Indoor/Outdoor Communication Error (Signal Receiving)

What does E8 mean?

The outdoor unit is experiencing an error in receiving communication signals from the indoor unit. This indicates a breakdown in the communication link, preventing the outdoor unit from receiving necessary commands or data, which can lead to improper operation or system shutdown.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect the indoor controller board for any visible defects or damage.