LG Electronics GR-P227/L227 Test Function, Micom Function, Mode, Operation, Contents, Remarks

Models: GR-P257/L257 GR-P227/L227

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2-17. Test Function

MICOM FUNCTION

2-17. Test Function

1.The purpose of test function is to check function of the PWB and product and to search for the failure part at the failure status.

2.Test button is placed on the main PCB of refrigerator (test switch), and the test mode will be finished after maximum 2 hours irrespective of test mode and then is reset to the normal status.

3.Function adjustment button is not perceived during performance of test mode.

4.In finishing test mode, always pull the power cord out and then plug-in it again for the normal state.

5.If nonconforming contents such as sensor failure are found during performance of test mode, release the test mode and display the failure code.

6.Even if pressing the test button during failure code display, test mode will not be performed.

Mode

Operation

 

Contents

Remarks

 

 

 

 

Test 1

Press test button once

1. Continuous operation of compressor

Freezing fan turns off in

 

(strong cold mode)

2. Continuous operation of freezing bldc motor

door opening

 

 

 

(high-speed RPM) and cooling bldc motor

 

 

 

3.

Defrost heater turns off

 

 

 

4.

Stepping motor damper is completely

 

 

 

 

opened (open of baffle)

 

 

 

5.

Miracle zone stepping motor damper is

 

 

 

 

completely closed.

 

 

 

6.

All display LCD graphics turns on.

 

 

 

 

 

Test 2

Press test button once at

1. Compressor OFF

Return to the normal mode

 

the test mode 1 status

2. Freezing bldc motor and cooling bldc motor

when the defrost sensor is

 

(forced defrost mode)

 

turn off

above +5°C

 

 

3.

Defrost heater turns on

 

 

 

4.

Stepping motor damper is completely

 

 

 

 

closed (closing of baffle)

 

 

 

5.

Miracle zone stepping motor damper is

 

 

 

 

completely closed.

 

 

 

6.

All display LCD graphics turns off (only LCD

 

 

 

 

turns on for(A) “MIDIUM” status, (B)

 

 

 

 

“MIDIUM” status)

 

 

 

 

 

Normal

Press test button once at

Return to the initial status.

Compressor will operate

Status

the test mode 2 status

 

 

after delay for 7 minutes

 

 

 

 

 

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LG Electronics GR-P227/L227, GR-P257/L257 service manual Test Function, Micom Function, Mode, Operation, Contents, Remarks