Carrier Performance Series Thermostat – Operating Instructions
Covers scheduling, temperature adjustments, energy-saving features, and advanced programming options. This manual helps users get the most out of their Performance Series thermostat for comfort and efficiency.
Carrier Performance Series Thermostat — Troubleshooting
Thermostat not powering on
Possible cause:
No AC power or tripped breaker
Solution: Verify 24V power, check breakers and wiring connections
Display shows “ERR”
Possible cause:
Internal communication or sensor error
Solution: Restart thermostat; if persists, replace sensor or contact support
AC not activating
Possible cause:
Incorrect stage selection or low voltage
Solution: Verify thermostat stages, check voltage and relays
Heating not engaging
Possible cause:
Furnace disconnected or setup incorrect
Solution: Inspect furnace wiring and thermostat configuration
Fan stays on continuously
Possible cause:
Fan set to ON instead of AUTO or override enabled
Solution: Change fan setting to AUTO; check for schedule or manual overrides
Frequently Asked Questions
Why does my AC fan keep running? +
If the fan setting is ON, it will run continuously. Switch it to AUTO to allow the fan to cycle with the heating or cooling system.
How do I reset my thermostat? +
Press and hold the Mode and + buttons simultaneously until the display resets. This can resolve minor errors or communication issues.
The display is blank. What should I check? +
Ensure the thermostat is receiving 24V AC power. Check circuit breakers, fuses, and wiring connections.
Does this thermostat support both heating and cooling? +
Yes, it supports multi-stage heating and cooling systems when wired and configured correctly.
Why is my thermostat showing an error code? +
Error codes may indicate sensor or communication issues. Refer to the user manual to identify the code and follow recommended troubleshooting steps.
Can I schedule energy-saving modes? +
Yes, the Performance Series allows scheduling of comfort and energy-saving modes. Check the programming guide to set daily or weekly schedules.
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Here you can share your thoughts or experiences about this thermostat. If you have any questions, please make sure to read the manual first. If you can’t find the manual, you can request one using our contact form.