Mitsubishi Electronics MR-G50J-SS-NZ manual Excessive cooling No cooling poor cooling, Versa

Page 25

compartment/ Ice making compartment

only applies to versa compartment.

 

Excessive cooling

 

 

 

 

No cooling; poor cooling

 

 

 

 

 

Which operation mode is

 

 

Which operation mode is versa compartment set to?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

versa compartment set to?

 

It is set to ,

 

 

 

 

 

It is set to “Soft freezing”.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“Vegetable •

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

It is set to “Soft freezing”.

Refrigerator” or

 

 

 

 

 

 

 

 

It is set to “Freezer”.

It is set to

 

 

 

 

 

 

 

 

 

 

 

“Chilled”.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the tempera-

 

 

No

 

 

 

 

 

“Vegetable •

 

Is the

 

 

 

 

 

 

 

Set the temper-

 

 

 

 

 

Set the temperature to “High”.

 

Refrigerator” or

temperature

 

No

 

ture set to “High”.

 

 

 

 

 

 

 

 

 

 

 

 

“Chilled”.

 

 

 

 

ature to “Low”.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

set to “Low”?

 

 

Yes

 

 

Check the set temperature in freezer com-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

w1

 

partment. Is the temperature set to “High”?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

Set the temperature to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does cool air come out

 

 

Only the food around

 

 

 

 

 

 

 

 

 

 

of air outlet when open-

 

 

 

“High”.

 

 

 

 

 

 

Keep food away from

ing the refrigerator-

 

 

 

 

 

 

 

 

 

 

cool-air outlet is exces-

 

Yes

 

 

 

 

 

 

 

 

 

 

 

compartment door and

 

 

 

Refer to the section:

 

air outlet in storing food.

 

 

 

sively cooled.

 

 

 

 

 

 

 

attaching a magnet bar

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“The refrigerator fan

 

 

No

 

 

 

 

 

 

 

 

 

 

 

on the door switch?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

motor does not work”.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[7] Versa

Make the operation of motor damper (for ice making compartment/ versa compartment) visible, and conduct ice making test. Check that

the baffles open and close.

(Wait one minute for self- check.)

(See “• Self-check and error display method and operation, 1 Ice making test operation” on page 14.)

Normal

The baffles

do not function Is connector CN9D on control board connected

properly?

Yes

Disconnect CN9D and measure the resistance between 1 and 2, and between 3 and 4.

Check that the winding of motor damper (for ice making compart- ment/ versa compartment) has a resistance of approx. 415"

Normal

No

0"

or

∞ "

Connect the connector properly.

No

Is 6-pin connector which is in connector cover

on the back of versa compartment connected properly?

(6-pin connector is connected to motor damper. Refer to the figure below.)

Yes

Replace the motor damper (for ice making com- partment/ versa compartment)

wReplace the fan grille as well as the motor damper because they are combined together.

Is the motor damper covered with frost?

 

Frosted

 

 

Repair the frosted part.

 

 

 

 

 

Not frosted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the versa compartment thermistor.

 

 

 

 

 

 

 

 

 

Dip the versa compartment thermistor into the ice water

Defective thermistor

 

Replace the versa

(0:) and disconnect 6-pin connector for fan grille at the

 

back of versa compartment. Measure the resistance

 

 

compartment thermistor.

between terminal 3 (white) and 6 (white).

 

 

 

 

Resistance at 0:: Approx. 6~7k"

 

 

 

 

Check the ice making compartment thermistor.

Dip the ice making compartment thermistor into the ice

Defective thermistor

Replace the ice making

 

water (0:) and disconnect 6-pin connector of fan grille

 

 

 

 

compartment thermistor.

 

at the back of ice making compartment. Measure the

 

 

 

 

 

 

 

 

resistance between terminal 1 (white) and 4 (white).

 

 

 

 

 

 

 

 

Resistance at 0:: Approx. 6~7k"

 

 

 

 

 

Ice making

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8-pin￿connector￿

4-pin￿connector￿

compartment

 

 

 

 

CN7S

thermistor

 

 

 

 

9￿9￿

 

 

1￿1￿

 

 

 

 

 

 

7￿7￿

 

 

 

 

 

 

 

 

8￿8￿

 

 

33

 

 

 

 

 

 

5￿5￿

 

 

 

 

Refrigerator

 

 

￿￿

￿ ￿

 

 

 

 

w1

 

board

 

 

 

 

compartment

Attach a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

magnet bar

 

 

 

 

 

 

 

 

 

 

here.

 

 

 

 

 

 

 

 

Ice

Versa

 

Control

CN9D 3￿3￿

 

5￿5￿

 

 

 

 

making

compart-

 

 

 

Versa

 

 

compart-

ment

 

 

 

 

 

 

 

 

ment

 

 

 

 

6-pin connector

compartment

 

 

 

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6￿6￿

 

 

 

 

 

 

 

 

2￿2￿

 

4￿4￿

 

M

Motor damper

 

 

 

 

￿ ￿

 

3￿3￿

 

(for ice making

 

 

 

 

4￿4￿

 

2￿2￿

 

 

compartment/

 

 

 

 

11

 

1 1

 

 

versa compartment)

 

 

 

25

Image 25
Contents Model MR-G50J-SS-NZ ContentsMR-G50J-NZ Easy Access Vegetable room, Easy Access Freezer RoomVegetable compartment 1MechanismSpecifications MR-G50J-NZ SpecificationsNSCE001DC1 Electrical Parts Specifications MR-G50J-NZWiring Diagram Actual Wiring Diagram 782 214 284 456 361 745 Unit mmRefrigerant Circuit Function of Operation Panel MR-G50J-NZ Operating mode and Temperature rangeFunction of normal operation Convenient functionFine adjustment of temperature Demonstration mode for shop displayThermistor temperature check mode SettingDisplay Change mode of compressor rotational speedChange of display Changing the rotational speedHow to make each damper open or close Damper Operation ModeStatus display of each damper Check points and resetting the error history Error history display modeDisplay details Troubleshooting with self-check Flowchart of SELF-CHECK MR-G50J-NZSelf-check and error display method and operation Release of self-check display modeTiming in self-check Error display and trouble locatingCheck point and treatment Display Self-check Auto ICE Maker MR-G50J-NZ Block Diagram of Printed Circuit Board MR-G50J-NZIce making cycle Automatic ice maker circuitTroubleshooting for automatic ice-maker Maintenance for water pump and water pipeOperation by ice making test Water pipe ·ankT holderExcessive cooling No cooling, poor cooling Flowchart of Trouble Criterion MR-G50J-NZControl Control board Poor coolingCompressor does not operate Filter boardInverter-related indication Compressor does not operate Error Abnormality Possible cause Symptom TreatmentStart Error Abnormality Possible cause Symptom Treatment Code E56Motor does not work Poor defrostingRefrigerator fan CN7S Excessive cooling Poor coolingCompartment/ Ice making compartment Excessive cooling No cooling poor coolingVersa Trouble Criterion of Main Parts MR-G50J-NZ Abnormal faulty Compartment Connector is at Abnormal faulty Partment ApproxAbnormal faulty Compartment Versa compart 415Compartment Heater Partition V/FTray heater Ice tray Heater board Refrigerator CompartmentComponents Part Name Troubleshooting with self-checkCheck Method and Criterion Parts Mounted Position Test Point Diagram of Filter Board MR-G50J-NZ + + Test Point Diagram of Control Board MR-G50J-NZMin Chill Names of the PartsVertical partition Control boardRight rail of the slide compartment Left rail of the slide compartmentAutomatic ice maker assembly Control panel assemblyControl panel upper/ lower Duct R upper/ lower Partition I/ SCover lower Connector cover right/ leftPartition V/ F Fan grilleTank holder Door switchCeiling of versa compartment Rotational heater board Operation panel How to removeGuide properly and works properly Compressor cover machine chamber fan motor Machine chamber fan motorDentifying roller sets Marking Door adjustmentAbbreviation Electrical Parts MR-G50J-SS-NZDoor Parts MR-G50J-SS-NZ Hinge assemblyVegetable compartment Versa compartment 01W 701 RoHS Spec Part name Drawing No07W 852 Operation panel M20 026 Door closer Left M20Body Parts MR-G50J-SS-NZ 702 Hinge assembly Right/ Lower M20 702 Hinge assembly Left/ Lower520 Water tank assembly AbbreviationThese part Accessory and Unit Parts MR-G50J-SS-NZNumbers will Be informedPage Specifications subject to change without notice