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Mr-g50j-nz 6-7 test point diagram of filter board – MITSUBISHI ELECTRIC Mitsubishi Home Refrigerator MR-G50J-SS-NZ User Manual

Page 31

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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.

w

Make 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