Gree GWH18TC-S3DNA1D Service Manual page 84

Service Manual
10.Diagnosis process for outdoor communication circuit
Number jumping
Number jumping
Number jumping
Number jumping
Installation and Maintenance
Start
Test voltage
value with Test
10 position in
diagram with
voltage meter
Yes
Test voltage
value with Test
13 position in
diagram with
voltage meter
Yes
Yes
Test voltage
value with Test
11 position in
diagram with
voltage meter
Yes
Test voltage
value with Test
12 position in
diagram with
voltage meter
Yes
The circuit of
outdoor unit
communication
is normal
No
No
Outdoor unit
malfunction
No
N
No
End
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