Samsung RF28HMEDBSR Service Manual Page 88

French door refrigerator.
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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-by
#7
(Test Switch)
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)
On
pressing the Ice Maker testing
5V
0V
Before
Completed
finishing
4.9V
0V
minutes (After detecting the full
PCB & Ice Maker Related Parts are
Check all the Wire Connections again.
Start
Ice Maker rotates when
switch (over 1.5 sec)?
Yes
Input Voltage of IC01 MICOM
#73 is normal?
Yes
Is the water supplied in 6
bucket and its horizontality)?
Yes
Is the ICE Maker Sensor
normal?
Yes
normal.
88
Opration Condition while Motor is rotating
Micom(IC01) Operation Status
Stand-by
Motor Load (#74)
Heater Load (#118)
Heater operates differently according to the
conditions. Test Mode operation will be 30 sec.
No
1) Check & Replace ICE MAKER KIT
2) Check Main PCB Input Signal &
Replace it (Micom IC01 Pin #7 - "0V")
No
1) Check Wire Connection
2) Check & Replace ICE MAKER KIT
3) Check & Replace MAIN PCB
No
1) Check & Replace Water Valve
* Refer to Water Valve Operating
Conditions
2) Check & Replace Main PCB
No
1) Check & Repair ICE Maker Sensor
* Refer to it when ICE Maker Sensor is
defective
On
0V
5V
0V
5V

   Also See for Samsung RF28HMEDBSR

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