Samsung AM080*XV Series, Service Manual

Page: 167 / 277

T roub l eshooting
Sa m sung El ectronics 4-4 7
4-3-29 Suction-2 Temperature Sensor Error (OPEN/SHORT)
1 . Inspection Method
Y es
Suction2 sensor connector ( CN 44)
connected to P CB ?
Is the resistor v a l ue m atching w ith
“ NO TE1” tab l e ?
Separate the connector of the Suction - 2 sensor
fro m the P CB , and m easure the resistance v a l ue
bet w een the t w o ter m ina l s.
R estart operation after changing P CB
R estart operation after connecting the
connector to P CB
Change this part as it is the fau l t of the
outdoor Suction - 2 sensor itse l f.
Y es
No
No
Resistance value measure part
CN46 (1, 2)
NO TE1
T e m perature (° C ) R esistance (KΩ)
70
60
50
4 0
30
20
1 0
0
-1 0
2.2
3.0
4 .2
5. 8
8 .3
1 2. 1
18 .0
27.3
4 3.0
Outdoor unit
disp l a y
Indoorunit
disp l a y
Duct , Cassette (1/ 2 W a y), Conso l e , Ce l ing Cassette (4/ Mini 4 W a y) W a ll-m ounted ( NeoForte )
Operation Defrost T i m er Fan Fi l ter / M P I Operation Defrost T i m er Fi l ter Operation T i m er T urbo
× × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑
※ ●
: ON
◑
: F l ash ×: OFF
J udg m ent
Method
• R efer to the j udg m ent m ethod be l o w .
Specia l Cause • Disconnection or brea k do w n of re l e v ant sensor