LG LSG4513BD Service Manual Download Page 59

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9-3

CHECKING FLOW CHART BY FAILURE

Check the connecting states

between CN02 of SMPS PCB
and CN03 of Main PCB.

Is it OK?

Yes

Replace the

Main PCB

Reconnect. If defective harness,
replace or fix.
If the same phenomenon occurs
even though after fixed connection,
you should replace the Main PCB

Summary of Contents for LSG4513BD

Page 1: ...ide in Gas Range SERVICE MANUAL MODEL LSG4513ST LSG4513BD CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL37118341 September 2015 Printed in Korea 삼 흥 정 판 Internal Use Only ...

Page 2: ...de of warming drawer The power supply of the appliance should be turned off when it is being repaired FORWARD LG Electronics assumes no responsibility for any repairs made on our products by anyone other than Authorized Service Technicians WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT all grounding devices Failure to d...

Page 3: ... CLEAN WARMIING DRAWER 2 6 COMPONENT ACCESS 3 1 3 22 COMPONENT LOCATIIONS 3 1 REMOVIING THE BACK COVER 3 2 REMOVIING THE OVEN RELAY PCB POWER PCB POWER RELAY 3 3 REMOVIING THE CONTROLLER 3 4 REMOVIING THE MAIIN PCB AND KEY PCB ASSEMBLY 3 5 REMOVIING THE COOKTOP PLATE 3 6 ASSMBLY THE COOLIING FAN 3 7 REMOVIING THE COOKTOP PARTS 3 8 3 9 REMOVIING THE DOOR LATCH DOOR SWIITCH 3 10 REMOVIING THE BROIIL...

Page 4: ... 1 Main PCB 6 3 Relay PCB 6 3 SMPS PCB 6 4 Encoder PCB 6 4 Touch PCB 6 5 NFC PCB 6 5 Buzzer PCB 6 5 SVC TEST MODE 7 1 7 3 TROUBLE SHOOTING 8 1 8 2 Check the Failure Code 8 1 Failure Code Summary 8 2 CHECKING FLOW CHART BY FAILURE 9 1 9 23 Power Failure Dead No Display 9 1 9 3 No heating F9 9 4 9 7 Door Lock System Failure F10 9 8 9 11 Sensing Fail F1 F2 9 12 9 14 Oven hot F6 9 15 9 18 Convection F...

Page 5: ...ing devices Failure to do so can result in severe personal injury death or electrical shock DO NOT touch burners grates or interior surfaces of oven Heating element may be hot even though they are off Interior surfaces of an oven become hot enough to cause burns During and after use do not touch or let clothing or other flammable materials contact burners grates or interior surfaces of oven until ...

Page 6: ... let clothing or other flammable materials contact burners grates or interior surfaces of oven until they have had sufficient time to cool Other surfaces of the appliance may become hot enough to cause burns among these surfaces are oven vent openings and surfaces near these openings oven doors and windows of oven doors WARNING DO NOT store items of interest to children in cabinets above a range o...

Page 7: ... at the OFF position and all grates are cool before attempting to remove them IMPOR IMPORT TANT SAFETY INSTRUCTIONS ANT SAFETY INSTRUCTIONS SELF CLEAN OVENS Do Not Clean Door Gasket The door gasket is essential for a good seal Care should be taken not to rub damage or move the gasket Do Not Use Oven Cleaners No commercial oven cleaner or oven liner protective coating of any kind should be used in ...

Page 8: ...ial Number label and Tech Sheet locations are shown below Model Serial Number Location MODEL SERIAL NUMBER LABEL MODEL SERIAL NUMBER LABEL AND TECH SHEET LOCA AND TECH SHEET LOCATIONS TIONS Tech Sheet Location On Low Rear Cover ...

Page 9: ...ht Proof Cook warm Door lock out Broiler pan Type Element Warming rack Oven Interior W x H x D Exterior Width Exterior Height Exterior Depth Net weight lbs kg Rating 30 Slide in STS Glass Touch Knob VFD Yes Yes Yes Setting 6 categories 1 Setting the Hour mode 2 Convection Auto Conversion On Off 3 Oven Temp Adjust 4 Preheat alarm light On Off 5 Beeper volume High Low Mute 6 Select Fahrenheit or Cel...

Page 10: ...ed to be turned Cooking Guide Refer to the Owner s manual for recommendations of times and temperatures Times rack position and temperatures may vary depending on conditions and food type For best results always check food at minimum time When roasting choose rack position based on size of food item GENERAL INFORMA GENERAL INFORMATION TION Rating Label Model numbers are recorded on the rating labe...

Page 11: ...t Burner B LEFT REAR CONTROL KNOB Use to control Left Rear Burner C OVAL CONTROL KNOB Use to control Oval Burner D RIGHT REAR CONTROL KNOB Use to control Right Rear Burner E RIGHT FRONT CONTROL KNOB Use to control Right Front Burner F OVEN MODE KNOB Turn the knob to select oven operating mode G GAS OVEN CONTROL Use to control Gas Oven ...

Page 12: ...the set time 5 Clock Lockout Press button to set the time of day Press and hold button for three seconds to lock the door and control panel 6 Timer On Off Press the button to set or cancel timer on oven 7 Oven Light Press the button to turn oven light on or off 8 Setting Press the button to select the warming drawer function 9 Press the plus button to increase cooking time or oven temperature Pres...

Page 13: ...y turn the oven light on NOTE The oven light cannot be turned on if the Self Clean function is active Minimum Maximum Default Settings All of the features listed have a minimum and a maximum time or temperature setting that can be entered into the control A beep sounds each time a control key is pressed Two short tones sound if the entry of the temperature or time is below the minimum or above the...

Page 14: ...temperature scale between Fahrenheit and Celsius Setting the Hour Mode The control is set to use a 12 hour clock To reset the clock to 24 hour mode follow the steps below 1 Set the oven mode knob to the Off position 2 Press and hold Start Time for three seconds or press Setting 3 Press plus or minus to set the desired hour mode on the clock 4 Press Start to accept the desired change Setting Convec...

Page 15: ...lay 3 Press plus or minus to select the desired volume 4 Press Start to accept the change Selecting Fahrenheit or Celsius Set the oven temperature display to show either Fahrenheit F or Celsius C units The oven defaults to Fahrenheit unless changed by the user 1 Set the oven mode knob to the Off position 2 Press and hold Start Time for three seconds or press Setting Then press Start Time or Settin...

Page 16: ... Set the oven temperature For this example press minus until 300 F appears in the display 3 Press Cook Time Timed flashes in the display Bake 0 00 and 300 F appear in the display 4 Set the baking time press plus until 30 00 appears in the display The baking time can be set for any amount of time between 1 minute and 11 hours and 59 minutes 5 Press Start The oven will continue to cook for the set a...

Page 17: ...range The components and their locations are shown below COMPONENT LOCA COMPONENT LOCATIONS TIONS Igniter bake Door switch Gas pressure regulator Oven light Igniter broil Spark module Bake burner Lock Motor and Micro Switch Oven sensor Broil burner Burner Body Pipe Oven valve Conv Heater Motor ...

Page 18: ...ining 12 screws REMOVING THE BACK COVER REMOVING THE BACK COVER 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 CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present an...

Page 19: ...tors 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 Power Relay CAUTION Be careful when you work on the electric range handling the sheet metal part Sharp edge may be present and you can cut yourself REMOVING THE OVEN R...

Page 20: ... range 6 Pull the controller from the range You can remove the controller after unplug the 8ea connectors of Main PCB and Cooktop 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 CAUTION Be careful when you work on the el...

Page 21: ...Key PCB assembly Remove the 2 screws of the Main PCB supporter REASSEMBLY NOTE When you reinstall the Key PCB Assembly make sure that the upper brackets of it are inserted into the correct guide then reinstall the lower bracket screw Encoder PCB NFC PCB Buzzer PCB Key PCB WARNING DISCONNECT power supply cord from the outlet before servicing Replace all panels and parts before operating RECONNECT a...

Page 22: ...the vent bracket REMOVING THE COOKT REMOVING THE COOKTOP PLA OP PLATE TE 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 6 Remove the 2 screw and lift top up at front NOTE Before lowering the top onto the front clips lin...

Page 23: ... and 4 front and the 2 under screws of the manifold 6 Remove 11EA hex Phillips head screws on the cook top And lift it 7 You can find cooling fan Please be assembled with a screws 2 EA the cooling fan SPARK MODULE screw 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 s...

Page 24: ...ng devices Failure to do so can result in severe personal injury death or electrical shock CAUTION The 2 lock tabs on each igniter switch are fragile Tab breakage can occur if excessive release pressure is applied Check that the gas seal gasket on the screw and the gas valve remain in place before installing the new gas valve Screw Seal Valve Screw Valve Seal Single Burner valve Screw Seal Valve S...

Page 25: ...on page 3 5 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 5 To remove the electrode spark plug a Remove the connector from the spark module b Stretch the electrode bracket c Remove the electrode from the burner housing ...

Page 26: ... 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 CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply and gas supply going to the range 2 Open the...

Page 27: ...g the Broil burner assembly 4 To remove the igniter a Perform step 1 3 on this page b Remove the 2 screws and then remove the igniter 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 electric shock Make sure the igniter connector is compl...

Page 28: ...FAN BLADE AND F AN BLADE AND FAN MOT AN MOTOR OR Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut Nut CAUTION Be careful not to bend the fan blade Doing so can result in vibration noise and poor performance of convection when operating Wire connection Wire connection Wire connection Wire connection Wire connection Wire connection W...

Page 29: ...ver Bulb Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips Socket Clips V...

Page 30: ... rod from unlocked position to locked position from locked Position to unlocked position 3 The cam activates the micro switch that causes the motor to stop 4 The locked status remains until the range temperature drops to approximately 500F after end of the self clean or lock out feature is reactivated The motor operates to unlock door at that time M switch Cam Latch rod 3 screws 3 screws 3 screws ...

Page 31: ...rk on the gas range handling the sheet metal part Sharp edge may be present and you can cut yourself 1 Turn off the electrical supply and gas supply going to the range 2 Open the oven door and remove the racks from the oven 3 To remove an oven temperature sensor disconnect the connector from the main harness and remove the mounting screw in oven cavity 2 screws 2 screws 2 screws 2 screws 2 screws ...

Page 32: ...e locks rotating them back toward the slots in the oven frame until they lock 5 Close the oven door Removing the Door 1 Fully open the door 2 Unlock the hinge locks rotating them as far toward the open door frame as they will go 3 Firmly grasp both sides of the door at the top 4 Close the door to the removal position approximately five degrees which is halfway between the broil stop position and f...

Page 33: ...wer 1 Pull the bearing glides to the front of the chassis glide 2 Align the glide on each side of the drawer with the glide slots on the range 3 Push the drawer into the range until levers click approximately 2 inch 4 Pull the drawer open again to seat bearing glides into position 5 Replace the two screws COMPONENT ACCESS REMOVING REPLACING THE LIT REMOVING REPLACING THE LIT OFF OVEN DOOR OFF OVEN...

Page 34: ...To remove the door handle air guide a Remove 2 screws from air guide and then remove the air guide by lifting that b Remove 2 screws from handle and then remove the door bracket and door handle 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 deat...

Page 35: ...t lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Oven Door Glass Bracket lnner Ov...

Page 36: ...et clip Gasket clip Gasket clip Gasket clip Gasket clip Gasket clip Liner Hole 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 CAUTION Be careful when you work on the gas range handling the sheet metal part Sharp edge ma...

Page 37: ...l so you can access the back of the unit 4 Remove the rear panel see page 3 2 5 Raise the cooktop plate see the page 3 4 for the procedure 6 Remove the screws from the left or right side panel 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...

Page 38: ...ttings 3 Fittings 3 Fittings 3 Fittings 3 Fittings 3 Fittings 3 Fittings 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 connectors 4 ...

Page 39: ...far enough 3 Resistance checks must be made with power cord unplugged from outlet and with wiring harness or connectors disconnected Before testing any of components perform the following checks WARNING Turn off the electrical supply and gas supply going to the range Replace all panels and parts before operating Reconnect all grounding devices after servicing Failure to do so can result in death o...

Page 40: ...e 2 Measure the resistance after cooling down Multiple meter scale R x 1000 Normal Approximately 1 09 kΩ 10 If not replace Components Test procedures Results NO COM Normal Approximately 2 6 kΩ 10 If not replace Abnormal Infinite open below 5Ω shorted Door latch open Door latch Locked Continuity Infinite NOTE After checking for the continuity of switch make sure that they are connected correctly NO...

Page 41: ...est procedures Results Door open Door closed Continuity Infinite 1 Measure the resistance after cooling down Multiple meter scale R x1 Normal Approximately 5 Ω 10 If not replace 1 Refer to page 3 9 3 10 for servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal 45 Ω 400 Ω Room Temperature Resistance If not replace 4 3 COMPONENT TEST ...

Page 42: ...edure 2 Measure the resistance after cooling down Multiple meter scale R x 1 Normal Approximately 1 3 Ω If not replace 1 Refer to page 3 6 3 7 for servicing procedure 2 Measure the resistance by rotating the cam of each switch slowly Multiple meter scale R x 1 approximately 40 80 other Continuity Upside Downside 40 80 Infinite ...

Page 43: ...h 5 16 or 8mm open end wrench 16 32 or 16mm open end wrench Phillips head screwdriver Flat bladed screwdriver blade width approximately 3 32 across Nut drivers 13 32 or 10mm 5 16 or 8mm WARNING This conversion must be done by a qualified technician or gas supplier in accordance with the manufacturer s instructions and all codes and requirements of the authority having jurisdiction Failure to follo...

Page 44: ...o remove Plastic Cap Cap Assembly NAT LP 1 Check the pressure regulator is located at the rear of the range 2 Unscrew the hex nut cap by using an adjustable wrench 3 Separate plastic cap and hex nut cap by turning the plastic cap to 90 4 Assemble plastic cap on the opposite side 5 Screw the hex nut cap back onto the regulator Do not over tighten 1 Remove vent trim rear cover and rear cover 2 Remov...

Page 45: ...y screwed into the gas supply tubes 5 For the right front burner the choke and self threading screw will be needed as shown in Fig 1 Insert the choke into the burner base then insert the set screw into the burner base and tighten securely Make sure the screw head is against the shoulder within choke notch so it does not have any rotational movement 6 Put the old orifice spuds into conversion kits ...

Page 46: ...1 Light all surface burners 2 Turn the knob on the burner being adjusted to LO 3 Remove knob 4 Insert a small flat bladed screwdriver into the valve shaft as shown in Fig 1 Turn the adjustment screw until the flame reaches the desired size 5 Replace the knob Note Hold the valve shaft with one hand while turning the screw for adjustment with the other 6 Test The Flame Stability Test 1 Turn the knob...

Page 47: ...COMPOSITION OF CONTROL 6 1 6 1 Wiring Diagram Relay PCB SMPS PCB Main system PCB ...

Page 48: ...TROL Front Back Main PCB P N EBR80595607 Relay PCB P N EBR80595408 SMPS PCB P N EBR80595701 Touch PCB P N EBR79627801 6 2 Composition of control Encoder PCB P N EBR80327001 NFC PCB P N EBR78789101 Buzzer PCB P N EBR76332902 ...

Page 49: ...COMPOSITION OF CONTROL P N EBR80595607 P N EBR80595408 6 3 Main PCB Main PCB CN42 CN03 CN50 CN51 CN01 CN31 CN20 CN53 CN22 Relay PCB Relay PCB CN53 CN51 CN51 ...

Page 50: ...6 4 COMPOSITION OF CONTROL P N EBR80595701 P N EBR80327001 SMPS PCB SMPS PCB CN01 CN02 Encoder PCB Encoder PCB CN41 ...

Page 51: ...6 5 COMPOSITION OF CONTROL P N EBR79627801 P N EBR78789101 P N EBR76332902 T Touch PCB ouch PCB NFC and Buzzer PCB NFC and Buzzer PCB ...

Page 52: ...e Off 2 Press the button in the following order _ _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t0 by press the button 5 Press the START button 6 Start the test by press the START button again Model Option Software version Only software version is displayed at the right digits ...

Page 53: ...u input the START button the relay operation sequence should be as seen below Relay Operation Sequence If want to quit this sequence turn the mode select encoder Conv Heater Broil DLB C Fan Low C Fan High B Fan High B Fan Low RY11 RY12 RY13 RY9 RY8 RY1 RY2 Active Load Icon SW Version ...

Page 54: ...relays and DLB relay are open Symptom Oven hot F6 Check All heater relays are open shorted Symptom Oven lamp not operating Check the Lamp coil s resistance Symptom Sensor error or no heating F1 F2 Check Sensor resistance Symptom Door lock fail F10 Check relative part Symptom Conv Fan open F7 Check All Conv fan relays ...

Page 55: ...ps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds If the oven has a malfunction the Oven will show the failure Code like FIG 1 If the oven does not have any failure the Oven will look like FIG 2 NOTE After checking the F Code move the Encoder to remove all codes FIG 1 FIG 2 Type of F Code Type of F Code T...

Page 56: ... cleaning During cook if convection fan does not operate while 1 minute cumulative time in the period of convection fan operation EXCEPT PROOF WARM and EASY CLEAN Starting temperature of 130 F or less and the oven door is closed the oven inside temperature does not go up more than 10 F compared with the starting temperature for 5minutes after the start of cooking If Door Lock fails while operating...

Page 57: ...E Symptom Check Point 1 Power Failure Dead 2 No Display 1 Check Electrical Wiring 2 Check the SMPS PCB Input Voltage with CN01 Main PCB CN03 CN02 SMPS PCB CN01 Thermostat WH RD Pin No 1 3 4 7 6 7 Vf 4 3V 33V 12V Voltage CN01 CN02 CN03 ...

Page 58: ...econnect If defective harness replace or fix 1 No Yes Check the connection of Power Cord Normal Reconnect If defective harness replace or fix 2 3 Check the AC input of SMPS PCB SMPS PCB CN01 Pin 1 and 3 120V AC No Yes Go to 7 On the next Page 4 No Yes Check the connection of L1 and N at Terminal block Normal Reconnect 5 No Yes Check the Thermostat Normal Short Abnormal Open Normal Replace the Ther...

Page 59: ... connecting states between CN02 of SMPS PCB and CN03 of Main PCB Is it OK No Yes Replace the Main PCB 7 Reconnect If defective harness replace or fix If the same phenomenon occurs even though after fixed connection you should replace the Main PCB ...

Page 60: ... D F L N RY12 RY11 Broil Safety valve Conv Heater Safety valve Conv Heater Igniter Broil Igniter RY13 C A Symptom Check Point 1 No heating 2 F9 1 Check Electrical Wiring 2 Check igniter s Resistance 3 Check the Sensor A B C D E F G H I J ...

Page 61: ...9 5 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 No heating 2 F9 1 Check Electrical Wiring 2 Check Igniter s Resistance 3 Check the Sensor CN31 ...

Page 62: ...f Relay PCB All taps 2 Electric wiring of electric element Yes Reconnect If defective harness Replace or fix 1 Broil Conv Heater Unplug the unit Check the resistance of each igniter Normal Measure the resistance after cooling down The resistance is shown below No Replace the failed heater 2 yes No Conv Heater Broil ...

Page 63: ...eplace Relay PCB you should replace the Main PCB Heater Resistance Ω Approximately Norton Igniter 45 400 SIC Igniter 50 500 Is the value of thermistor normal Refer below Check with the test mode To enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT...

Page 64: ...9 8 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F10 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay CN31 ...

Page 65: ...9 9 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Door Lock System Failure 2 F10 1 Check the Electrical wiring 2 Check the Motor s Resistance 3 Check the Relay PCB Door Lock Relay ...

Page 66: ...he following 1 Electric wiring of relay in Relay PCB 2 Electric wiring of Locking Motor and Micro Switch 3 Electric wiring of CN31 of Main PCB Yes Reconnect If defective harness replace or fix 2 Unplug the unit No No Note Just after self clean start the door lock motor starts to rotate During this time if the door lock switch does NOT operate properly after rotating twice then supervising circuit ...

Page 67: ...he Main PCB Is the door lock switch micro switch normal measure the resistance of door lock switch normally open type No Replace the micro switch 3 Yes AbnormalNormal Abnormal Is the resistance of the lock motor normal measure the resistance of lock motor Normal approximately 2 6kΩ Abnormal infinite or below 5 Ω No Replace the lock motor 4 Yes ...

Page 68: ...9 12 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Sensing Fail 2 F1 3 F2 1 Check the Electrical Wiring 2 Check the Test Mode 3 Check the Sensor s Resistance CN31 ...

Page 69: ...ion 2 CN31 of Main PCB No Yes Unplug the unit Sensing Fail F1 F2 Yes Reconnect or adjust the connection 1 Is the resistance of thermistor normal Check Pins 4 and 5 of CN31 wiring in main PCB Normal approximately 1 09kΩ at 25 C Replace the defective Thermistor 2 CN31 Sensor connection CN31 No ...

Page 70: ...e test mode To enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t3 by press the button 5 Press the START button Normal Thermistor value at room temp is from 70 F to 90 F ...

Page 71: ...URE E D F L N RY12 RY11 Broil Safety valve Conv Heater Safety valve Conv Heater Igniter Broil Igniter RY13 C A Symptom Check Point 1 Oven hot 2 F6 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance A B C D E F G H I J ...

Page 72: ...9 16 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Oven hot 2 F6 1 Check the Resistance of the Relay 2 Check the Sensor s Resistance CN31 ...

Page 73: ...al approximately 1 09kΩ at 25 C No Replace the defective Thermistor 1 CN31 Unplug the unit Yes Yes Yes Yes Is the heater relay normal Measure the resistance of Heater relay and Live Normal infinite Abnormal shorted No Replace the Relay PCB 2 Broil igniter Relay Convection igniter Relay Tab 02 and Tab 22 RY12 Tab 02 and Tab 21 RY11 ...

Page 74: ...it No Is the value of thermistor normal Refer below Check with the test mode To enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t3 by press the button 5 Press the START button Normal Thermistor value a...

Page 75: ...9 19 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Convection Fan not working 2 F7 1 Check the Resistance of the Relay 2 Check the Motor s Resistance CN42 CN53 ...

Page 76: ...n below No Replace the Fan motor 1 Fan High Fan Low Unplug the unit Is the fan motor relay normal Measure the resistance of fan motor relay and Live Normal infinite Abnormal shorted No Replace the failed heater 2 yes Yes 5th and 7th pin of CN53 RY 8 3th pin and 7th pin of CN53 RY 9 Conv Fan High Conv Fan Low Fan motor Resistance Ω Approximately Fan High 25 10 Fan Low 30 10 ...

Page 77: ...ted or loose Check all connectors and harnesses that are associated with the convection fan No Replace the Main PCB 3 Reconnect If defective harness replace or fix If the same phenomenon occurs even though after fixed connection you should replace the Main PCB Yes ...

Page 78: ...9 22 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1 Key not working 2 F3 Error 1 Check the Door Locking System 2 Check the Electrical Wiring CN53 ...

Page 79: ...And then check button operation using key test mode o enter the test mode follow these steps 1 Press the any button and encoder is placed in the Off 2 Press the button in the following order _ Oven light Oven Light hold for 3 seconds 3 Press the OVEN LIGHT button again hold for 3seconds 4 Select the t7 by press the button 5 Press the START and Check the button Refer to the next page appendix 2 3 P...

Page 80: ... the normal operation will be the number that corresponds to the Key displayed on the VFD 2 If the key access order was changed the buzzer make double beep sound 3 The buzzer does NOT beep when a key was accessed it would be defected How to stop Key Test mode Press 1st Cook time 2nd 8th START Key operation T Key operation Test sequence est sequence 1st 8th ...

Page 81: ...EXPLODED VIEW EV INTRODUCTION DOOR PARTS DRAWER PARTS COOKTOP PARTS CONTROLLER PARTS CAVITY PARTS 9504 W229 9506 8511 MODEL Customer Model Product Code SVC Model ...

Page 82: ...DOOR PARTS 1704 1735 1009 1382 1035 1015 1703 1020 1008 102U W243 W222 W222 1000 102S 102L 173U NSP NSP W101 1018 EV ...

Page 83: ...2053 2002 303R 2050 260E 303L 5206 2385 2001 5016 244C 244A 244A 260B 260K 260M 2051 2221 2042 2043 2044 2046 2006 2047 2045 2037 2090 555C 555C CONTROL PARTS EV ...

Page 84: ...5540 7384 3976 G058 3979 3974 3056 3991 3993 3992 3990 3994 3995 3006 3977 2058 3973 3978 3972 3946 2041 3940 3945 W294 W294 G035 3950 3951 3952 3953 3985 G039 3985 G039 3985 3985 3950 3985 381A G045 3935 521L 521R W323 W323 ...

Page 85: ...DRAWER PARTS 8523 8507 8501 8514 8517 8524 8602 8520 8512 5505 5505 8708 8708 8504 6008 8508 8513 1009 W230 EV ...

Page 86: ...4 5955 5462 3057 5510 5019 5556 5951 5931 5942 5981 5408 5405 W102 5039 591L 3954 5332 5903 5502 5905 5504 546R 5063 5504 546L 5545 5536 5932 W124 594U W124 W233 W115 W115 5407 W232 5921 5802 5532 5021 5463 W291 W230 5516 591U W291 W115 5406 5944 590U 4002 5535 5512 W230 3057 5510 3947 W102 9384 5066 5124 507S 507R 5611 593N W291 ...

Page 87: ......

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