Lennox AC Error Code 432
Compressor protection activated — the system has detected a condition threatening compressor safety.
⚠️ Symptoms You'll Notice
- • Compressor shuts off
- • No cooling
- • System cycles on and off
- • Protection mode
What Causes Error Code 432?
🔧 DIY Troubleshooting Steps
- 1 Don't force the system to restart
- 2 Check for visible refrigerant leaks
- 3 Verify both power lines to outdoor unit
- 4 Call professional immediately
📞 When to Call a Professional
Compressor protection requires professional electrical and refrigerant diagnostics.
Estimated repair cost in Albuquerque: $300–$1200
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Frequently Asked Questions
What does Lennox Air Conditioner error code 432 mean? ▼
Compressor protection activated — the system has detected a condition threatening compressor safety.
How much does it cost to fix error code 432 in Albuquerque? ▼
Typical repair costs in Albuquerque for Lennox Air Conditioner error code 432 range from $300–$1200. Compressor protection requires professional electrical and refrigerant diagnostics.
Can I fix Lennox error code 432 myself? ▼
Some basic troubleshooting is safe to try: Don't force the system to restart. Check for visible refrigerant leaks. Compressor protection requires professional electrical and refrigerant diagnostics.
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