F49 - Outdoor bypass outlet temperature sensor abnormality

What does F49 mean?

This error indicates a problem with the outdoor bypass outlet temperature sensor. It might be defective or disconnected, affecting the system's bypass control and operation.

• Outdoor bypass outlet temperature sensor is defective
• Outdoor bypass outlet temperature sensor is disconnected

Click steps to track your progress.

1. 1

   Note the F49 error code displayed on the control panel.

2. 2

   Turn off the power supply to the Panasonic Aquarea Heat Pump at the main circuit breaker. Wait for at least 5 minutes, then restore power.

3. 3

   If the F49 error code reappears, contact an authorized Panasonic service technician for diagnosis and repair of this sensor.