Appendix - LG LRE3194ST Service Manual

APPENDIX

Key operation Test
※ How to check button operation
1. Keys should be accessed according to the above sequence and check the beep sound when key is
accessed
2. If change the key access order, the buzzer make double beep sound
3. The buzzer has no operation when key accessed, it would be defected.
※ How to stop - Key Test mode
- Press 1st  2nd  ...  27th (CLEAR)
- Press 'CLEAR' button one more.
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