56
TROUBLESHOOTING
4-13) Self-Diagnosis Error (Defective Sensor)
Compare the room temp.
with sensed temp. using
Temp-Resistance Table.
When there is sensor error, display panel show that. When it occurs during the initial power on time,
display panel keeps blinking relevant 7-SEG and the refrigerator go into the emergency operation mode.
Start
Repair the defective contact
of the connector or insert
the connector properly
NO
YES
1) When the Ambient Sensor is defective,
MAIN PBA
connector (CN30) is inserted
properly.
Replace Thermistor
NO
YES
Ambient Temp Sensor
is ok.
Ambient-Sensor : Read
the resistance between
CN30 #1 and #2
PBA & Thermistor are ok.
Check the contact of the
connector again.
Start
Repair defective contact
point or insert the
connector properly
NO
YES
2) When the humidity sensor is defective
MAIN PBA Connector
(CN30) is properly
inserted?
Check wire connection
and Main PBA
NO
The voltage between #1-#2 of
humidity sensor is about 5V?
YES
NO
Output voltage of humidity
sensor(#3) is about 1~4V?
YES
Humidity the sensor
exchange
Replace Main PBA after checking the
connection of wire and housing.
CN30 #1- #2
CN30
c
@
@@
@HUvI
r
@
@
@
@CQMCR
@@
N
c
@
@@
@r
@
@
@CQMCS
@@
N
r
@@
@M
@
Summary of Contents for LS3165H52HR
Page 52: ...54 TROUBLESHOOTING Diode Voltage of IPM ...
Page 69: ...72 PCB DIAGRAM 6 3 Connector Arrangement Main Board ...
Page 71: ...69 5 WIRING DIAGRAM ...
Page 72: ...74 7 1 Block Diagram 7 SCHEMATIC DIAGRAM ...
Page 73: ...75 SCHEMATIC DIAGRAM 7 2 Block Diagram INVERTER PBA DC 13 2V 5V ...
Page 76: ...EXPLODED VIEW 1 FREEZER ...
Page 78: ...15 EXPLODED VIEW 2 FRIDGE 16 ...
Page 83: ...1 7 1 8 4 5 7 3 8 2 8 3 11 10 12 EXPLODED VIEW 4 DOOR FRE 4 6 9 3 13 ...
Page 85: ...3 4 5 1 3 2 2 3 3 3 4 3 4 1 3 1 6 EXPLODED VIEW 5 DOOR REF IN ...
Page 87: ...3 3 1 2 1 1 1 4 1 5 1 6 1 7 4 EXPLODED VIEW 6 DOOR REF OUT 1 ...