Hydro Outlet Temperature Sensor (Tw2) Short/Open - Samsung AG042KSVANH Service Manual

4-3-45. Hydro outlet temperature sensor (Tw2) Short/Open

Inverter / Hydro control part display
Judgment Method
Cause of problem
1. Inspection Method
Did the connector for Water Out Temperature
Sensor breakaway from the PCB?
Separate the connector of Hydro unit inlet water
Temperature Sensor connector from the PCB and
measure the resistance value
between the 2 terminals.
Did the resistance value
significantly stray from the following temperature
table?
Restart operation after replace the PCB.
Refer to the inspection method below.
Hydro Unit Water Out Temperature Sensor Open/Short error.
Yes
Yes
No
Restart operation after connecting the
Resistance value
Temperature
measure part
( )
70
60
50
40
30
20
10
0
-10
No
Replace this part as it is the defective of
Hydro In Temperature Sensor itself.
90
connector to PCB.
Resistance
(KΩ)
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0