Samsung RT53 - Page 46

Total Ver.02
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Hotpoint,Mba
4033 Cv
LG_MULTI_F_3828A20097W_1[1]
Samsung
Refrigerador
346481235-
WD856UHSAWQ-



0
TROUBLESHOOTING
2) When the EXT-Sensor is defective
MAIN PCB Connector
CN31 is inserted properly?
EXT Sensor is
normal?
Voltage between
MAIN PCB Connector CN31-"1"(YEL)
and CN31-"2"(YEL)?
Input Voltage at IC10
MICOM Pin #21 is normal?
Start
PCB and Temp Sensor are normal.
Check the connector contact.
Connector contact defect / Reconnect
Replace Temp Sensor
Check the wire connection
Check Soldering Defect & Short
No
No
No
NO
(V
al
ue < 0
.6
V or V
al
ue > 4
.6
V)
No
Y
es
Y
es
Y
es
Y
es
Sensor MICOM/Connector #
EXT
Between Connector CN31-
"1"(YEL) and CN31-
"2"(YEL)
Voltage : Between 4.6V ~ 0.6V
** Sensor Resistance Reading Location **
EXT : Between CN31 #1 and #2.
** Located in the PCB Box
** 0Ω : Short /
∞Ω : Open
Voltage at IC10 MICOM #21
is the same as the value
between CN31-"1"(YEL) and
CN31-"2"(YEL) of the CN31
on MAIN PBA.
Refer to Circuit Diagram
DAT
A1.
T
emp
T
able
ERROR CODE