When The Ice Maker Does Not Operate - Samsung RF9000JC Manual

5. Self Diagnosis & Trouble Shooting

5-10. When the ICE MAKER does not operate

1. Water supplies to the Ice Maker automatically and ice is to be scooped out depending on its temperature and
the timing.
2. Power is always applied to the Ice Maker. So, refer to the disassembly section to remove it.
3. To check the operation of the Ice Maker, press the Ice Maker Test Switch .before disassembling it. It is not
possible to check its operation after disconnecting its power.
4. The PCB and the Ice Maker are located at the back and at the front. So, if possible, check it with a team of two
technicians.
5. When the Ice Maker Heater is on, it may cause personal injury. So, take extra care while working with the Ice
Maker.
Operation Status (CN90 #5)
Stand-
On
Test
by
Switch
5V 0V
Micom (IC01) Operation Status
Standby Rotation
CN90 #6
(Blade
0V 4.9V
Ice
Scoop)
CN90 #5
(Guide 0V 0V
Ice Full)
Test Switch (over 1.5 sec), does
Voltages at IC01 CN90 #6 and
Before
Home
completing
Is water supplied within 6 minutes
4.9V 0V
4.9V 0V
Start
When pressing the Ice Maker
it rotate?
Yes
CN90 #5 are normal?
Yes
(after Ice Full and Parallel
Detection)?
Yes
No
1) Check and Replace ICE MAKER KIT
2) Check Main PCB Input Signal / Replace
the Main PCB (CN90 #4 - "0V")
No
1) Check after connecting the Wire
Harness
2) Check and Replace ICE MAKER KIT
3) Replace MAIN PCB
No
1) Check and replace Water Valve
* Refer to Water Valve operating conditions
2) Replace MAIN PCB
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