8 TROUBLESHOOTING
CONTINUED FROM PAGE 7 |
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Symptom |
| Possible Cause |
| Corrective Action | |
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Furnace/Air Conditioner Cycles Too Fast or |
| 1. | The location of the thermostat and/or the |
| Digital thermostats normally provide precise |
Too Slow (narrow or wide temperature swing) |
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| size of the Heating/Cooling System may be |
| temperature control and may cycle faster than |
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| influencing the cycle rate. |
| some older mechanical models. A faster cycle |
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| rate means the unit turns on and off more |
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| frequently but runs for a shorter time so there is |
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| no increase in energy use. If you would like to |
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| increase the cycle time, refer to step 3 on the |
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| Configuration Menu |
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Thermostat Setting and Thermostat |
| 1. | Thermostat thermometer setting requires |
| The thermometer can be adjusted +/- 3 degrees. |
Thermometer Disagree |
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| adjustment. |
| See Temperature Display Adjustment in the |
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| Operation section. |
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Blank Display and/or Keypad Not |
| 1. | Voltage spike or static discharge. |
| Use the Reset Operation listed above. |
Responding |
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Heat Setpoint Will Not Respond |
| 1. | The desired setpoint conflicts with the |
| Change system mode to COOL. Raise the Cool |
to the Temperature Up Key |
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| setpoint of the COOL mode. |
| setpoint. Return to HEAT mode and set desired |
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| temperature. |
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Cool Setpoint Will Not Respond |
| 1. | The desired setpoint conflicts with the |
| Change system mode to HEAT. Lower the Heat |
to the Temperature Down Key |
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| setpoint of the HEAT mode. |
| setpoint. Return to COOL mode and set desired |
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| temperature. |
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