Error 5 — Compressor overload protection

What does 5 mean?

The IPM is protecting the compressor from overload. This can be due to low building power, restrictions, system issues, or incorrect refrigerant charge.

• Low building power supply
• Restrictions in the system
• Non-condensible in the system
• Plugged coil
• Excessive load
• Refrigerant overcharge

Click steps to track your progress.

1. 1

   Check building power supply voltage.

2. 2

   Inspect for restrictions in the refrigeration circuit.

3. 3

   Clean coils.

4. 4

   Verify correct refrigerant charge.

5. 5

   Ensure the system is not overloaded.