Pb (4114) - Indoor fan trouble

What does Pb mean?

There is an issue with the fan in the indoor unit of the Mitsubishi Electric PUMY Air Conditioner, which could be preventing proper air circulation. The system will stop operating.

• Malfunction of the indoor fan motor
• Obstruction preventing the indoor fan from spinning freely
• Faulty indoor fan capacitor
• Loose or damaged wiring connection to the indoor fan

Click steps to track your progress.

1. 1

   Note the error code displayed on the remote controller or indoor unit.

2. 2

   Check for any visible obstructions within the indoor unit that could prevent the fan from spinning, such as debris.

3. 3

   Power off the Mitsubishi Electric PUMY Air Conditioner system at the main electrical breaker.

4. 4

   Wait for at least 30 seconds, then restore power to the system.

5. 5

   If the error persists, contact a qualified service technician to inspect the indoor fan motor.