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 regardless 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.
Always wait at least 3 minutes before restarting a compressor to allow the pressures to equalize and to avoid damage.
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. If you press the TEST button while a failure code is displayed, the test mode will not begin.
MICOM FUNCTION
- 30 -
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
(open of baffle)
5. Optichil 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
(closing of baffle)
5. OptiChil stepping motor damper is completely
closed.
6. GR-L267BV(T)RA, GR-L267BV(T,S)PA (Refer
toappendix)
GR-L267BV(T)R (Refer to appendix )
Return to the initial status.
Freezing fan turns off in
door opening.
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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