LED: K1, K2, K3, K4, K5 Not lit — Relay is in de-energised position

What does Not lit K1, K2, K3, K4, K5 mean?

Any of the K1-K5 LEDs on the base board (AA2) are not lit, indicating that the corresponding relay is in its de-energised (off) position.

• Normal state when the relay function is not required.
• No demand for the circuit controlled by the relay.

Click steps to track your progress.

1. 1

   No action needed for this LED state if the associated function is not expected to be active.

2. 2

   If a function controlled by one of these relays is expected to be on, check the system demand and any related settings on the indoor module/control module.

3. 3

   If there's a discrepancy, contact support for further diagnosis.