5 importance detail of fault analysis – MITSUBISHI ELECTRIC MR-455R-W-A(NZ) User Manual

Page 20

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6.5 Importance detail of fault analysis

6.5.1 Flow chart of self - check
1) Self - check monitor circuit

For show the fault condition of refrigerator and clarify point. Therefore, self - check monitor control is provided

that are able to monitor No. of blinking condition with electric circuit and electric part . Before disconnect power plug please
confirm LED self - check .

"CONTROL PANEL"

LED show shelf - check

Caution

1. As the part list below couldn't analysis by self - check , then
please check by reference to trouble shooting page.
- Dilapidation of door switch ,refrigerator room and freezer room.
- Dilapidation of compressor and fan motor .
2. If have malfunction when supply the power . Compressor and
fan motor will not operate 20 minutes.

2) Interval of self check analysis

- Troubles of thermistor : will check always.
- Trouble of defrost heater : will just analyse during defrost display only.
(The period checking will analyse the defrost circuit after connect the plug 2 hours )

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Refrigerator plug

connect?

Connect power plug

Self - check

Mal Function Display

(No .of blinking)

No change on display

Normal operation

Check the fault point as

malfunction list

Disconnect power plug

Repair the macfunction cause

Connect power plug

No

Yes

Yes

No

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