58
TROUBLESHOOTING
This model has a buzzer on the Panel PBA. If the buzzer does not sounds when button is pressed, Forced
Operation, door open and disconnection with Main PBA, check out defective soldering on PBA or buzzer
damage. (It is recommended replacing Panel PBA if components are damaged)
※
It could be unable to hear in case there is heavy noise or built-in environment.
3) If a buzzer does not sound
Start
Check & Replace a buzzer
on Panel PBA
NO
YES
"DingDond"
Sounds when a button on the
display panel is pressed
Normal
YES
Door alarm
sounds after any of doors
are open over 2 min.
NO
Buzzer Breakage
Replace Buzzer or Panel PBA
YES
The Buzzer surface is
broken or bended.
NO
YES
Buzzer lead comes off
from the vibration plate.
NO
Replace Panel PBA
Check the button press force and structural
design (Door Sensing)
Summary of Contents for LS3165H52HR
Page 52: ...54 TROUBLESHOOTING Diode Voltage of IPM ...
Page 69: ...72 PCB DIAGRAM 6 3 Connector Arrangement Main Board ...
Page 71: ...69 5 WIRING DIAGRAM ...
Page 72: ...74 7 1 Block Diagram 7 SCHEMATIC DIAGRAM ...
Page 73: ...75 SCHEMATIC DIAGRAM 7 2 Block Diagram INVERTER PBA DC 13 2V 5V ...
Page 76: ...EXPLODED VIEW 1 FREEZER ...
Page 78: ...15 EXPLODED VIEW 2 FRIDGE 16 ...
Page 83: ...1 7 1 8 4 5 7 3 8 2 8 3 11 10 12 EXPLODED VIEW 4 DOOR FRE 4 6 9 3 13 ...
Page 85: ...3 4 5 1 3 2 2 3 3 3 4 3 4 1 3 1 6 EXPLODED VIEW 5 DOOR REF IN ...
Page 87: ...3 3 1 2 1 1 1 4 1 5 1 6 1 7 4 EXPLODED VIEW 6 DOOR REF OUT 1 ...