2-17. Test Function
1. The test function is a self-diagnostic system designed to detect problems early and to make diagnosis and repair easier
and quicker.
2. The test button is on the main PCB. Test mode can run for up to 2 hours and will then default to the normal operation
mode if not reset manually.
3. The function buttons are inoperable when the refrigerator is in test mode.
4. When you have finished using the test mode, reset the appliance manually by unplugging it for several seconds.
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. The test button is inoperable if the display is showing failure codes. Reset the appliance manually to use the test button.
MICOM FUNCTION
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Test 1
Test 2
Normal
Status
Mode Operation Contents Remarks
Press test button once
(strong cold mode)
Press test button once at
the test mode 1 status
(forced defrost mode)
Press test button once at
the test mode 2 status
1. Continuous operation of compressor
2. Continuous operation of freezing BLDC motor
(high-speed RPM) and cooling BLDC motor
3. Defrost heater turns off
4. Stepping motor damper is completely opened
(baffle open)
5. Optichill stepping motor damper is completely
closed.
6. All display LEDs or LCD graphics turn on.
1. Compressor OFF
2. Freezing BLDC motor and cooling BLDC
motor turn off
3. Defrost heater turns on
4. Stepping motor damper is completely closed
(baffle close)
5. Optichill stepping motor damper is completely
closed.
6. All display LEDs or LCD graphics turn off.
Except for (A), (B) LCD graphic.
Except for (A): 22 (B): 22 LEDs.
Return to the initial status.
Freezer fan is off when
door is open.
Return to the normal mode
when the defrost sensor is
above +5°C
Compressor will operate
after delay for 7 minutes
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