LG LRE3194ST User Manual

(Page)
COMPONENT TEST -------------------------------------------------------------------------------- 4-1 ~ 4-7
• Convection Motor ---------------------------------------------------------------------------------------------------------------- 4-1
• Door locking Motor -------------------------------------------------------------------------------------------------------------- 4-2
• Micro Switch ----------------------------------------------------------------------------------------------------------------------- 4-2
• Oven Sensor --------------------------------------------------------------------------------------------------------------------- 4-2
• Door switch ------------------------------------------------------------------------------------------------------------------------ 4-3
• Oven lamp ------------------------------------------------------------------------------------------------------------------------- 4-3
• Bake heater ------------------------------------------------------------------------------------------------------------------------ 4-3
• Broil heater -------------------------------------------------------------------------------------------------------------------------- 4-3
• Single surface unit(LR, RR) ------------------------------------------------------------------------------------------------ 4-4
• Single surface unit(RF) ------------------------------------------------------------------------------------------------------- 4-5
• Dual surface unit(LF) ---------------------------------------------------------------------------------------------------------- 4-6
• Center Rear(CR): Warming Zone ---------------------------------------------------------------------------------------- 4-7
COMPOSITION OF CONTROL ---------------------------------------------------------------- 5-1 ~ 5-6
• Wiring Diagram -------------------------------------------------------------------------------------------------------------- 5-1~5-2
• Key Matrix --------------------------------------------------------------------------------------------------------------------------- 5-3
• Main PCB ---------------------------------------------------------------------------------------------------------------------------- 5-5
• Oven Relay PCB ------------------------------------------------------------------------------------------------------------------- 5-5
• Cook top display PCB ----------------------------------------------------------------------------------------------------------- 5-6
• Key Pad ------------------------------------------------------------------------------------------------------------------------------ 5-6
CHECK THE FAILURE CODE -------------------------------------------------------------------------- 6-1
FAILURE CODE SUMMARY
---------------------------------------------------------------------------- 7-1
BASIC CHECK SUMMARY
------------------------------------------------------------------------ 8-1~8-2
CHECKING FLOW CHART BY FAILURE
----------------------------------------------- 9-1 ~ 9-19
• Power Failed(Dead), No display? ---------------------------------------------------------------------------------- 9-1 ~ 9-3
• No heating, F9? ---------------------------------------------------------------------------------------------------------- 9-4 ~ 9-6
• Cook top No heating? -------------------------------------------------------------------------------------------------- 9-7 ~ 9-9
• Door Lock System Failure, F10? ------------------------------------------------------------------------------- 9-10 ~ 9-12
• Sensing Fail, F1, F2? ---------------------------------------------------------------------------------------------- 9-13 ~ 9-14
• Oven hot, F6? --------------------------------------------------------------------------------------------------------- 9-15 ~ 9-17
• Keypad Failure, F3 error? ---------------------------------------------------------------------------------------- 9-18 ~ 9-19
APPENDIX ----------------------------------------------------------------------------------------------------- 10-1
TROUBLE SHOOTING
------------------------------------------------------------------------ 11-1 ~ 11-3
SCHEMATIC DIAGRAM
------------------------------------------------------------------------ 12-1~12-2
• STRIP CIRCUITS ------------------------------------------------------------------------------------------------------ 12-3 ~12-5
EXPLODED VIEW ----------------------------------------------------------------------------- 13-1 ~ 13-10
REPLACEMENT PARTS LIST
------------------------------------------------------------- 14-1 ~ 14-9

LG LRE3194ST Specifications

General

Brand	LG
Model	LRE3194ST
Category	Ranges
Language	English