UA — Indoor-outdoor unit combination fault

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This code indicates a fault related to how the indoor and outdoor units are communicating or operating together. It's a general combination error.

• Communication error between units
• Mismatched indoor/outdoor units
• System configuration issue

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Ensure the indoor and outdoor units are compatible and correctly configured.

2. 2

   Check wiring connections between the units.

3. 3

   Consult the installation manual or a technician to verify system setup.