8.Diagnosis process for outdoor communication circuit
Installation and Maintenance
Start
Test voltage
value with Test
10 position in
diagram with
voltage meter
Number jumping
Y
Test voltage
value with Test
13 position in
diagram with
voltage meter
Y
Number jumping
Y
Test voltage
value with Test
11 position in
diagram with
voltage meter
Number jumping
Y
Test voltage
value with Test
12 position in
diagram with
voltage meter
Number jumping
Y
The circuit of
outdoor unit
communication
is normal
N
N
Outdoor unit
malfunction
N
N
End
26
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