashes during programming. | The temperature setting limit has been reached. The heating setting range | |||
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| is 40°F to 90°F (4.5°C to 32°C). The cooling setting range is 45°F to 99°F | |
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| (7°C to 37°C). | |
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Temperature change occurs at the |
| 1. Check the program times for the period in question. | ||
wrong times. |
| 2. Make sure the AM and PM settings are correct. | ||
3.Make sure the current time and day settings are correct.
4.Reprogram any incorrect settings.
NOTE: If your thermostat is set for Smart Response control, the start times occur before your programmed comfort periods.
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