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