LG LRG3091ST Service Manual
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LG LRG3091ST Service Manual

30” freestanding gas range
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See also: Owner's Manual , User Manual
삼
흥
정
판
30" Freestanding Gas Range
SERVICE MANUAL
MODEL: LRG3091ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63290104
LRG3091SB
LRG3091SW
1
Website http://biz.lgservice.com
Internal Use Only
August, 2010
Printed in Korea

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Summary of Contents for LG LRG3091ST

  • Page 1 삼 흥 정 판 Internal Use Only Website http://biz.lgservice.com 30” Freestanding Gas Range SERVICE MANUAL MODEL: LRG3091ST LRG3091SB LRG3091SW CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. August, 2010 P/NO : MFL63290104 Printed in Korea...

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS • Repairs of the appliance should be carried out by a licensed technician only. Incorrect repairs may result in dangerous situations. If you need repairs, contact an LG Service Center or your dealer. • If the power cord is defective, it must be replaced by a qualified service agent with a UL listed range cord.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS GENERAL- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 ~ 1-5 •...
  • Page 4 (Page) COMPONENT TEST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 ~ 4-3 •...

  • Page 5: General

    GENERAL IMPOR ANT SAFETY INSTRUCTIONS IMPOR ANT SAFETY INSTRUCTIONS Read and follow all instructions before using your oven to prevent the risk of fire, electric shock, injury to person, or damage when using the range. This guide don’t cover all possible conditions that may occur. For further assistance contact your service agent or manufacturer.
  • Page 6 GENERAL IMPOR ANT SAFETY INSTRUCTIONS IMPOR ANT SAFETY INSTRUCTIONS • Be sure your appliance is properly installed and grounded by WARNING a qualified technician. • Do not repair or replace any part of the appliance unless • DO NOT store items of interest to specifically recommended in the manual.

  • Page 7: Surface Cooking Units

    GENERAL IMPOR ANT SAFETY INSTRUCTIONS IMPOR ANT SAFETY INSTRUCTIONS SURFACE COOKING UNITS SELF-CLEAN OVENS • If the top burner flame goes out,gas is still flowing to the • Do Not Clean Door Gasket – The door gasket is essential burner until the knob is turned to the “OFF” position.Do not for a good seal.

  • Page 8: Model & Serial Number Label And Tech Sheet Locations

    TIONS AND TECH SHEET LOCA TIONS The Model/Serial Number label and Tech Sheet locations are shown below. Model & Serial Number Location For Model Product Code LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA For Model Product Code LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /00 FG4124ES.FSTELGA...
  • Page 9 Capacity(cu.fe) Broil (NAT/ LP)[BTU/hr] 14.5k / 13.5k Bake (BTU/hr) 18k / 18k (LRG3091ST, LRG3091SB, LRG3091SW) 19k / 18k (LRG3091ST /01, LRG3091SB /01, LRG3091SW /01, LRG3091ST /02, LRG3091SB /02, LRG3091SW /02) Convection system # of Racks 2 (standard) Interior oven light...

  • Page 10: Using Your Range

    USING YOUR RANGE GENERAL INFORMA TION GENERAL INFORMA TION Rating Label Broil Mode Broil burner operates during broil mode. Broil can Model numbers are recorded on the rating label. be used to cook foods which are normally broiled. Rating label is located on the lower front left corner Preheating is not required when using broil.

  • Page 11: Control Panel Features

    USING YOUR RANGE CONTROL P ANEL FEA TURES CONTROL P ANEL FEA TURES 1. CLOCK Pad: Press before setting the time of day. 11. OVEN LIGHT Pad: Press to turn the oven light on or off. 2. COOK TIME Pad: Press and then use the + and - pads to set the amount of time you want your food to 12.

  • Page 12: To Turn On On The Surface Burners

    USING YOUR RANGE 1. TO TURN ON THE SURFACE BURNER 4. TO TURN ON/OFF THE OVEN LIGHT 1. Be sure all the surface burners are placed in The oven light automatically turns ON when the their respective positions. door is opened. The oven light may also be 2.

  • Page 13: Bake, Timed Bake, Delayed Timed Bake

    USING YOUR RANGE 7. PREHEATING ALARM LIGHT ON/OFF 12. TIMED COOK WITH WARM 1. Press and hold TIMER ON/OFF for 3 seconds. Desired COOK The display will show Opt. BAKE Temp. TIME 2. Press OVEN LIGHT to switch between On and OFF.

  • Page 14: Component Access

    This section instructs you on how to service each component inside the range. The components and their locations are shown below. COMPONENT LOCA TIONS COMPONENT LOCA TIONS For Model Product Code LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA Power PCB Relay PCB...

  • Page 15: Component Locations

    This section instructs you on how to service each component inside the range. The components and their locations are shown below. COMPONENT LOCA TIONS COMPONENT LOCA TIONS For Model Product Code LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA...
  • Page 16 COMPONENT ACCESS REMOVING THE BACK, CONTROL For Model Product Code REMOVING THE BACK, CONTROL LRG3091ST /00 FG4124ES.FSTELGA COVER AND KEY P AD ASSEMBL COVER AND KEY P AD ASSEMBL LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 7. Remove the 6 screws of PCB assembly and separate WARNING PCB assembly after unpluging the connectors.

  • Page 17: Removing The Back, Control Cover And Key Pad Assembly

    COMPONENT ACCESS For Model Product Code REMOVING THE BACK, CONTROL REMOVING THE BACK, CONTROL LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA COVER AND KEY P AD ASSEMBL COVER AND KEY P AD ASSEMBL LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA...

  • Page 18: Removing Power Control Board (Pcb) And The Spark Module (Ig Trans)

    COMPONENT ACCESS REMOVING POWER CONTROL BOARD (PCB) For Model Product Code REMOVING POWER CONTROL BOARD (PCB) LRG3091ST /00 FG4124ES.FSTELGA AND THE SP ARK MODULE (IG TRANS) AND THE SP ARK MODULE (IG TRANS) LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 4. There are 3 PCB's (power control board). When...

  • Page 19: Removing Power Control Board (Pcb)

    COMPONENT ACCESS For Model Product Code REMOVING POWER CONTROL REMOVING POWER CONTROL LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA BOARD (PCB) BOARD (PCB) LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA WARNING LRG3091SW /02 FG4124EW.FW2ELGA 4. There are 3 PCB's (power control board). When •...
  • Page 20 COMPONENT ACCESS REMOVING THE COOKT OP PLA For Model Product Code REMOVING THE COOKT OP PLA LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 5. Life top up at front. WARNING • DISCONNECT power supply cord from the outlet before servicing.

  • Page 21: Removing The Cooktop Plate

    COMPONENT ACCESS For Model Product Code REMOVING THE COOKT OP PLA REMOVING THE COOKT OP PLA LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA AND THE SP ARK MODULE AND THE SP ARK MODULE LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA...
  • Page 22 1. Turn off the electrical supply and gas supply going to the range. 5-1. Remove 2 phillips head screws (LRG3091ST /01, LRG3091SB /01, 2. Remove the cooktop plate (See “REMOVING LRG3091SW /01 LRG3091ST /02, THE COOKTOP PLATE” on page 3-7).

  • Page 23: Removing The Cooktop Parts

    COMPONENT ACCESS REMOVING THE COOKT OP P For Model Product Code REMOVING THE COOKT OP P LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 3. To remove the valve: WARNING a) Remove the manifold panel (See the step 3 on page 3-9).
  • Page 24 COMPONENT ACCESS 4. To remove the ignition switch: a) Remove the manifold panel (See the step 3 on page 3-9). b) Pry on the 2 release tabs and slide the switch off the valve stem. c) Remove the connector and remove the ignition switch.
  • Page 25 COMPONENT ACCESS For Model Product Code REMOVING THE COOKT OP P REMOVING THE COOKT OP P LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA LRG3091SW /02 FG4124EW.FW2ELGA WARNING 3. To remove the valve: •...
  • Page 26 COMPONENT ACCESS 4. To remove the ignition switch: a) Remove the manifold panel (See the step 3 on page 3-9). b) Pry on the 2 release tabs and slide the switch off the valve stem. c) Remove the 2 connectors and remove the ignition switch.
  • Page 27 COMPONENT ACCESS REMOVING THE DOOR LA TCH & DOOR SWITCH REMOVING THE DOOR LA TCH & DOOR SWITCH b) Remove the 2 screws and then remove the WARNING bar from the door latch. c) Remove the door latch. • DISCONNECT power supply cord from the outlet before servicing.

  • Page 28: Removing The Broil Burner Assembly

    COMPONENT ACCESS REMOVING THE BROIL BURNER ASSEMBL REMOVING THE BROIL BURNER ASSEMBL d) Remove the igniter connecter in the cavity WARNING (To get the connecter, pull the wire toward the cavity). • DISCONNECT power supply cord e) Remove the broil burner assembly. from the outlet before servicing.
  • Page 29 COMPONENT ACCESS OVEN BOTT OM, THE FRAME GUIDE For Model Product Code OVEN BOTT OM, THE FRAME GUIDE LRG3091ST /00 FG4124ES.FSTELGA AND THE BURNER ASSEMBL AND THE BURNER ASSEMBL LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 1. Turn off the electrical supply and gas supply 6.
  • Page 30 COMPONENT ACCESS For Model Product Code OVEN BOTT OM, THE FRAME GUIDE OVEN BOTT OM, THE FRAME GUIDE LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA AND THE BURNER ASSEMBL AND THE BURNER ASSEMBL LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA...

  • Page 31: Removing The Oven Light & Socket Assembly

    COMPONENT ACCESS REMOVING THE OVEN LIGHT & SOCKET ASSEMBL REMOVING THE OVEN LIGHT & SOCKET ASSEMBL WARNING CAUTION • DISCONNECT power supply cord • Be careful not to scratch or chip the from the outlet before servicing. oven liner paint when you remove •...

  • Page 32: Removing The Latch Drive Assembly

    COMPONENT ACCESS REMOVING THE LA TCH DRIVE ASSEMBL REMOVING THE LA TCH DRIVE ASSEMBL DOOR LOCKING MECHANISM WARNING The door lock assembly is located at the back side • DISCONNECT power supply cord of range. from the outlet before servicing. The structural elements are as below.

  • Page 33: Removing The Oven Temperature Sensor

    COMPONENT ACCESS REMOVING THE OVEN TEMPERA TURE SENSORS REMOVING THE OVEN TEMPERA TURE SENSORS WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.
  • Page 34 COMPONENT ACCESS REMOVIING & REPLACING THE W ARMIING DRA REMOVIING & REPLACING THE W ARMIING DRA To Replace the Storage Drawer: WARNING 1. Place the drawer rails on the guides. • DISCONNECT power supply cord 2. Push the drawer back until it stops. from the outlet before servicing.

  • Page 35: Removing & Replacing The Lift-Off Oven Door

    COMPONENT ACCESS REMOVING & REPLACING THE LIFT -OFF OVEN DOOR REMOVING & REPLACING THE LIFT -OFF OVEN DOOR To replace the door: CAUTION 1. Firmly grasp • Be careful when removing and both sides of the lifting the door. door at the top. •...

  • Page 36: Removing The Oven Door Handle & Glass

    COMPONENT ACCESS REMOVING THE OVEN DOOR HANDLE & GLASS REMOVING THE OVEN DOOR HANDLE & GLASS 6. To remove the door handle & trim WARNING a) Remove the 4 door handle screws and lift the door handle off door trim and slide up the door trim. •...
  • Page 37 COMPONENT ACCESS 8. To remove a hinge hanger assembly: d) Lift the inner oven door glass and bracket a) Remove the 2 top liner screws assembly out of the door liner. (See step 3 on page 3-23) b) Place the door liner assembly on a padded work surface with the hinge hangers over the edge.

  • Page 38: Removing The Oven Door Gasket

    COMPONENT ACCESS REMOVING THE OVEN DOOR GASKET REMOVING THE OVEN DOOR GASKET 3. Pull the ends of the gasket out of the liner holes. WARNING Liner Hole • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating.

  • Page 39: Removing A Side Panel

    COMPONENT ACCESS REMOVING A SIDE P ANEL REMOVING A SIDE P ANEL 7. Remove the 6 screws from the left or right side WARNING panel. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating.
  • Page 40 COMPONENT ACCESS REMOVE THE OVEN V VE (SAFETY For Model Product Code REMOVE THE OVEN V VE (SAFETY LRG3091ST /00 FG4124ES.FSTELGA VE) & GAS REGULA VE) & GAS REGULA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA c) Remove the 4 connectors.
  • Page 41 COMPONENT ACCESS REMOVE THE OVEN V VE (SAFETY For Model Product Code REMOVE THE OVEN V VE (SAFETY LRG3091ST /01 FG4124ES.FS1ELGA VE) & GAS REGULA VE) & GAS REGULA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA...

  • Page 42: Component Test

    COMPONENT TEST Before testing any of components, perform the following checks: NOTE: 1. The most common cause for control failure is corrosion on connectors. Therefore, disconnecting and reconnecting wires will be necessary throughout test procedures 2. ALL units in the first few days of use should be checked for mis-wiring or loose connections 1.

  • Page 43: Micro Switch (Normally Open Type)

    Components Test procedures Results Door latch Door latch Micro Switch 1. Refer to page 3-19 for the servicing procedure open Locked (normally open type) 2. Measure the resistance (Multiple meter scale: R x 1000) Continuity Infinite NOTE: After checking for the continuity of switch, make sure that they are connected correctly Oven Sensor 1.

  • Page 44: Oven Lamp

    Components Test procedures Results Normal: Approximately Oven lamp 1. Measure the resistance after cooling down 5 Ω ± 10% (Multiple meter scale: R x1) If not replace Normal: 45 Ω ~ 100 Ω Broil or bake igniter 1. Refer to page 3-15 ~ 3-17 for servicing procedure. (Room Temperature 2.

  • Page 45: Conversion To Lp Gas

    CONVERSION TO LP GAS For Model Product Code LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 2. CONVERT THE PRESSURE REGULATOR WARNING WARNING • Turn off the electrical supply and gas supply going to the range. • Do not remove the pressure •...
  • Page 46 CONVERSION TO LP GAS For Model Product Code LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA 1) Remove grates, burner caps and burner WARNING heads. 2) Remove the brass orifice spud in the chimney • Turn off the electrical supply and of each burner using a 5/16"...
  • Page 47 CONVERSION TO LP GAS For Model Product Code LRG3091ST /00 FG4124ES.FSTELGA LRG3091SB /00 FG4124EB.FBKELGA LRG3091SW /00 FG4124EW.FWHELGA Orifice Locations for LP Gas WARNING • Turn off the electrical supply and gas supply going to the range. • Replace all panels and parts before operating.
  • Page 48 CONVERSION TO LP GAS For Model Product Code LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA LRG3091SW /02 FG4124EW.FW2ELGA WARNING 2. CONVERT THE PRESSURE REGULATOR • Turn off the electrical supply and WARNING gas supply going to the range.
  • Page 49 CONVERSION TO LP GAS For Model Product Code LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA LRG3091SW /02 FG4124EW.FW2ELGA WARNING 1) Remove grates, burner caps and burner • Turn off the electrical supply and heads.
  • Page 50 CONVERSION TO LP GAS For Model Product Code LRG3091ST /01 FG4124ES.FS1ELGA LRG3091SB /01 FG4124EB.FB1ELGA LRG3091SW /01 FG4124EW.FW1ELGA LRG3091ST /02 FG4124ES.FS2ELGA LRG3091SB /02 FG4124EB.FB2ELGA WARNING LRG3091SW /02 FG4124EW.FW2ELGA Orifice Locations for LP Gas • Turn off the electrical supply and gas supply going to the range.
  • Page 51 CONVERSION TO LP GAS 3) Remove the orifice spud from nozzle holder WARNING using a 13/32” or 10mm wrench. 4) Install the LP orifce spud(C) to the nozzle • Turn off the electrical supply and holder. To prevent leakage, make sure the gas supply going to the range.
  • Page 52 CONVERSION TO LP GAS 4) Insert a small, flat bladed screwdriver into the WARNING valve shaft as shown in Fig. 1. Turn the adjustment screw until the flame • Turn off the electrical supply and reaches the desired size. gas supply going to the range. 5) Replace the knob.

  • Page 53: Composition Of Control

    COMPOSITION OF CONTROL For Model Product Code LRG3091ST/00 FG4124ES.FSTELGA LRG3091SB/00 FG4124EB.FBKELGA LRG3091SW/00 FG4124EW.FWHELGA LRG3091ST/01 FG4124ES.FS1ELGA LRG3091SB/01 FG4124EB.FB1ELGA LRG3091SW/01 FG4124EW.FW1ELGA Main PCB ( Loc No.: 2006) Front Back Power PCB (Loc No.: 2029) Controller assembly...

  • Page 54: Main Pcb

    COMPOSITION OF CONTROL For Model Product Code LRG3091ST/00 FG4124ES.FSTELGA LRG3091SB/00 FG4124EB.FBKELGA LRG3091SW/00 FG4124EW.FWHELGA LRG3091ST/01 FG4124ES.FS1ELGA LRG3091SB/01 FG4124EB.FB1ELGA Main PCB Main PCB LRG3091SW/01 FG4124EW.FW1ELGA CN12 CN11 CN09 Power PCB Power PCB CN13 CN14 CN03 CN04 CN02...
  • Page 55 COMPOSITION OF CONTROL For Model Product Code LRG3091ST/02 FG4124ES.FS2ELGA LRG3091SB/02 FG4124EB.FB2ELGA LRG3091SW/02 FG4124EW.FW2ELGA LRG3091ST/03 FG4124ES.FS3ELGA LRG3091SB/03 FG4124EB.FB3ELGA LRG3091SW/03 FG4124EW.FW3ELGA Main PCB ( Loc No.: 2006) Front Back Power PCB (Loc No.: 2029) Controller assembly...
  • Page 56 COMPOSITION OF CONTROL For Model Product Code LRG3091ST/02 FG4124ES.FS2ELGA LRG3091SB/02 FG4124EB.FB2ELGA LRG3091SW/02 FG4124EW.FW2ELGA LRG3091ST/03 FG4124ES.FS3ELGA LRG3091SB/03 FG4124EB.FB3ELGA Main PCB Main PCB LRG3091SW/03 FG4124EW.FW3ELGA CN12 CN11 CN09 Power PCB Power PCB CN14 CN03 CN13 CN04 CN02...

  • Page 57: Diagnosis Through Schematic

    DIAGNOSIS THROUGH SCHEMATIC For Model Product Code LRG3091ST/00 FG4124ES.FSTELGA LRG3091SB/00 FG4124EB.FBKELGA LRG3091SW/00 FG4124EW.FWHELGA LRG3091ST/01 FG4124ES.FS1ELGA LRG3091SB/01 FG4124EB.FB1ELGA LRG3091SW/01 FG4124EW.FW1ELGA Symptom : Sensor error or Symptom : no heating (F-1, F-2, F-11) Door lock fail (F-10) ➃ ➀ -. Check : Sensor resistance -.
  • Page 58 DIAGNOSIS THROUGH SCHEMATIC For Model Product Code LRG3091ST/02 FG4124ES.FS2ELGA LRG3091SB/02 FG4124EB.FB2ELGA LRG3091SW/02 FG4124EW.FW2ELGA LRG3091ST/03 FG4124ES.FS3ELGA LRG3091SB/03 FG4124EB.FB3ELGA LRG3091SW/03 FG4124EW.FW3ELGA Symptom : Symptom : Sensor error or Door lock fail (F-10) no heating (F-1, F-2, F-11) ➃ ➀ -. Check : related part( -.

  • Page 59: Check The Failure Code (F-Code)

    CHECK THE FAILURE CODE (F-code) ■ When the oven has some failure on cooking, -. Cancel the cook. -. In case of failure, F-code will not display. -. It memorizes F-code logs in EEPROM. ■ Check the failure code as below steps. 1.

  • Page 60: Failure Code Summary

    FAILURE CODE SUMMARY Code Description How to detect Check point Opened Sensor Oven sensor(thermistor ) remains open 1. Wiring for over 1 min during cooking. 2. Oven Sensor Shorted Sensor Oven sensor (thermistor ) is short for over 1. Wiring 1 min during cooking.

  • Page 61: Checking Flow Chart By Failure

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Power Failure 1. Check Electric Wiring (Dead) 2. Check the Power PCB and Main PCB Voltage 2. No Display 10-1...

  • Page 62: No Display (No Power)

    CHECKING FLOW CHART BY FAILURE No display (No power) Blank display Enter key input Some beep Oven display sounds? blanks? Check AC input voltage of Power PCB - Power PCB CN02 (pin 5 and 7) 5 Pin CN02 CN02 CN02 CN02 CN02 CN02...
  • Page 63 CHECKING FLOW CHART BY FAILURE No display (No power) Check the LVT coil resistance PIN No. of CN02 Resistance PIN5 ~ PIN7 approximately 138 (Ω) Normal? Replace the power PCB Power On Check the voltage of Power PCB - CN13(pin 1 and pin 3, pin1 and pin 4) 4 Pin 1 Pin PIN No.
  • Page 64 CHECKING FLOW CHART BY FAILURE No display (No power) Normal? Replace the main PCB Replace the power PCB 10-4...

  • Page 65: No Heating (Including F11 Error)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. No heating 1. Check Electric Wiring 2. F11 2. Check Heater’s Resistance. 3. Check the Sensor (thermistor). MAIN PCB POWER PCB 10-5...
  • Page 66 CHECKING FLOW CHART BY FAILURE Oven does not heat No Heating Disconnect the power Check the looseness of bake, broil heater connection Broil globar ignitor Bake globar ignitor Gas Valve 10-6...
  • Page 67 CHECKING FLOW CHART BY FAILURE Oven does not heat Normal? Reconnect. In case of defective harness, Check the resistance of each ignitor replace or fix (measure the resistance after cooling down) Normal:approximately 45Ω~400Ω Broil ignitor Baker ignitor Normal? Replace the failed ignitor Check the resistance of Gas valve Normal:approximately 1~1.5Ω...
  • Page 68 CHECKING FLOW CHART BY FAILURE Oven does not heat Normal? Replace the Failed Valve Check the oven sensor (measure the resistance after cooling down) Normal: approximately 1.06 kΩ at 65F ~ 1.12 kΩ at 85F. Normal? Replace the oven sensor Replace the power PCB Normal? Replace the main PCB...

  • Page 69: Door Lock System Failure (Including F10 Error)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Door Lock System 1. Check the Electric wiring Failure 2. Check the Motor’s Resistance 2. F-10 MAIN PCB POWER PCB 10-9...
  • Page 70 CHECKING FLOW CHART BY FAILURE Door lock system error F-10 error Door lock failed Disconnect the power Check the terminal looseness of micro switch and door locking motor Normal? Reconnect Check the oven door lock switch(micro switch) (measure the resistance → Normally open type) Door latch Door latch open...
  • Page 71 CHECKING FLOW CHART BY FAILURE Door lock system error F-10 error Normal? Replace the micro switch Check the door locking motor (measure the resistance) normal: approximately 2.6 kΩ abnormal: infinite or below 5 Ω Normal? Replace the door locking motor Check the looseness of CN03 Normal? Reconnect...
  • Page 72 CHECKING FLOW CHART BY FAILURE Door lock system error F-10 error Check the loose connection Normal? Reconnect Replace the main PCB Normal? Replace the Power PCB 10-12...

  • Page 73: Sensing Fail (Including F1, F2 Error)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Sensing Fail 1. Check the electric wiring 2. F-1 2. Check the test Mode 3. F-2 3. Check the sensor(thermistor) resistance (approximately 1.06 kΩ at 65F ~ 1.12 kΩ at 85F.) MAIN PCB POWER PCB 10-13...
  • Page 74 CHECKING FLOW CHART BY FAILURE Main oven sensing error F-1, F-2 error Main oven sensing failed Disconnect the power Check the looseness of oven sensor connector Normal? Reconnect Disconnect the main oven sensor and check the main oven sensor value (measure the resistance after cooling down) Normal:approximately 1.06 kΩ...
  • Page 75 CHECKING FLOW CHART BY FAILURE Main oven sensing error F-1, F-2 error Check the looseness of connector (Power PCB CN04) and look for harness terminal damage Reconnect and replace Normal? the bad harness Connect the power Check the value of thermistor by using the test mode ※...
  • Page 76 CHECKING FLOW CHART BY FAILURE Main oven sensing error F-1, F-2 error TIMER DELAY TIMED BAKE BROIL WARM CLEAN LOCKED STEP 2 TIMER sensor value DELAY TIMED BAKE BROIL WARM CLEAN LOCKED STEP 3 Check the sensor value at step 3 Normal: the sensor value is from 65°F to 95°F at room temp Normal? Replace the Power PCB...

  • Page 77: Oven Hot (Including F6 Error)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Oven hot 1. Check the Resistance of the Relay. 2. F-6 10-17...
  • Page 78 CHECKING FLOW CHART BY FAILURE Oven too hot error F-6 error Oven is hot (F6) Disconnect the power and main oven sensor. Check the main oven sensor value (measure the resistance after cooling down) Normal: approximately 1.06 kΩ at 65F ~ 1.12 kΩ...
  • Page 79 CHECKING FLOW CHART BY FAILURE Oven too hot error F-6 error Normal? Replace the power PCB Check the broil relay damage (measure the resistance) Welded Normal Continuity Infinite Normal? Replace the power PCB Replace the main PCB 10-19...
  • Page 80 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Keypad Failure 1. Check the Oven lock operation. 2. F-3 Error 2. Check the mechanical malfunction of key 10-20...
  • Page 81 CHECKING FLOW CHART BY FAILURE No key input Key does not input Check the oven lock operation. Nomal: unlock Normal? Cancel the Door locking (press the start key for three seconds) Normal? Check the control panel and Find the mechanical malfunction of key Normal? Replace the control panel Replace the main PCB...

  • Page 82: Oven Lamp Does Not Operate

    CHECKING FLOW CHART BY FAILURE Oven lamp does not operate Oven lamp does not operate Disconnect the power Check the looseness of oven lamp terminal and harness Normal? Reconnect In case of the defective harness, Check the looseness of connector replace or fix (Power PCB CN02) Reconnect...
  • Page 83 CHECKING FLOW CHART BY FAILURE Oven lamp does not operate Check the oven lamp (measure the resistance) Normal:approximately 20~40Ω, Abnormal : infinite Abnormal Infinite Normal? Replace the oven lamp Replace the power PCB Normal? Replace the main PCB 10-23...

  • Page 84: Trouble Shooting

    TROUBLE SHOOTING BEFORE CALLING FOR SERVICE BEFORE CALLING FOR SERVICE Before you call for service, review this list.It may save you time and expense. The list includes common occurrences that are not the result of defective workmanship or materials in this appliance. PROBLEMS POSSIBLE CAUSES SOLUTIONS...
  • Page 85 TROUBLE SHOOTING PROBLEMS POSSIBLE CAUSES SOLUTIONS Food does not bake or roast • Improper oven controls setting. • See the “USING THE OVEN” section in properly user’s guide. • Incorrect rack position. • See the “USING THE OVEN” section in user’s guide.
  • Page 86 TROUBLE SHOOTING PROBLEMS POSSIBLE CAUSES SOLUTIONS Oven will not selfclean • The oven temperature is too high • Allow the range to cool to room to set a self-clean operation. temperature and reset the controls. • Improper oven controls setting. •...
  • Page 87 TROUBLE SHOOTING PROBLEMS POSSIBLE CAUSES SOLUTIONS Oven racks are difficult to • The oven racks were cleaned in a • Apply a small amount of vegetable oil to a slide self-clean cycle. paper towel and wipe the edges of the oven racks with the paper towel.

  • Page 88: Exploded View

    #EV# EXPLODED VIEW INTRODUCTION (I) MODEL: Customer Model Product Code SVC Model CONTROLLER PARTS COOKTOP PARTS DOOR PARTS CAVITY PARTS DRAWER PARTS...
  • Page 89 #EV# DOOR PARTS (I) MODEL: Customer Model Product Code SVC Model 102U W243 W225 1000 1733 1020 1703 1018 W222 102S 1704 1703 1015 W101 1024 102S 1009 1733 W101 1023 102U 1704 1021 1455...
  • Page 90 #EV# CONTROLLER PARTS (II) MODEL: Customer Model Product Code SVC Model 2048 2075 2136 2006 2029 2382 3006 2381 2128 2137 2037 2137 2028 2036 2033 2501...
  • Page 91 #EV# COOKTOP PARTS (II) MODEL: Customer Model Product Code SVC Model 3945 3946 3976 3945 3971 3976 3977 3971 3973 3979 W294 3978 3974 3972 W294 3056 W295 3401 3986 3990 3402 3925 3991 3940 3992 3960 3993 3994 3961 3961 3995 3963...
  • Page 92 #EV# DRAWER PARTS (II) MODEL: Customer Model Product Code SVC Model 8388 8530 8527 8514 8526 8501 8507 8527 8530 8526 8540 8541 8602 8525 5505 8504 8025 8524 8525 8520 5505 W229 9381 8511 8502 8519 8502 8508 8708...
  • Page 93 #EV# CAVITY PARTS (II) MODEL: Customer Model Product Code SVC Model 3013 3013 5501 5063 5149 5510 5536 3006 5700 5010 5021 5517 W231 5511 5902 9384 W231 5463 5921 5502 3006 5912 5904 5941 5503 3006 W115 5900 8550 5944 W318 W401...

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