78
troublesHooting
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.
(Freezer 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.
4-2-5. When ICE MAKER(FZ) does not operate
ERROR Code
Opration Condition while Motor is rotating
Micom(IC01) Operation Status
Stand-by
On
Motor CW Rotation (#54)
0V
5V
Motor CCW Rotation (#53)
0V
5V
Its operation status changes as the Motor
rotates CW or CCW.
Start
Upon the initial power on, is
there a self-diagnostic location
detection of the Ice Maker?
Ice Maker rotates when
pressing the Ice Maker testing
switch?
Input Voltage of IC01 MICOM
#78 is normal?
Is water supplied after a certain
time passes?
Is the ICE Maker Sensor
normal?
1) Check Wire Connection
2) Check & Replace ICE MAKER KIT
Check & Replace ICE MAKER KIT
1) Check Wire Connection
2) Check & Replace ICE MAKER KIT
3) Check & Replace MAIN PCB
1) Check & Replace Water Valve
* Refer to Water Valve Operating
Conditions
1) Replace or Repair ICE Maker
* Refer to it when ICE Maker Sensor is
defective
PCB & Ice Maker Related Parts are
normal.
Check the room temperature
Micom(IC01) Operation Status
Stand-by
Rotation
Back
Rotation
Return
Rotation
Stand-by
#78
5V
0V
5V
0V
5V
Micom(IC01) Operation Status
#76
(Test Switch)
Stand-by
On
5V
0V
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No