Samsung AM048TXMDCH - MCU;MCU Subcooler Entrance;Exit Sensor Error (Open;Short)

ƟθͱЇɵʪϑ˵ͱͱϩ˝
36 Samsung Electronics
ߤࣗߤࣗߢߣđAƸࢥđAƸϑЇɵʀͱͱʪθʪϩθɇʀʪࢥʪуϩϑʪϑͱθʪθθͱθ࣍ĮΧʪࢥƊ˵ͱθϩ࣎
ߢࢋ AɇЇϑʪͱ˙Χθͱɵʪ
Is the sensor connector connected
on the PCB ?
Is the resistor value matching with
“NOTE1” table?
Separate the connector from the PCB and
measure the resistance value
between 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 itself.
No
No
Yes
Yes
Yes
NOTE1
Temperature(°C) ŵʪϑϑϩɇʀʪ࣍çץ࣎
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
(MCU subcooler)
(MCU)
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
㼼㼼㾠㾠㾠 㼼㾠㾠㾠㽙㾠㾠
࢘㽙 : ON 㾠 : Flash ×: OFF
Judgment
Method
ŵʪ˙ʪθϩͱϩ˵ʪЇʒ˝ʪϩʪϩ˵ͱʒɵʪͱиࢋ
Cause of
problem
đAƸࢥđAƸϑЇɵʀͱͱʪθʪϩθɇʀʪࢥʪуϩϑʪϑͱθϑͱΧʪࢥϑ˵ͱθϩ