105 PB
COMPONENTS TESTING
48-60k Outdoor Unit Filter Board
Figure 609 (48-60k BTU Filter PCB)
NO. Description NO. Description
1
N O ut
4 Lin
2 5 Nin
3
L O ut
Communication Between Main Control Board& Filter Board
6
1
2
3
4
5
PIN DESCRIPTION CHECK ACTION
1 n out
2 Communication Between Main
Control Board&Filter Board
3 L OUT
4 L IN
5 N IN
6 FUSE With Power Off Unit Check For
Continuity
Replace Filter PCB