Filter
Top Products
31
MR-G50J-NZ
6-7 TEST POINT DIAGRAM OF FILTER BOARD
Earth
AC230V
230V
Components/
Part Name
Check Method and Criterion
Parts Mounted
Position
Vegetable com-
partment LED
(12V DC)
LED for bacteria
removal from
water tank
(12V DC)
In the fan grille.
On the external
surface of the
tank holder.
Timing in
making contact
•After water is supplied to the ice tray.
•After the ice level sensor lever detects that ice storage
becomes full.
•While the door is kept open for maximum of 5 minutes.
Abnormal
condition
When the door is opened, LED goes out within 5 minutes.
wMake sure if the connector is securely connected.
Normal condition
•The pointer of the tester equipped with a diode range shakes
when measuring the resistance between 4-pin connector
No.3(-) and No.4(+).
•Use a tester equipped with a diode range ( ) for
judgement.
Timing in
making contact
Electricity is supllied all the time.
Abnormal
condition
•The pointer of the tester equipped with a diode range does
not shake when measuring the resistance between 4-pin
connector No.3(-) and No.4(+).
•Make sure that the pointer of the tester does not shake even
if the polarities are reversed.
•Resistance: Short-circuited (0
')
LED shown in the figure on the right turns orange in the above timing.
Note: LED cannot be replaced individually because it is combined with the fan grille.
LED
Use a tester equipped
with a diode range
( ).
LED
Note: LED cannot be replaced individually because
it is embedded in the tank holder.
OA090-2.qxp 06.7.20 9:56 AM Page 31