LG LSE3092ST Service Manual

(P AGE )
COMPONENT TEST --------------------------------------------------------------------------- 4-1 ~ 4-16
• Convection Motor ----------------------------------------------------------------------------------------------------------- 4-1
• Door locking Motor --------------------------------------------------------------------------------------------------------- 4-2
•
Micro Switch (normally open type) ----------------------------------------------------------------------------------- 4-2
•
LVT ------------------------------------------------------------------------------------------------------------------------------- 4-2
•
Oven Sensor ----------------------------------------------------------------------------------------------------------------- 4-3
•
Door switchr ----------------------------------------------------------------------------------------------------------------- 4-3
•
Broil heater ------------------------------------------------------------------------------------------------------------------- 4-3
•
Bake heater ------------------------------------------------------------------------------------------------------------------ 4-4
•
Convection heater ---------------------------------------------------------------------------------------------------------- 4-4
•
Drawer Upper heater ------------------------------------------------------------------------------------------------------ 4-4
• Drawer Lower heater ------------------------------------------------------------------------------------------------------ 4-4
• Oven lamp -------------------------------------------------------------------------------------------------------------------- 4-5
• Infinite switch(Single units):LF switch, LR switch, RR switch ---------------------------------------------- 4-6
•
Infinite switch(Single units):CR Switch,RR switch -------------------------------------------------------------- 4-7
•
Infinite switch(Doauble units):LF switch ---------------------------------------------------------------------------- 4-8
•
Infinite switch(Single units):LF switch, LR switch, RR switch ---------------------------------------------- 4-9
• Infinite switch(Triple units):RF switch --------------------------------------------------------------------- 4-10, 4-11
• Variable Thermostat:Lower oven switch ------------------------------------------------------------------------- 4-12
• Single surface units:Left Rear (LR) and Right Rear(RR) Element -------------------------------------- 4-13
• Center Rear(CR) Element:Warming Zone(Plane Heater) ------------------------------------------------- 4-14
• Dual surface units:Left Front(LF) Element ----------------------------------------------------------------------- 4-15
• Triple surface unit:Right Front(RF) Element --------------------------------------------------------------------- 4-16
COMPOSITION OF CONTROL ------------------------------------------------------------- 5-1 ~ 5-3
• Main PCB ----------------------------------------------------------------------------------------------------------------------- 5-2
• Power PCB ---------------------------------------------------------------------------------------------------------------------- 5-2
• Relay PCB ---------------------------------------------------------------------------------------------------------------------- 5-3
• Key PCB ------------------------------------------------------------------------------------------------------------------------ 5-3
FAILURE MODE FLOW CHART
--------------------------------------------------------- 6-1 ~ 6-14
• Power Failed(Dead), No display? ------------------------------------------------------------------------------ 6-1 ~ 6-3
• Oven does not heat, F-11
---------------------------------------------------------------------------------------- 6-4 ~ 6-6
• Door Lock System Failure,F-10?
------------------------------------------------------------------------------ 6-7 ~ 6-8
• Sensing Fail, F-1, F-2?
------------------------------------------------------------------------------------------- 6-9 ~ 6-10
• Oven too hot, F-6, F-16?
-------------------------------------------------------------------------------------- 6-11 ~ 6-13
• F-3 error (Touch-sensor key error)
Or Key does not input -------------------------------------------------- 6-14
APPENDIX -------------------------------------------------------------------------------------------------- 7-1
TROUBLE SHOOTING
------------------------------------------------------------------------- 8-1 ~ 8-3
SCHEMATIC DIAGRAM
------------------------------------------------------------------------------- 9-1
• STRIP CIRCUITS ----------------------------------------------------------------------------------------------------
9-2 ~ 9-4
EXPLODED VIEW ---------------------------------------------------------------------------- 10-1 ~ 10-6
REPLACEMENT PARTS LIST
----------------------------------------------------------- 11-1 ~ 11-9

LG LSE3092ST Specifications

General

Brand	LG
Model	LSE3092ST
Category	Ranges
Language	English