LG SxS GR-P247 Service Manual page 31

MICOM FUNCTION
Note1) In error of outside sensor, setting temperature for freezing/ cold storage is normally displayed and indicated "Er" on
the outside temperature display part (normally displayed except for the outside temperature display part).
Note2) Nonconforming contents of poor R2 sensor, ice-making sensor and ice-making kit are displayed in LCD check, not
indicated on the failure display part (when pressing freezing temperature adjustment button and special freezing
button for a second or more).
Cold storage sensor 2
(middle partition)
Ice-making sensor
ICE Maker Unit
2-16. 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 but only warning sounds ring.
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 Manipulation
Test 1 Press test button once
(freezing force mode)
Test 2 Press test button once at
the test mode 1 status
(compulsory frost removal
mode)
Normal Press test button once at
Status the test mode 2 status
(freezing force mode)
Normal : (C) Part LCD graphic- ON
Abnormal: Only (C) Part LCD graphic-OFF
Normal: (D) Part LCD graphic-ON
Abnormal: Only (D) Part LCD graphic-ON
Normal: (E) Part LCD graphic-ON
Abnormal : Only (E) Part LCD graphic-ON
Content
1. Continuous operation of compressor
2. Continuous operation of freezing room fan
(high speed RPM) and M/C room fan
3. Frost removal heater OFF
4. Full opening status (baffle opened) status of
electronic step motor damper
5. All display LCD graphics - ON.
1. Compressor OFF
2. Freezing room fan and M/C room fan is
turned off.
3. Frost removal heater ON
4. Full closing status (baffle closed) status of
electronic step motor damper
5. All display LCD graphics - OFF
( (A) "Medium" status. (B) "Medium" status.
Only LCD is turned on)
Return to the initial status.
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Other LCD graphics - ON
Remarks
Freezing room fan is
turned off in door open.
Compressor is operated
after 7 minutes.