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 LED check, not
indicated on the failure display part (when pressing freezing temperature adjustment button and special freezing
button for a second or more).
2-14. 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.
Test 1
Test 2
Normal
Status
Mode Manipulation Content Remarks
Press test button once
(freezing force mode)
Press test button once at
the test mode 1 status
(compulsory frost removal
mode)
Press test button once at
the test mode 2 status
(freezing force mode)
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 LED 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 LED graphics - OFF
(88LED: Except for (A)22 (B)22 LEDs
Bar, Dot LED: Except for only middle Notch
Bar Graphics)
Return to the initial status.
Freezing room fan is
turned off in door open.
Compressor is operated
after 7 minutes.
MICOM FUNCTION
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