Troubleshooting
Samsung Electronics
4-47
4-3-25 Suction Temperature sensor error (Open/Short)
1. Cause of problem
Resistance value measure part
SUCT
SUCT
No
No
Yes
Yes
Outdoor unit suction
sensor connector (CN44) connected
to PCB?
Is the resistor value matching with
“NOTE1” table?
Separate the connector of the Outdoor Suction
sensor from the PCB and measure the resistance
valuebetween the 2 terminals.
Restart operation after replace the PCB.
Restart operation after connecting
the connector to PCB
Replace this part as it is the defective of the
Outdoor Suction sensor itself.
CN44 (1, 2)
NOTE1
Temperature(°C)
Resistance(KΩ)
70
60
50
40
30
20
10
0
-10
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Outdoor unit
display
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing
Cassette (4/Mini4 Way)
Wall-mounted (NeoForte)
Operation Defrost
Timer
Fan Filter/MPI Operation Defrost
Timer Filter Operation Timer
Turbo
×
×
◑
◑
◑
×
◑
◑
◑
●
◑
◑
※ ●
: ON
◑
: Flash ×: OFF
Judgment
Method
∙ Refer to the judgment method below.
Cause of
problem
∙ Disconnection or breakdown of relevant sensor. (More than 4.5V or 0.5V less than)
