Gree CB11500430, Руководство по обслуживанию, Страница: 57 / 67

Troubleshooting
Diagnosis process for outdoor communication circuit: (refer to key test point of outdoor unit):
Start
Test voltage
value with Test
10 position in
diagram with
voltage meter
Number jumping
Outdoor unit
malfunction
Test voltage
value with Test
15 position in
diagram with
voltage meter
Number jumping
Test voltage
value with Test
11 position in
diagram with
voltage meter
Number jumping
Test voltage
value with Test
12 position in
diagram with
voltage meter
Y
Y
Y
Y
Number jumping
The circuit of
outdoor unit
communication
is normal
Y
N
N
N
Finish
N
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