Samsung RF265AB Service Manual page 61

TROUBLESHOOTING
4-2-3. If ICE MAKER does not operate
1. Water is automatically supplied to the Ice maker by temperature & time and ice maker dispenses
cubed or crushed ice.
2. Power is applied to one of its wires. So, refer to its exploded diagram when disassembling.
3. The operation of the Ice maker shall be checked after pressing the Ice maker test switch.
(Freezer compartment Ice Maker) It is not possible to check when the power is disengaged.
Function ERROR Code
Micom(IC02) Condition
Ready
#29
(Test Switch)
5V
Micom(IC02) Condition
Reverse- Return-
Ready Rotation
Rotation Rotation
#27 5V 0V 5V
function for detecting position of Ice maker at the
Does ice maker rotate when Ice
Operation
0V
Ready
0V 5V
No trouble with PCB and temperature sensor.
Recheck bad contact of the connection.
Checking method of ICE Maker voltage
The voltage between PCB typical Ground CN1#3(Black) and
1) Test switch operation(press selected) ; CN90#5(Gray) shall be DC 0V.
Waiting for test switch operation ; CN90#5(Gray) shall be less than DC 5V.
1)Test Switch operating
Checking method of ICE Maker voltage
The voltage between PCB typical Ground CN1#3(Black) and
2) IC02 MICOM #27 voltage ; wait(5V)
rotate counterclockwise(5V)
* The voltage of MICOM #27 and Connector CN90#7(Purple) are same.
Start
Does the self-diagnostic
initial Power ON?
maker test switch is pressed?
Is the input voltage of IC02
MICOM #27 normal?
Is water supplied after a
certain time?
Is Ice maker sensor
unit normal?
1)Test Switch waiting
typical PCB Ground
CN1-"3"(Black)
rotate clockwise(0V)
horizontal condition(0V)
62
1) Check the wiring connection
2) Replace the ICE MAKER KIT
Replace the ICE MAKER KIT
1) Check the wiring connection
part
2) Replace ICE MAKER KIT
3) Replace the MAIN PCB
1) Replace the Water Valve
* refer to operation condition of
water valve
1) Repair ICE Maker Sensor
* Refer to solution when ICE Maker
Sensor has trouble
wait(5V)