Alarm 233 (or 224, 182) Fan alarm from Heat Pump — Fan blocked or not connected

What does Fan alarm 233 mean?

This alarm indicates that the fan has failed to start 5 times consecutively, likely due to a blockage or a connection issue.

• Fan is blocked by debris (e.g., leaves, snow, ice).
• Fan is not connected correctly.
• Defective fan.

Click steps to track your progress.

1. 1

   Visually inspect the fan and fan grille on the outdoor unit for any obstructions like leaves, snow, or ice and remove them carefully.

2. 2

   Check that the fan appears securely connected, without loose wires (if accessible and safe).

3. 3

   If the fan is clear of obstructions and the alarm persists, contact a qualified technician.