Code 35-58 Compressor High Compression Lockout — System locked out due to extreme high compression ratio

What does 35-58 mean?

This lockout occurs when the high compression boundary is crossed while the system is already running at minimum capacity due to previous high compression events. The system will shut down for 2 hours.

• Persistent overcharge of refrigerant.
• Persistent coil blockage.
• Persistent loss of airflow across the heat exchanger.

Click steps to track your progress.

1. 1

   Wait for the 2-hour lockout period to expire.

2. 2

   Contact a qualified technician immediately to diagnose and fix the underlying high compression issue.

3. 3

   Have a technician check refrigerant charge and airflow.