40 Specifications subject to change without notice. SG-38MPRA-02
Eb (Communication error between the Indoor PCB and Display Board)
Description: Indoor PCB does not receive feedback from the display board.
Recommended parts to prepare:
• Wiring mistake
• PCB faulty
• Display board malfunction
Troubleshooting
Is it still displaying
the error code ?
The unit operates normally.NO
Check the wirings and
connection.
YES
Is it normal?
Correct the connection
or replace the wirings.
NO
Replace the indoor main PCB.
YES
Is the problem solved?
Replace the display board.NO
The unit operates normally.
YES
Power o. Wait 2 minutes
then restart.
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