IS-RC-ETH-RS485-IS issue

When Connect gate way to Daikin indoor unit (P1,P2) . LED L1 (red) steady on. Daikin T stat have error code:U5.
After remove the gate way. Daikin T stat get back to normal.

Hi @DavidYang,

Can you please provide the Order code for the Intesis gateway and the Model Number of the Daikin indoor unit and wired remote (thermostat)?

Thank you!