Liquid Pipe Temperature Sensor Error (Open/Short) - Samsung AM009FN1DCH/AA Service Manual

Troubleshooting

4-4-50 Liquid Pipe Temperature sensor error (Open/Short)

Outdoor unit display
Indoorunit display
Judgment Method · Refer to the judgment method below.
· Disconnection or breakdown of relevant sensor.
Cause of problem
1. Cause of problem
Did the connector for the Liquid Pipe
Temperature sensor break away
Separate the connector of the Liquid Pipe Temperature
sensor from the PCB and measure the resistance value
value significantly stray from the following
Restart operation after replace the PCB
4-76
(Operation) ×(Reservation)
from the PCB?
Yes
between the 2 terminals.
Did the resistance
temperature table?
Yes
(Blast) ×(Filter) ×(Defrost)
No
Restart operation after connecting
the connector to PCB
Resistance value measure part
LIQUID
No
Replace this part as it is the defective of
the Liquid Pipe Temperature sensor itself.
Temperature (°C) Resistance (KΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0
Samsung Electronics
LIQUID