Lennox HVAC Error Code E601: How to Fix It

Q: What causes Lennox error code E601?

E601 is caused by a malfunction in the indoor blower module system, typically due to a failed blower motor, bad motor capacitor, loose wiring connections, or a faulty control module. Restricted airflow from dirty filters can also trigger this error.

Q: Can I reset Lennox error code E601?

You can attempt a reset by turning off the system at the thermostat, switching off power at the circuit breaker for 5 minutes, then restoring power. However, if the underlying blower motor or control module issue isn't resolved, the error will return.

Q: Is it safe to run my Lennox HVAC with error E601?

No, you should not continue running the system with error E601. This error indicates a blower motor problem that could lead to poor air circulation, system overheating, or complete failure. Turn off the system until repairs are made.

Q: How much does it cost to fix Lennox error E601?

Repair costs vary depending on the root cause. A dirty filter costs under $20, while blower motor replacement typically runs $300-$800 including labor. Control module replacement can cost $200-$500. Professional diagnosis usually costs $100-$200.

Q: How long does a Lennox blower motor last?

Lennox blower motors typically last 15-20 years with proper maintenance. Factors like dirty filters, blocked vents, and lack of regular maintenance can significantly reduce motor lifespan and lead to errors like E601.

Abstract

Lennox error code E601 indicates a fault with the indoor blower module, which controls your HVAC system's air circulation. This error typically means the blower motor or its control module has failed, causing reduced airflow or complete system shutdown.