LG Multi V 5 Reference Manual page 9

LG Split DOAS Set Up Reference Guide
How to reset the HR PCB in DOAS
1. Power Off of DOAS unit
2. Set 8‐Pin Dip switch On (4, 5, 6)
ON
1 2 3 4 5 6 7 8
3. Push 2 buttons simultaneously for more than 1 second.
4. 7 segment display shows whether the HR PCB Reset is a success or not.
‐. Succeed : 7 Segment display 'rE'
‐. Fail : 7 Segment display 'Er'
5. After HR PCB reset is succeeded, turn back the dip switch setting.
6. Power on of DOAS unit.
3
2
ON
1 2 3 4 5 6 7 8
1
1
2
3