Code 13 — Limit Circuit Lockout

Was bedeutet 13 ?

The limit circuit has detected a potentially unsafe condition, likely overheating, and has locked out the system. The system will use heat pump heating if available.

• Overheating condition
• Faulty limit switch
• Blocked airflow
• Malfunctioning fan

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check for blocked air filters or return vents.

2. 2

   Ensure all vents and registers are open.

3. 3

   Verify the fan is operating correctly.

4. 4

   Contact an HVAC technician if overheating persists.