
XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT
DEVICE INFORMATION
SELF-TEST (70)
1. Press Temp ▲ and ▼ keys simultaneously, then press Time ▼ to access the thermostat information.
M4934
2. Press Increase ▲ to display the production date code
in a
M17112
3. Press Increase ▲ again to display the software identification code.
(Example: 200 = software ID code 200)
M17113
4. Press Increase ▲ again to display the software revision number (Example: 001=Revision number 1).
M10229
5. Press the Increase ▲ again to display the model identification number. (Example: 314 = Model ID 314)
M4933A
6. Press Run Program to exit the
mode times out 5 minutes after the last key press.
CHECKOUT
Outdoor Temperature Sensor (optional accessory)
Expose the outdoor temperature to outdoor air for a minimum of five minutes before reading.
TROUBLESHOOTING GUIDE
Symptom | Possible Cause | Action | |
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Display will not come | Thermostat is not being | Check for 24 Vac between R and W terminals. | |
on. | powered. | Check if the circuit breaker is | |
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| Check if the system fuse is | |
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| Check if the power switch on the HVAC equipment is in the | |
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| Off | |
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| Check wiring between thermostat and HVAC | |
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| broken wires and tighten any loose connections. | |
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| If 24 Vac is present, proceed with troubleshooting. | |
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Temperature display is | Room temperature | Enter Installer Setup number 37 and reconfigure the display. | |
incorrect. | display has been |
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| reconfigured. |
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| Thermostat is configured | Enter Installer Setup number 14 and reconfigure the display. | |
| for °F or °C display. |
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| Bad thermostat location. | Relocate the thermostat. | |
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Temperature | Internal temperature | Contact distributor or retailer. | |
displaying digits as | measurement failure. |
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dashes |
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Temperature settings | The upper or lower | Check the temperature setpoints: | |
will not change. | temperature limits were | Heating limits are 55 to 85°F (13 to 29°C). | |
(Example: | reached. | Cooling limits are 65 to 99°F (18 to 37°C). | |
Cannot set the | The setpoint temperature | Check Installer Setup numbers 34 and 35 and reconfigure the | |
heating higher or the | range stops were | setpoint stops. | |
cooling lower.) | |||
configured. |
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| (continued) | |
Pub. No. |
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10 |