When Ice Maker(Ff) Does Not Operate - Samsung RF30HBEDBSR Service Manual

TROUBLESHOOTING

4-2-4. When ICE MAKER(FF) does not operate

1. Water will be automatically supplied to the Ice Maker depending on temperature & time conditions, and ice will be
produced to dispense.
2. Power is applied to one end of the wires. So, make sure to refer to its Exploded View whenever doing the
disassembly.
3. The operation of the Ice Maker shall be done after pressing the Ice Maker Test Button.
(Fridge Ice Maker) It is not possible to check when the power is off.
4. Since both of the PCB and the Ice Maker are located at the front and the back each other, make sure to have two
people check them.
5. It may cause burn when the Ice Maker Heater heats up. So, please take an extra caution.
6. The Ice Maker has a counter-clockwise rotation function. So, its counter-clockwise rotation is normal.
Displays ERROR Code
Micom(IC01) Operation Status
Stand-
#7
by
(Test Switch)
5V
Micom(IC01) Operation Status
Standby Rotation
#73 (Blade
0V 4.9V
Ice Scoop)
Ice maker Operation Status
Home → Motor CCW Rotation → Motor CW
Rotation → Water Supply → Normal ('Ding
Dong' Sound)
Ice Maker rotates when Ice Maker rotates when
pressing the Ice Maker testing pressing the Ice Maker testing
On
0V
Input Voltage of IC01 MICOM Input Voltage of IC01 MICOM
Before
Completed
finishing
4.9V 0V
Is the water supplied in 6 Is the water supplied in 6
minutes (After detecting the full minutes (After detecting the full
bucket and its horizontality)? bucket and its horizontality)?
Is the ICE Maker Sensor Is the ICE Maker Sensor
PCB & Ice Maker Related Parts are PCB & Ice Maker Related Parts are
Check all the Wire Connections again. Check all the Wire Connections again.
Start Start
No No
switch (over 1.5 sec)? switch (over 1.5 sec)?
Yes Yes
No No
#73 is normal? #73 is normal?
Yes Yes
No No
Yes Yes
No No
normal? normal?
Yes Yes
normal. normal.
84
Opration Condition while Motor is rotating
Micom(IC01) Operation Status
Stand-
by
Motor Load (#74) 0V
Heater Load (#118) 0V
Heater operates differently according to the
conditions. Test Mode operation will be 30
sec.
1) Check & Replace ICE MAKER KIT 1) Check & Replace ICE MAKER KIT
2) Check Main PCB Input Signal & 2) Check Main PCB Input Signal &
Replace it (Micom IC01 Pin #7 - "0V") Replace it (Micom IC01 Pin #7 - "0V")
1) Check Wire Connection 1) Check Wire Connection
2) Check & Replace ICE MAKER KIT 2) Check & Replace ICE MAKER KIT
3) Check & Replace MAIN PCB 3) Check & Replace MAIN PCB
1) Check & Replace Water Valve 1) Check & Replace Water Valve
* Refer to Water Valve Operating * Refer to Water Valve Operating
Conditions Conditions
2) Check & Replace Main PCB 2) Check & Replace Main PCB
1) Check & Repair ICE Maker Sensor 1) Check & Repair ICE Maker Sensor
* Refer to it when ICE Maker Sensor is * Refer to it when ICE Maker Sensor is
defective defective
On
5V
5V