Code 34-58 Compressor High Temp Lockout — System locked out due to extreme compressor high temperature

What does 34-58 mean?

This lockout occurs when the discharge temperature exceeds 230°F while the system is already running at minimum capacity due to previous high temperature events. The system will shut down for 2 hours.

• Persistent low refrigerant charge.
• Persistent very high superheat.

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 temperature issue.

3. 3

   Have a technician check refrigerant charge and superheat levels.