Gree GWH12MB-K3DNA3K/O - Exploded View and Parts’ List

64
Installation and Maintenance
Service Manual
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Y
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Start
Measure voltage at the
Test 10 position as
shown in the diagram
with a voltmeter
Value jumping
Measure voltage at the
Test 15 position as
shown in the diagram
with a voltmeter
Value jumping
Measure voltage at the
Test 11 position as
shown in the diagram
with a voltmeter
Value jumping
Measure voltage at the
Test 12 position as
shown in the diagram
with a voltmeter
Value jumping
The communication
circuit of the outdoor
unit is normal
End
Fault with
outdoor unit