LG LRE3085ST - Page 4

(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
• Inner Broil heater ------------------------------------------------------------------------------------------------------------
4-3
• Outer Broil heater ------------------------------------------------------------------------------------------------------------
4-4
• Bake heater -------------------------------------------------------------------------------------------------------------------
4-4
• Conv. heater ------------------------------------------------------------------------------------------------------------------ 4-4
• Single surface unit(LR, RR) -------------------------------------------------------------------------------------------- 4-5
• Dual surface unit(LF, RF) ------------------------------------------------------------------------------------------------ 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
SVC TEST MODE ---------------------------------------------------------------------------------------- 6-1
CHECK THE FAILURE CODE
---------------------------------------------------------------- 7-1~7-2
• Check the Failure Code-------------------------------------------------------------------------------------------------- 7-1
• Failure Code Summary ----------------------------------------------------------------------------------------------------- 7-2
BASIC CHECK SUMMARY
--------------------------------------------------------------------- 8-1~8-2
CHECKING FLOW CHART BY FAILURE
--------------------------------------------- 9-1 ~ 9-25
• Power Failed(Dead), No display? ----------------------------------------------------------------------------- 9-1 ~ 9-3
• No heating, F9? ---------------------------------------------------------------------------------------------------- 9-4 ~ 9-8
• Cook top No heating?------------------------------------------------------------------------------------------- 9-9 ~ 9-12
• Door Lock System Failure, F10? --------------------------------------------------------------------------- 9-13 ~ 9-16
• Sensing Fail, F1, F2? ----------------------------------------------------------------------------------------- 9-17 ~ 9-18
• Oven hot, F6? -------------------------------------------------------------------------------------------------- 9-19 ~ 9-23
• Keypad Failure, F3 error? ------------------------------------------------------------------------------------- 9-24 ~ 9-25
APPENDIX ------------------------------------------------------------------------------------------------- 10-1
TROUBLE SHOOTING
---------------------------------------------------------------------
11-1 ~ 11-3
SCHEMATIC DIAGRAM
--------------------------------------------------------------------- 12-1~12-2
• STRIP CIRCUITS ------------------------------------------------------------------------------------------------- 12-3 ~12-6
EXPLODED VIEW ---------------------------------------------------------------------------- 13-1 ~ 13-8
REPLACEMENT PARTS LIST
---------------------------------------------------------- 14-1 ~ 14-3