Suction-2 Temperature Sensor Error (Open/Short) - Samsung AM080xXV Series Service Manual

4-3-29 Suction-2 Temperature Sensor Error (OPEN/SHORT)

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
×
display
※ ●: ON ◑: Flash ×: OFF
Judgment
• Refer to the judgment method below.
Method
Special Cause • Disconnection or breakdown of relevant sensor
1. Inspection Method
Suction2 sensor connector (CN44)
connected to PCB?
Separate the connector of the Suction-2 sensor
from the PCB, and measure the resistance value
between the two terminals.
Is the resistor value matching with
"NOTE1" table?
Restart operation after changing PCB
Samsung Electronics
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑ ◑
Yes
Resistance value measure part
Yes
Cassette (4/Mini4 Way)
Timer
× ◑ ◑
No
Restart operation after connecting the
connector to PCB
Temperature(°C)
70
60
50
40
30
CN46 (1, 2)
20
10
-10
No
Change this part as it is the fault of the
outdoor Suction-2 sensor itself.
Troubleshooting
Wall-mounted (NeoForte)
Filter Operation Timer
◑ ● ◑
NOTE1
Resistance(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
0 27.3
43.0
Turbo
◑
4-51