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MEDIUM Trane Furnace Est. Repair: $0–$300

Trane Furnace Error Code 1-1

Normal operation — no call for heat. This code means the furnace is not currently being called to run by the thermostat.

⚠️ Symptoms You'll Notice

  • Furnace not running
  • No heat even though it's cold
  • Blower may run briefly then stop
  • System appears off

What Causes Error Code 1-1?

× Thermostat not calling for heat
× Thermostat set too low or off
× Thermostat batteries dead
× Faulty thermostat wiring

🔧 DIY Troubleshooting Steps

  1. 1 Set thermostat 5 degrees higher than the current room temperature
  2. 2 Check thermostat batteries if it's battery-powered
  3. 3 Verify thermostat display is lit and responsive
  4. 4 Confirm furnace circuit breaker is ON

📞 When to Call a Professional

If thermostat shows it's calling for heat but furnace won't start, call for service.

Estimated repair cost in Albuquerque: $0–$300

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Frequently Asked Questions

What does Trane Furnace error code 1-1 mean?

Normal operation — no call for heat. This code means the furnace is not currently being called to run by the thermostat.

How much does it cost to fix error code 1-1 in Albuquerque?

Typical repair costs in Albuquerque for Trane Furnace error code 1-1 range from $0–$300. If thermostat shows it's calling for heat but furnace won't start, call for service.

Can I fix Trane error code 1-1 myself?

Some basic troubleshooting is safe to try: Set thermostat 5 degrees higher than the current room temperature. Check thermostat batteries if it's battery-powered. If thermostat shows it's calling for heat but furnace won't start, call for service.

Other Trane Furnace Error Codes

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