Midea ODMFI-E-2110 - Page 83

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7.4.1.12 Communication error between the indoor PCB and display board
YES
Power off, then restart the unit after 2
minutes.
Does the error still
exist?
Replace the display board
Does a problem remain? The unit is operating normallyNO
Check the wirings and connections
YES
Are all the
connections good?
Ensure proper connectionsNO
YES
Replace the indoor main PCB
The problem is solvedNO