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32-59

Code 32-59 Low Pressure Lockout — Refrigerant suction pressure is too low, system locked out

Carrier · Air Conditioners & Heat Pumps

What does 32-59 mean?

The suction pressure in the refrigeration system is too low to safely start the compressor, causing the system to be inoperable. It will remain inoperable until pressures increase to an acceptable range.

Common Causes

  • A leak in the refrigeration system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check for any visible signs of refrigerant leaks around the unit, such as oily residue.

  2. 2

    Contact a qualified technician to inspect the refrigeration system for leaks.

  3. 3

    Have a technician restore refrigerant pressures to the acceptable range.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

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Source: Carrier Air Conditioners & Heat Pumps
Open Manual (Page 17)Search more codes in this manual