Gree GWH18YD-K6DNA2A Service Manual page 50

Service Manual
Gathering
refrigerant
In defect of
refrigerant
Malfunction
of detecting
plate(WIFI )
(1)Key detection point
Installation and Maintenance
OFF 3S OFF 3S
F o
and blink and blink
1 times 1 times
FO
JF
Test 3
Test 5 Test 10
When the outdoor unit rece-
ive signal of Gathering refri-
gerant ,the system will be
forced to run under cooling
mode for gathering refrigerant
The Dual-8 Code Display will
show F0 and the complete
unit stops
.
.
Test 4
Test 9 Test 6 Test 7
Test 13 Test 12 Test 11
Nominal cooling mode
1.In defect of refrigerant;
2.Indoor evaporator
temperature sensor
works abnormally;
3.The unit has been
plugged up somewhere.
Test 1 Test 2
Test 8
Test 14
47