What does H41 mean?

This error indicates a problem with how the indoor and outdoor units are wired or connected. It could also mean the expansion valve is not working correctly.

• Incorrect wiring between indoor and outdoor units
• Improper connection of piping
• Faulty expansion valve

Click steps to track your progress.

1. 1

   Check the wiring and connection pipes between the indoor and outdoor units.

2. 2

   Inspect the expansion valve and its lead wire and connector.

3. 3

   Ensure all connections are secure and properly installed.