Trane Furnace Error Code 1-3
Limit circuit fault — the high-temperature limit switch or sensor is faulty or detecting a problem.
⚠️ Symptoms You'll Notice
- • Furnace shuts off after running briefly
- • No heat being delivered
- • Temperature readings incorrect
- • Furnace cycles on and off
What Causes Error Code 1-3?
🔧 DIY Troubleshooting Steps
- 1 Check the air filter and replace if dirty
- 2 Make sure all vents and returns are not blocked
- 3 Verify furnace is getting proper airflow
- 4 Look for any obvious loose connections inside the furnace
📞 When to Call a Professional
Limit switch testing and replacement requires professional service.
Estimated repair cost in Albuquerque: $150–$400
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Frequently Asked Questions
What does Trane Furnace error code 1-3 mean? ▼
Limit circuit fault — the high-temperature limit switch or sensor is faulty or detecting a problem.
How much does it cost to fix error code 1-3 in Albuquerque? ▼
Typical repair costs in Albuquerque for Trane Furnace error code 1-3 range from $150–$400. Limit switch testing and replacement requires professional service.
Can I fix Trane error code 1-3 myself? ▼
Some basic troubleshooting is safe to try: Check the air filter and replace if dirty. Make sure all vents and returns are not blocked. Limit switch testing and replacement requires professional service.
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