Appendix - LG LDG4315ST Service Manual

How to check button operation
1. Keys should be accessed according to the above sequence and check the beep sound when key is
accessed
If Key is the normal operation will be the number that corresponds to the Key displayed on the VFD
2. If the key access order was changed, the buzzer make double beep sound
3. The buzzer does NOT beep when a key was accessed, it would be defected.
How to stop - Key Test mode
- Press 1st(Bake) 2nd

APPENDIX

Key operation T
Key operation T
... 33th (Lower CLEAR/OFF)
est sequence
est sequence
9-1