Mitsubishi Electronics MR-G50J-SS-NZ manual Flowchart of SELF-CHECK MR-G50J-NZ

Page 14

6-2 FLOWCHART OF SELF-CHECK

MR-G50J-NZ

(1) Troubleshooting with self-check

This refrigerator has self-check feature to clarify and indicate where & what the trouble is. You can perform operation checks and identify malfunction of electric or electronic parts. Error history is recorded and can be displayed by the refrigerator.

ASelf-check

Operate the ice-making test. (Current displayed error: Refer to 1 in the table below.)

The display of ice making compart- ment setting will blink during the test.

 

Is error displayed?

 

Yes

B Locate the trouble according to LED

 

indication. (See page 15,16)

 

Unplug the power cord from outlet.

 

Repair /replace defective part(s)

 

according to LCD indication.

c

Self-check

 

Plug the power cord into outlet.

 

(Current displayed error:

 

Refer to 2 in the table below.)

Yes

Is error displayed?

 

 

No

During the ice-making test mode, watch the operation ice-maker gear box and water pump in refrigerator.

No

*Wait 10 minutes before inserting the cord once it's unplugged. (if the cord is plugged in within 10 minutes, error may be displayed.)

DError history mode (Refer to 6.1(8)) Problem may recover automatically. Perform the following if error is not displayed before treatment or the error which was displayed

at the time power of the unit was turned on is not displayed.

Set the error display mode.

No Release error displayed

Is error displayed?

mode, and the self-check

 

Yes

is finished.

 

Perform self-check

 

 

procedures B through C.

 

 

Reset the error history.

 

 

(Refer to 6.1(8))

 

 

Yes

No

Release error display

Is error displayed?

 

mode and perform the

 

 

self-check again.

 

 

(go to A)

Note1: Self-check cannot detect abnormalities in the following parts. See page 19-31 for troubleshooting.

Door switch Motor damper

Heater (Water pipe / Vegetable compartment heater, etc.) Water pump motor

Was more than one error displayed during repair?

Yes

Was the error which was

displayed at the service-call received

was turned on displayed? Was treatment performed?

No

No

D

Perform error history mode.

D

Perform error history mode.

Note2: If any abnormality is found when switch is turned on, compressor and fan motor are suspended for 10 minutes.

Note3: The alarm beeps when some abnormalities (motor-locked) have occurred at the refrigerator fan motor restarts its normal operation.

Note4: If any abnormality occurs in compressor's inverter circuit,

the compressor and the refrigerator fan motor stop for 10 minutes (not only when plugging the power cord).

Yes

Self-check is finished.

●Self-check and error display method and operation

Self-check

(current displayed

 

error)

history.

Display error

Item

Operation method

Display or self-check operation

Display time

Others

1Ice making test operation.

 

 

1.Conduct the automatic ice making test.

For 10 minutes

Self-check is not available

Press the

switch.

(The display of ice making compartment

after setting.

during child lock, cooking

All items except (*6) listed

for 5 seconds.

setting is blinked)

 

timer, changing the rotati-

up on the table at page

 

2.When trouble is found, all error codes

 

onal speed of compressor,

17 will be checked.

 

 

 

 

 

except

-

are displayed.

 

checking the temperature

 

 

 

3.When error is not found, nothing is

 

of thermistor, damper ope-

 

 

 

displayed.

 

 

ration and demonstration

 

 

 

 

 

 

 

modes.

2Power input.

Plug the power

1.When trouble is found, all trouble except

For 10 minutes

Self-check is not available

All items except (*6) listed

cord into outlet.

-

and displayed.

after power is

during demonstration

up on the table at page

 

 

2.When error is not found, nothing is

supplied.

mode.

17 will be checked.

 

 

displayed.

 

 

 

3Error history

Refer to 6.2(3)

 

1.When trouble is found, all trouble except

For one hour

Self-check is not available

 

Error history

 

-

and displayed.

after setting,

during child lock, cooking

 

display mode.

 

2.When error is not found, nothing is

or until mode

timer, changing the rotati-

 

 

 

displayed.

 

is released.

onal speed of compressor,

 

 

 

 

checking the temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of thermistor, damper ope-

 

 

 

 

 

 

 

ration and demonstration

 

 

 

 

 

 

 

modes.

●Release of self-check display mode

self-check finishes automatically. Error cord display is automatically released 10 minutes later.

14

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Contents Contents Model MR-G50J-SS-NZVegetable compartment Easy Access Vegetable room, Easy Access Freezer RoomMR-G50J-NZ 1MechanismSpecifications Specifications MR-G50J-NZElectrical Parts Specifications MR-G50J-NZ NSCE001DC1Wiring Diagram Actual Wiring Diagram Unit mm 782 214 284 456 361 745Refrigerant Circuit Function of normal operation Operating mode and Temperature rangeFunction of Operation Panel MR-G50J-NZ Convenient functionThermistor temperature check mode Demonstration mode for shop displayFine adjustment of temperature SettingChange of display Change mode of compressor rotational speedDisplay Changing the rotational speedStatus display of each damper Damper Operation ModeHow to make each damper open or close Display details Error history display modeCheck points and resetting the error history Self-check and error display method and operation Flowchart of SELF-CHECK MR-G50J-NZTroubleshooting with self-check Release of self-check display modeCheck point and treatment Error display and trouble locatingTiming in self-check Display Self-check Ice making cycle Block Diagram of Printed Circuit Board MR-G50J-NZAuto ICE Maker MR-G50J-NZ Automatic ice maker circuitOperation by ice making test Maintenance for water pump and water pipeTroubleshooting for automatic ice-maker Water pipe ·ankT holderControl Flowchart of Trouble Criterion MR-G50J-NZExcessive cooling No cooling, poor cooling Compressor does not operate Poor coolingControl board Filter boardError Abnormality Possible cause Symptom Treatment Inverter-related indication Compressor does not operateError Abnormality Possible cause Symptom Treatment Code E56 StartRefrigerator fan Poor defrostingMotor does not work Excessive cooling Poor cooling CN7SVersa Excessive cooling No cooling poor coolingCompartment/ Ice making compartment Trouble Criterion of Main Parts MR-G50J-NZ Abnormal faulty Compartment Versa compart Abnormal faulty Partment ApproxAbnormal faulty Compartment Connector is at 415Partition V/F Compartment HeaterHeater board Refrigerator Compartment Tray heater Ice trayCheck Method and Criterion Parts Mounted Position Troubleshooting with self-checkComponents Part Name Test Point Diagram of Filter Board MR-G50J-NZ Test Point Diagram of Control Board MR-G50J-NZ + +Names of the Parts Min ChillRight rail of the slide compartment Control boardVertical partition Left rail of the slide compartmentControl panel upper/ lower Duct R upper/ lower Control panel assemblyAutomatic ice maker assembly Partition I/ SPartition V/ F Connector cover right/ leftCover lower Fan grilleCeiling of versa compartment Door switchTank holder Guide properly and works properly Operation panel How to removeRotational heater board Machine chamber fan motor Compressor cover machine chamber fan motorDoor adjustment Dentifying roller sets MarkingElectrical Parts MR-G50J-SS-NZ AbbreviationVegetable compartment Versa compartment Hinge assemblyDoor Parts MR-G50J-SS-NZ 07W 852 Operation panel M20 RoHS Spec Part name Drawing No01W 701 026 Door closer Left M20Body Parts MR-G50J-SS-NZ 520 Water tank assembly 702 Hinge assembly Left/ Lower702 Hinge assembly Right/ Lower M20 AbbreviationNumbers will Accessory and Unit Parts MR-G50J-SS-NZThese part Be informedPage Specifications subject to change without notice
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