CE
Communication error
If communication between the ignition board and the display board is not established within 3 s of power-up an error will be displayed. After communication is established, if it is lost for 30 s, the error will be displayed. The error code will be cleared upon a valid data exchange between boards
All you can do is remove the panel and make sure that the connection between the two boards is good and dry. Other than that, you will be changing cable from the lower board or the lower board itself.
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