6-3. If ICE Room Fan does not operate
6. Self Diagnosis & Trouble Shooting
To do list
•
This refrigerator has BLDC FAN motor. BLDC motor is driven by DC7~12V.
•
When COMP ON, normally operates with F-FAN motor.
•
If there is any trouble, you should select the self-diagnostic function to check the trouble before power off.
Start
Is COMPRESSOR ON ?
Execute manual operation
NO
YES
Is the Ice Room
temperature suitable for
the Fan working?
Is the voltage between
MAIN PCB Ground J23
JUMMPER and CN76-
”2”
(Black) around DC7~12V?
FAN works normally
Operation temperature/ready
NO
YES
NO
YES
- When pressing the ICE TEST S/W for a
certain period of time (over 1.5sec), the
function is accomplished. After
beginning of TEST mode, Ice maker
heater turns on for initial 2 minutes, if
the ice making temperature is below 0
℃
.
- If it exceeds 0
℃
, Ice maker heater turns
on for initial 30 seconds.
- After Ice maker heater turns on for 30
seconds, it turns off and then Ice maker
motor turns on.
- As the Ice maker motor turns on, TEST
MODE COUNT operates.
(6 minutes count)
Ice Room control temperature
Ice ON
8.6
℉
(-13
℃
)
Ice OFF
26.6
℉
(-3
℃
)
Condition
- Ambient temperature : 32
℃
/75%
- Notch : 2
℉
/38
℉
(-19.0
℃
/3.3
℃
)
Initial full of ice bucket capacity : 794 g, 58ea
181