Daikin Brc1c51 61 Installation Manual [repack] Jun 2026

Before diving into the wiring, you must identify which controller you are holding.

If the liquid crystal display shows "88" and does not change, it usually indicates a communication error between the remote controller and the indoor unit, or that the system is in a specific test/demo mode. You should cycle the power at the breaker and check the transmission wiring connections. daikin brc1c51 61 installation manual

Transmission error between a Main remote controller and a Sub remote controller. Occurs if two controllers are hooked up to the same network but both are pinned as "Main". Before diving into the wiring, you must identify

The installation process is divided into physical mounting and technical electrical connection: : Disconnect all power before starting work. Transmission error between a Main remote controller and

Communication error between the Main and Sub remote controllers. Ensure that one controller is explicitly set to Sub.

: Communication error between the indoor unit and remote controller. Check for loose wiring on terminals P1/P2. No Display

Connect the wires to the and P2 terminals on the remote controller terminal block. Tighten the screws securely.