Install Manual

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10.6 Error Code: EH 0b (Indoor PCB / Display board communication error diagnosis and solution)
Derscription: Indoor PCB does not receive feedback from the display board.
Recommended parts to prepare:
•
Communication wire
• Indoor PCB
• Display board
Troubleshooting and repair:
Is it still displaying the
error code?
The unit functions normally.
Check the wirings and connections
Are all the
connections
good?
Replace the indoor main PCB.
Does the error
still exist?
Replace the display board.
Power off, then restart the unit
2 minutes later.
Ensure a proper connection.
YES
NO
NO
YES
****Disclaimer****
The error codes and descriptions are for reference only. If your system displays any of
these codes contact a qualified technician to investigate the matter further.