LG LRE4213ST Service Manual

(Page)
COMPONENT TEST ------------------------------------------------------------------------------ 4-1 ~ 4-10
• Convection Motor ---------------------------------------------------------------------------------------------------------------- 4-1
• Door locking Motor -------------------------------------------------------------------------------------------------------------- 4-2
• Micro Switch ------------------------------------------------------------------------------------------------------------------------ 4-2
• Oven Sensor --------------------------------------------------------------------------------------------------------------------- 4-2
• Door switch ------------------------------------------------------------------------------------------------------------------------ 4-3
• Outer Broil heater ---------------------------------------------------------------------------------------------------------------- 4-3
• Convection heater ---------------------------------------------------------------------------------------------------------------- 4-3
• Oven lamp --------------------------------------------------------------------------------------------------------------------------- 4-3
• Infinite switch (Single units): --------------------------------------------------------------------------------------------------- 4-4
• Infinite switch (Double units): ---------------------------------------------------------------------------------------- 4-4 ~ 4-5
• Single surface units: -------------------------------------------------------------------------------------------------------------- 4-7
• Center Rear(CR) Element: ---------------------------------------------------------------------------------------------------- 4-8
• Dual surface unit ----------------------------------------------------------------------------------------------------------------- 4-9
• Triple surface unit : ------------------------------------------------------------------------------------------------------------ 4-10
COMPOSITION OF CONTROL ---------------------------------------------------------------- 5-1 ~ 5-3
• Wiring Diagram --------------------------------------------------------------------------------------------------------------------- 5-1
• Composition of Control ---------------------------------------------------------------------------------------------------------- 5-2
• Main PCB ----------------------------------------------------------------------------------------------------------------------------- 5-3
• Relay PCB --------------------------------------------------------------------------------------------------------------------------- 5-3
• Touch PCB
---------------------------------------------------------------------------------------------------------------------------- 5-4
• NFC and Buzzer PCB ------------------------------------------------------------------------------------------------------------ 5-4
SERVICE TEST MODE ---------------------------------------------------------------------------- 6-1 ~ 6-3
• Sequence SVC test mode ------------------------------------------------------------------------------------------------ 6-1~6-2
• Basic check summary ------------------------------------------------------------------------------------------------------------ 6-3
TROUBLESHOOTING --------------------------------------------------------------------------- 7-1 ~ 7-21
• Check the Failure code ---------------------------------------------------------------------------------------------------------- 7-1
• Failure code summary ------------------------------------------------------------------------------------------------------------ 7-2
• No display (No Power) ------------------------------------------------------------------------------------------------------ 7-3~7-4
• Oven does not heat ---------------------------------------------------------------------------------------------------------- 7-5~7-8
• Door lock system error --------------------------------------------------------------------------------------------------- 7-9~7-12
• Oven sensing error ------------------------------------------------------------------------------------------------------ 7-13~7-15
• Oven hot error ------------------------------------------------------------------------------------------------------------ 7-16~7-19
• Key not work --------------------------------------------------------------------------------------------------------------- 7-20~7-21
•
Key operation test sequence ---------------------------------------------------------------------------------------------- 7-22
SCHEMATIC DIAGRAM -------------------------------------------------------------------------- 8-1 ~ 8-3
• STRIP CIRCUITS --------------------------------------------------------------------------------------------------------- 8-2 ~ 8-3
EXPLODED VIEW ----------------------------------------------------------------------------------- 9-1 ~ 9-7

LG LRE4213ST Specifications

General

Style	single oven, freestanding
Color	stainless steel
Total Capacity	6.3 cubic feet
Induction	no
Number of Oven Racks	3
Number of Oven Rack Positions	7
Interior Light	yes
Fuel	electric
Current	40 amperes

Weight and Dimensions

Depth	28 15/16 inches
Height	47 5/16 inches
Width	30 inches
Net Weight	164 pounds