33
DIAGNOSIS AND SOLUTION (CONT)
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:
S Wiring mistake
S PCB faulty
S Display board malfunction
Troubleshooting and Repair:
Power o , then restart the
unit 2 minutes later.
Is it still displaying
the error code ?
The unit operates normallyNO
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 boardNO
The unit operates normally
YES
To Next Page
Loading...
