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1. Gl E Re Hr Glass trim screws UM b Lift the door handle off door trim 4 Remove the three bottom screws from the door liner 3 bottom liner screws 5 Lift the liner assembly off the front glass and set it aside c Slide up the door trim and pull the glass trim forward 3 14 COMPONENT ACCESS 7 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 14 b Place the door liner assembly on a padded work surface with the hinge hangers over the edge c Remove the two bottom screws d Lift the hinge hanger out of the door liner slot Inner Oven Door Glass 8 Bracket REASSEMBLY NOTE When you reinstall the insulation around the oven door glass make sure that the insulation is not visible in the glass after the door is reassembled 8 To remove the oven door glass assembly a Remove both hinge hangers see step 8 b Remove the 6 screws Lift the insulation cover off the door liner 3 15 COMPONENT ACCESS REMOVING THE OVEN DOOR GASKET 3 Pull the ends of the gasket out of the liner holes 44 WARNING Liner Hole ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock CAUTION When you work on the electric range be careful REASSEM
2. Just after self clean start the door lock motor starts to rotate During that time if the door lock switch does not operate properly after rotating twice then supervising circuit detects a Door Lock failure and the F 2 error code appears Door lock failed Disconnect power Check for loose connection on the micro switch and the door locking motor Check the oven door lock switch micro switch measure the resistance Normally open type END Continuity Infinite Continued on the next page 7 2 F CODE FLOW CHART Replace the micro switch Check the door locking motor measure the resistance normal approximately 2 6kQ abnormal infinite or below 5 Q Replace the door locking motor Check for loose connector Front main Front c END Yes Reconnect Remove the main PCB 009A harness END and pull the PCB 009A forward from the PCB case 7 3 F CODE FLOW CHART Inspect connector pin solder of CN4 Back main PCB Back If pin solder is cracked repair and re use Yes END END 7 4 F CODE FLOW CHART Main oven sensing error F 3 F 4 error Opened Sensor Oven Thermistor remains open for over During cook 1 min after cook starts Shorted Sensor Oven Thermistor is short for over 1 min During cook after cook starts Main oven sensing failed Check for loose oven sensor connector Reconnect Check the main oven
3. Convection NS a element a e y YE ae d aa sa Hidden bake element Cooking Guide Refer to the owners 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 USING YOUR RANGE CONTROL PANEL FEATURES A single C A single Left Rear element Warming zone Right Rear element CONV CONV BAKE ROAST AUTO CONVERSION BAKE BROIL COOK amp WARM PROOF FAVORITES OPTIONS 10 11 1213 141516 z z z z single Dual Left Front element Right Front Dual element 1 BAKE PAD Press to select the bake function 12 COOK amp WARM PAD Press to keep cooked 2 BROIL PAD Press to select the broil function foods warm See page 2 4 for pad operation 3 CONVECTION BAKE PAD Press to select baking 13 FAVORITES PAD Press to set favorite cooking with the convection function 14 OPTIONS PAD Press to set 6 types of option 4 CONVECTION ROAST PAD Press to select category roasting with the convection function 15 PROOF PAD Press to select a warm environment 5 NUMBER PADS Use to set any function requiring useful for rising yeast leavened products numbers such as the time of day on the clock the 16 SELF CLEAN PAD Press to select self
4. Enter key input No Check the thermal fuse See the page 3 1 Some beep sound Yes Oven display No Check AC input voltage of Main PCB O blank Main PCB CN2 pin 1 and 3 Go to page 6 4 Replace the main PCB 009A FAILURE MODE FLOW CHART No display No power 1 Check the harness of between L1 N Yes OE No Replace the defective harness Check the power transformer Refer to the below Primary 53 S2 1 Fig Secondary Sido DOR LP black white 25 58 measure LVT coil resistance Normal approximately Fig 1 S3 red red 1 1 1 3 Replace the Main PCB 009A END 6 4 FAILURE MODE FLOW CHART Oven does not heat Code Error mode Operation Times sampling F 7 No heating If current oven temperature does not exceed 150 F and During cook less than start temperature over 5 minutes on preheating where door is closed except proof and cook amp warm No Heating Main Oven Disconnect power Check for loose connections at bake broil convection heater terminal and harness Heconnect If defective harness replace or fix Check the bake heater measure the resistance after cooling down Normal approximately 170 Continued on the next page 6 5 FAILURE MODE FLOW CHART Replace the bake heater Check the broil heater measure the resistance after cooling down Normal approximately 14Q Replace the broil heater Check the convection heater mea
5. Website http us lgservice com LG 30 Freestanding Electric Range MODEL LRE30755SW SB ST CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL December 2005 P NO 3828W5S6293 Printed in Korea FORWARD This LG Service Manual 30 Freestanding Self Cleaning Electric Range provides the technician with information on the operation and service of the Freestanding Self Cleaning Electric Range It is to be used as a training Service Manual For specific information on the model being serviced refer to the Owner s Manual or Tech Sheet provided with the electric range 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 f the power cord is defective it must be replaced by a qualified service agent with a UL listed range cord e Electrical leads and cables should not be allowed to touch the oven Rating plate is located on the left side of warming drawer The power supply of the appliance should be turned off when it is being repaired 4 WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock When the oven operates the interior parts will be very hot LG Electronices assumes no responsibility f
6. Measure Q value between sensor chassis and any connector pins Q value should read OPEN gt if there is any problem Replace oven sensor E If you couldn t find any problem Replace Control PCB Oven is too hot A Perform step 1 through 2 above B Open the back panel and Disconnect Bad oven sensor from harness Sensor Measure value between connector pins Bad approximately 1090 at room temperature control 77F 25 C PCB gt if there is any problem Replace oven sensor C Check the bake and broil relay refer to the strip circuit section STRIP CIRCUITS D If there is any problem Replace Control PCB A F CODE FLOW CHART Key short error F 1 error Ed Key shorted If a key pad is continuously short for z 60 seconds Key short error 1 Plugged out the power remove keypad tail and check F 1 error recur or not after plugging in the power Yes Disconnect power Remove the PCB 009A harness and pull the PCB 009A forward from the PCB case mE e Mur 29 Replace keypad assembly Inspect PCB connector CN11 pin to pin short Back Repairable by yourself Repair and fix No Replace the main PCB 009A 7 1 F CODE FLOW CHART Door lock system error F 2 error Code Error mode Operation Times sampling F 2 Door Lock Fail In case of Door Lock Failure
7. O 4 11 8
8. SEH 6 TEMPERATURE UNIT F or C 1 Press OPTIONS pad 6 times 10 FAVORITES 2 Press 1 pad for F FAVORITES or 2 pad for C Once Bread 3 Press START Twice Meat 3 times Chicken 6 BAKE TIMED BAKE DELAYED TIMED BAKE BAKE E START 11 COOK amp WARM COOK amp WARM START Desired time START 12 OVEN LOCKOUT START Desired START Press and hold the START pad for 3 seconds TIME 7 start time to activate or reactivate LOCKOUT 7 BROIL 13 CHANGING HOUR MODE ON CLOCK Hi 12HR 24HR BROIL once Hi START twice Low Press and hold the START pad for 3 seconds Press 1 pad for 12 hour ika 2 pad for 24 hour gt MAF 14 PROOF Once 8 hour PROOF gt START 15 SELF CLEAN gt START Twice 2 hour 3 times 4 hour SELF CLEAN START Desired TIME start time START 2 4 USING YOUR RANGE WARMING DRAWER The rack can be used in 2 ways n the upright position to allow low profile food items to be placed both under and on top of the rack for example rolls or biscuits on top of the rack and a casserole dish underneath the downward position to allow you to place light weight food items and empty cookware for example rolls or pastries and dinner plates on the rack Set the Warmin
9. This section instructs you on how to service each component inside the range The components and their locations are shown below COMPONENT LOCATIONS Main PCB Cook Top Display PCB o ac 9 Cook Top Relay PCB 250 T Door Locking Motor amp Micro Switch Surface Elements Door Latch Assembly Oven Light gt 4 Convection Motor Thermal Fuse gt 2 Oven Relay PCB JT am FON Warming Drawer _ ___j cerne s N Sensor Warming Drawer Heater 3 1 COMPONENT ACCESS REMOVING THE BACK CONTROL COVER AND KEY MEMBRANE ASSEMBLY WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock 4 CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear panel 3 Remove the 16 screws from the rear panel and remove the panel Control Cover 7 AA ee eer OS Back Cover 3 2 4 Remove the 3 screws from the rear control cover and remove the cover 5 Remove 6 screws of PCB assembly and separate PCB assembly 6 Remove 9 screws of KEY Membrane a
10. the oven vent is located above the left rear surface unit this area could become hot during oven use Never block this vent and never place plastic or heat sensitive items on vent e Placement of Oven Racks Always place oven racks in desired location while oven is cool If rack must be moved while oven is hot do not let potholder contact hot heating element in oven Do Not allow aluminum foil or meat probe to contact heating elements GLASS CERAMIC COOKING SURFACES Do Not Cook on Broken Cook Top If cook top should break cleaning solutions and spillovers may penetrate the broken cook top and create a risk of electric shock Contact a qualified technician immediately e Clean Cook Top With Caution wet sponge or cloth is used to wipe spills on a hot cooking area be careful to avoid steam burn Some cleaners can produce noxious fumes if applied to a hot surface DEEP FAT FRYERS Use extreme caution when moving the grease kettle or disposing of hot grease GENERAL MODEL amp SERIAL NUMBER LABEL AND TECH SHEET LOCATIONS The Model Serial Number label and Tech Sheet locations are shown below USTED nh HOT DEL Model 8 Serial gt A Number Location 120 20BV 8 7 KW AD ULE Dee CHANCWOR CIPY Ee Beien TI ROE Phoa FOR USE ON 120 240V OR 120 208V 120 240V 12 7 KW HOUSEHOLD ELECTRIC RANGE AC ONLY 3WIRE 1PHASE 60Hz E 512KM X Y 00002 MANUFACTURED December 2005 MOD
11. 7Kw 120 208V 1 4 USING YOUR RANGE GENERAL INFORMATION Rating Label Model numbers are recorded on the rating label Rating label is located on the lower front left corner of the oven frame It can be seen by opening the storage drawer or warming drawer Before ordering parts write down the correct model and serial number from rating label This avoids incorrect shipments and delays Please refer to parts reference material when ordering replacement parts Functional Operation Bake Mode Top and hidden bottom elements operate during bake Bake can be used to cook foods which are normally baked Oven must be preheated Broil element Hidden bake element Broil Mode Top element operates during broil Broil can be used to cook foods which are normally broiled Preheating is not required when using broil All foods should be turned at least once except fish which does not need to be turned p el Broil element Hidden bake element 2 1 Convection Bake Roast Mode Upper element lower element Rear element some model and fan operate during convection bake Convection bake should be used for cooking casseroles and roasting meats Oven should be preheated for best results when using convection bake Pans do not need to be staggered Cooks approximately 25 quicker than bake BP _ 42 Broil element
12. Control Board PCB Defective latch mechanism Defective bent door latch lever e Oven is still hot Cool down period after self clean cycle not complete Improper use of oven e g being used to heat the home e Worn or broken broil stop roller Replace household fuse but do not fuse capacity Refer to Owner s manual instructions Verity all connections are clean and tight replace broken wire Test and or replace BAKE element Replace power control board PCB Test door switch and check the point of contact between door and door switch Verity all connections are clean and tight replace broken wire Test and or replace BAKE element Replace power control board PCB Repair or replace wiring Test and or replace Oven Sensor Test and or replace PCB Replace door latch system Replace latch lever This is normal Wait until LOCK icon goes out e Use oven for baking only Replace oven door hinge TROUBLE SHOOTING PROBLEMS POSSIBLE CAUSES 8 FAULTS SOLUTIONS Oven door sagging on one Hinge loose or out of position to e Adjust hinges or replace hinges side oven liner Door does not close Broken or misadjusted door spring Adjust or replace hinges completely at top Door fits too tight at bottom e Adjust hinges outward Door glass breaks e Oven racks covered with foil Do not cover racks with foil Glass installed backward e Install tempere
13. P N 6871W1N012A PCB case assembly 5 1 COMPOSITION OF CONTROL 6871W1N009A I Main function Supply a DC power source GND 5V 12V Vry oven heater switching 30V Oven heater control DLB Broil Bake Warming drawer convection p Oven display control Warming drawer display control Cook top heater control Warmer zone RR LR RF LF Cook top display control Oven lamp door lock motor convection fan control Detecting oven temperature warming drawer temperature Buzzer sound control Key entry Door open close Door lock unlock detection Error mode detection and pop up Supervising hot cook top element vv 977177717 5 2 COMPOSITION OF CONTROL Cook top display PCB P N 6871W1N010A Main function Single radiant surface elements Right Rear Left Rear Left Front power level indication Dual radiant surface elements Right Front inner outer power level indication Dual radiant surface element size indication Right Front inner outer Single radiant surface elements warming zone Center Rear power level indication 5 3 A COMPOSITION OF CONTROL Cook top relay PCB P N 6871W1N011A Main function Supply a DC power source GND 12V Vry cooktop heater switching voltage Single Radiant Surface Elements Right Rear Left Rear Left Front on off power level relay switching Du
14. cleaning timer the oven temperature the start time and function See page 2 4 for pad operation length of operation for timed baking 17 OVEN LIGHT PAD Press to turn the oven light on 6 START PAD Must be pressed to start any cooking or off or cleaning function 18 DISPLAY 7 CLEAR OFF PAD Press to cancel all oven operations except the clock and timer A Single surface unit 8 CLOCK PAD Press before setting the time of day Right Rear Left Rear Left Front 9 TIMER ON OFF PAD Press to select the timer feature B Dual surface unit Right Front 10 COOK TIME PAD Press and then use the number pads to set the amount of time you want your food C Warming Zone Center Rear to cook The oven will shut off when the cooking time has run out D Warming Drawer 11 START TIME PAD Use along with BAKE CONV BAKE CONV ROAST COOK TIME and SELF CLEAN pads to set the oven to start and stop automatically at a time you set 2 2 USING YOUR RANGE A on a single surface unit Right Rear Left Rear Left Front Press ON OFF pad for the desired element Press pad to choose the desired setting Right Front Press ON OFF pad 2 Press the ELEMENT SIZE pad as needed to select the desired burner size When first selected 9 size is on The light above the ELEMENT SIZE pad indicates which size surface unit is on 2 Press 9 pad to choose the desired setting Note Each time a pad is pres
15. open the door If the door will not fully open the Firmly grasp both sides of the door at the top indentation is not seated correctly in the bottom edge of the slot Close door to the door removal position which is approximately 5 degrees refer to the Fig 2 Push the hinge locks up against the front frame of the oven cavity to the locked position Step 5 lt Fig 2 gt Lift door up and out until the hinge arm is clear of the slot Close the oven door 3 13 COMPONENT ACCESS REMOVING THE OVEN DOOR HANDLE amp GLASS 6 To remove the door handle amp trim for stainless model 4h WARNING a Remove the 4 door handle screws and lift the door ELECTRICAL SHOCK HAZARD handle off door trim and slide up the door handle Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock Handle screws 4 CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp 6 To remove the door handle trim amp glass edges may be present and you can cut yourself if for white Black model you are not careful a Remove the handle and glass trim screws B EB A 1 Remove the oven door from the range see 3 13 for the procedure 2 Place the oven door on a padded work surface with the front glass facing down 3 Remove the 4 top door screws SCTEWS
16. sensor measure the resistance after cooling down Normal approximately 1 09kQ END Replace the main oven sensor Continued on the next page 7 5 F CODE FLOW CHART Check for loose connector Front main PCB CN6 Yes s IT Check for loose connector main CN6 and look for harness terminals damaged or not Reconnect and replace the bad harness Yes Remove the main PCB 009A harness END and pull the PCB 009A forward from the PCB case Inspect connector pin solder of CN6 Back main PCB CN6 If pin solder is cracked repair and re use Yes END END 7 6 F CODE FLOW CHART Warming drawer sensing error F 5 F 6 error Shorted Sensor Warm Drawer Thermistor short Over 1 min after warm During operate drawer operates Opened Sensor Warm Drawer Thermistor open Over 1 min after warm During operate drawer operates Warming drawer sensing failed Disconnect power Check for loose warming drawer sensor connector Reconnect Check the warming drawer sensor measure the resistance after cooling down Normal approximately 4 6kQ END No Repl th ing d Yes Continued on the next page END 7 7 F CODE FLOW CHART Check for loose connector Front main PCB CN5 Yes Check for loose connector main PCB CN5 and look for harness terminals damaged or not Reconnect and replace the bad harness Remove the main PCB 009A harness and pull the 009 forw
17. so that you can access the rear of the unit 3 Remove the rear panel from the unit See step 3 on page 3 2 for procedure EN Hidden bake element 4 Remove the 2 screws of 3 power cord assembly box and 1 ground screw 5 Set the box aside 6 Cut the 9 points of flange and remove the bake heater cover 3 7 7 Bend the insulation glass fiber up 8 Remove two screws and bend up two flanges Flanges 9 Carefully pull the hidden bake element and its mounting bracket out of the range 1 Drive the two screws ACCESS REMOVING THE CONVECTION ELEMENT FAN BLADE AND FAN MOTOR 1 Disconnect power and remove oven racks 8 To remove Fan motor assembly disconnect 2 Pull the range out of its mounting location so that wire connection and remove the three bracket you can access the rear of the unit screws 3 Remove the rear panel from the unit 9 Pull the fan motor assembly forward See step 3 4 on page 3 2 for procedure 4 Disconnect the wire connection Convection Fan Fan motor heater blade Support Fan cover Washer 5 Remove the four Fan cover screws and set the fan cover aside SB 4 a Mounting Screws Sea Inner Outer 6 Remove the two convection element screws and pull the element forward 7 To remove Fan blade remove Nut by screwing clockwise Fan blade can be replaced from inside oven 4 CAUTION Be careful not to bend the f
18. BLY NOTE When you install the new when handling the sheet metal parts Sharp gasket make sure that all of the clips are seated in edges may be present and you can cut yourself if their liner holes and that the ends of the gasket are you are not careful pushed fully into their holes Use the pointed end of a pencil to push the gasket ends into the holes 1 Open the oven door to its fully down position 2 Pull the oven door gasket clips out of the liner holes until all of the clips are removed 3 16 COMPONENT ACCESS REMOVING A SIDE PANEL 7 Remove the two screws from the left or right side a WARNING panel ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock Ah CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 8 Pull the back of the side panel out from the range approximately 10 1 Turn off the electrical supply going to the range 2 Remove the oven door from the range see page 3 13 for the procedure 3 Pull the range away from the wall so you can access the back of the unit 4 Remove the 16 screws from the rear panel and remove the panel see step 3 4 on page 3 2 5 Raise the cooktop see page 3 4 for the procedure NOTE Position the side of the c
19. Back Control cover and Key membrane Assembly ppp 3 2 e Removeing the Control Power Supply and Power Control Board PCB pp 3 3 Removing the Surface Element and the Ceramic Glass Cooktop 3 4 e Removing the Door Latch and the Door a S REA a OENE 3 5 e Removing ne BROIL elements rience ees bdo wee teachin 3 6 e Removing THE BAKE element rae De a us uote ene gute cele eae eee ee ee ei 3 7 Removing the CONVECTION element Fan blade and Fan motor pp 3 8 e Removing the Oven light amp Socket assembly rake weet ak etn PEE ED rue nsec 3 9 e Removing the latch drive assembly A a a alan 3 10 Door locking oo ee A tree eer 3 10 e Removing the Oven temperature ELE eer Ee Ee 3 11 e Removing the Warming drawer element A temperature Sensor enn 3 12 e Removing amp Replacing the Liftoff Oven DOOR e ewe ENEE de e ope ehh inu odere x ee c uua 3 13 e Removing the Oven Door Handle 4 5 3 14 3 15 e Removing the Oven Door GASKET oc ira eee 3 16 e Removing Side Panels S LEER 3 17 COMPONENT EST 4 1 4 8 CONVECTION MOLO araea ENEN 4 1 e Door locking 4 2 e Micro Switch n
20. EL NO LRE30755SB LG Electronics Inc RIAL NO Tech Sheet Location On Low Rear Cover GENERAL SPECIFICATIONS Overall Width 30 Installation type Freestanding Color availability WH BK STS Control Oven Keypad Cooktop Keypad Display Scroll VFD Electronic clock amp timer Yes Control lock capability Yes Audible preheat signal Yes Special function Option 6 categories 1 Convection auto conversion On Off 2 Thermostat Adjustment 3 Language English or Spanish 4 Preheating alarm light On Off 5 Beeper Volume loud normal low mute 6 Temperature unit C Cooktop Material Ceramic glass of element 5 Power 6 1 200 6 1 200 warming zone 9 2 500 Dual 9 12 1 700 2 700 Oven Capacity cu ft 5 6 Broil element 4000 watts Bake element 3400 watts Convection System Yes Convection element Yes 800w 120v of Racks 3 2 standard 1 Split Interior oven light 120V 40Watts Proof Yes Cook amp warm Yes Favorites Yes 1 Bread 2 Meat 3 Chicken Door lockout Yes Broiler pan Yes Type Warming drawer unl Element 600 watts Warming rack Yes Dimensions Oven Interior W x H x D 24 1 2 x 20 1 4 x 19 9 8 inch Exterior Width 29 7 8 Exterior Height 36 cooktop 47 5 8 backguard top Exterior Depth 25 11 16 Door 28 with handle Net weight Lbs Kg 181 16 82kg Power Rating 12 7Kw 120 240V 9
21. F PCB EE 8 1 TROUBLE SHOO TNG 9 1 9 3 SCKHENATIC DIAGRAM 10 1 TRIP elei hg 10 2 10 6 EXPLODED VIEW Eat a EP T dE QUOS 11 1 11 8 GENERAL IMPORTANT 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 WARNING This symbol will help alert you to hazards or unsafe practices which could cause serious bodily harm or death Be sure your appliance is properly installed and grounded by a qualified technician Do not repair or replace any part of the appliance unless specifically recommended in the manual All other servicing should be referred to a qualified technician Always disconnect power to appliance before servicing by removing the fuse or switching off the circuit breaker 4 WARNING INJURIES CAN OCCUR IF THE RANGE TIPS INSTALL ANTI TIP DEVICE ud PACKED WITH RANGE i FOLLOW ALL INSTALLATION INSTRUCTIONS To reduce the risk of tipping of the range the range must be secured by properly installed anti tip devices To check if the bracket is installed properly Warming drawer grasp the top rear edge of the Range and carefully attempt to tilt it forward verify that the anti tip devices are engaged Storage drawer Remove dr
22. R HEATER SELF CLEANING DOOR MOTOR RY3 CONV FAN BK 10 3 For Model LRE30755SW SB ST CLOCK DISPLAY ON CR Warming Zone RY11 WARMING ZONE 10 4 For Model LRE30755SW SB ST RR Cook top Element LR Cook top Element LF Cook top Element RF Cook top Element EXPLODED VIEW INTRODUCTION 1 For Model LRE30755SW SB CONTROLLER PARTS DOOR PARTS CAVITY PARTS DRAWER PARTS INTRODUCTION II For Model LRE30755ST CONTROLLER PARTS COOKTOP PARTS U H lt e CAVITY PARTS DRAWER PARTS EV p w DOOR PARTS I For Model LRE30755SW SB 11 3 EV DOOR PARTS II For Model LRE30755ST CEJ 149801 22 220 EV CONTROLLER PARTS For Model LRE30755SW SB ST 24781 A NN NN ME a ZEE gt A E a SEE 11 5 EV COOKTOP PARTS For Model LRE30755SW SB ST N D L H EY ZJ c A S EV DRAWER PARTS For Model LRE30755SW SB ST EV CAVITY PARTS For Model LRE30755SW SB ST Y J SS 22 fy 9
23. To remove the warming drawer temperature sensor To Remove Warming Drawer 1 Unplug the cord or disconnect power 1 CAUTION Turn power OFF before removing 2 Pull the range away from the wall so that you can the Warming Drawer access the back cover 2 Open the drawer to the fully opened position 3 Remove the back cover 3 Remove the 2 screws right and left side refer 4 Remove the sensor cover screw and remove to below picture sensor cover 4 Locate glide lever on each side of drawer push down on the left olide lever and pull up on the right glide lever Push down with finger Push up with finger 5 Pull the warming drawer away from the range Rear bracket screws 6 Pull the sensor forward and unplug the connectors 3 12 COMPONENT ACCESS REMOVING amp REPLACING THE LIFT OFF OVEN DOOR 4 CAUTION To replace the door Step I j The door is very heavy Be careful when removing and lifting the door Do not lift the door Firmly grasp both by the handle sides of the door at the top To remove the door Step 1 With the door at Fully open the door the same angle as the removal position seat the indentation of the hinge arm into the bottom edge of the hinge slot The notch in the hinge arm must be fully seated into the bottom of the slot edge of slot Indentation Pull the hinge locks down toward Fig 1 the door frame to the unlocked position Step 3 j Fully
24. al Radiant Surface Elements Right Front INNER OUTER on off power level relay switching Single Radiant Surface Elements Warming Zone Center Rear on off power level relay switching Supervising cook top element hot Warm drawer power level 5 level indication Oven relay PCB P N 6871W1N012A Main function p Oven heater on off relay switching DLB Broil Bake Warming drawer convection 5 4 CHECKING FLOW CHART BY FAILURE MODE display Enter key Input Some beep Check the thermal fuse Sound the page 3 1 Cook top display Check AC input voltage of Main PCB blank Main PCB CN2 pin 1 and 3 Go to page 6 4 Check voltage Main PCB 009A CN14 Pin 10 and 12 CN14 Pin 10 and 12 The voltage should be 4 5V 5 5V Main PCB 009B NO Yes Replace the main PCB 009A Replace the cook top display PCB 010A END 6 1 FAILURE MODE FLOW CHART display Enter key Input Some beep Check the thermal fuse Sound See the page 3 1 Warming drawer Check AC input voltage of Main PCB O display blank Main PCB CN2 pin 1 and 3 Go to page 6 4 Voltage should be 4 5V 5 5V CN9 Pin1 Main PCB 009B NO Yes Replace the main 009 Replace the warming drawer display PCB 011A END END 6 2 FAILURE MODE FLOW CHART display
25. amp terminal and harness Reconnect If defective harness replace or fix END Check the oven lamp measure the resistance Normal Below 5 Q Abnormal infinite Wa des Abnormal Replace j the main PCB 009A Infinite ai FAILURE MODE FLOW CHART No key input Key does not input Reconnect the main PCB connector CN11 and CN20 more than two times Replace the keypad assembly END 6 11 FAILURE CODES e 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 death or electrical shock Failure DISPLAY CODES Before doing any action perform the following step1 3 Step1 Unplug range or disconnect power Step2 Check if connector is fully seated or not Note All units in the first few days of use should be checked for mis wiring or loose connections DISPLAY CAUSE CORRECTIVE ACTION SHOWS A Perform step 1 through 2 above F1 B Replace keypad or keypad assembly if F code recur go to after unplugging or disconnecting C Replace Control PCB assembly F2 F3 F4 F5 6 A Perform step 1 through 2 above B Check wire and connections from control to latch C If motor operate check integrity of latch mechanism check the micro switch refer to component test section check integrity of door locking mechanism D If motor didn t ope
26. an blade COMPONENT ACCESS REMOVING THE OVEN LIGHT amp SOCKET ASSEMBLY WARNING ELECTRICAL SHOCK HAZARD 4 CAUTION Be careful not to scratch or chip the oven liner paint when you remove the oven light socket in the next step Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock 5 Use a screwdriver and bend the clips on the oven light socket away from the edges of the liner 4h CAUTION hole and pull the socket out of the liner NOTE If it is too difficult to remove the socket When you work on the electric range be careful from the front of the oven you will have to push when handling the sheet metal parts Sharp the socket out from the back of the unit edges may be present and you can cut yourself if you are not careful To replace 1 Unplug range or disconnect power 2 Turn the glass bulb cover in the back of the oven counterclockwise to remove 3 Turn bulb counterclockwise to remove from socket 4 Replace bulb and bulb cover by turning clockwise Glass cover amp Bulb lt Viewed From Rear Panel gt 3 9 COMPONENT ACCESS REMOVING THE LATCH DRIVE ASSEMBLY WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock CAUTION When you work on
27. and remove the two mounting screws in oven ELECTRICAL SHOCK HAZARD SM Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock 4 CAUTION Screws When you work on the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful Main oven Sensor 1 Turn off the electrical supply going to the range 2 Open the oven door and remove the racks from the oven 3 Pull the range away from the wall so that you can access the rear panel 4 Remove the 16 screws from the rear panel and remove the panel see step 3 on page 3 2 AM Main oven Sensor _ connector am 1 3 11 COMPONENT ACCESS REMOVING THE WARMING DRAWER ELEMENT amp TEMPERATURE SENSOR To remove the warming drawer element 4 WARNING 1 Remove the two bottom bracket screws ELECTRICAL SHOCK HAZARD e A LY Disconnect power before servicing the range 2 rear bracket screws Replace all panels before operating range Failure to do so can result in death or electrical shock CAUTION 2 bottom bracket screws When you work on the electric range be careful 2 Remove the two rear bracket screws and when handling the sheet metal parts Sharp disconnect the wires from the terminals edges may be present and you can cut yourself if you are not careful
28. ard from the PCB case x If pin solder is cracked repair and re use Yes 7 8 F CODE FLOW CHART Oven too hot error F 9 error Code Error mode Operation Times sampling Oven hot Oven temperature is over 650 F During cook continuously during 2 minutes on cooking Not self clean mode Oven is too hot F 9 Disconnect power Remove the oven relay PCB 012A harness and pull the oven relay PCB 012A forward from case Check for a welded bake relay measure the resistance SB70WINDIZA sl 9 se Lt BROIL a le 4 Normal Infinite Replace the oven relay PCB Continued on the next page END 7 9 F CODE FLOW CHART Yes Check for a welded broil relay measure the resistance 6870W1NU0127 L 4 Welded Normal Continuity Infinite Replace the oven relay PCB 012A Replace the main relay 009 7 10 pejoejep jou eopjins yoy dopyoo9 4 pejoejep sopjns joy domoo 47 y jou s Jslpay J8MD Q M b s jeypeu JenpDJdQ N d 815 x 8s d Ae 5 i D Is uugec M S 3000 d o N 1 A r d 3 a LI As Abd oj Jo pasojosip Jo peidoo peusuqnd eq Snld 49498 OWN KK de Ki UNO jou Siy uolsstuued UYUM nodlw Q3llWni pejoejep jou yy y wono 8 A 78 SNo SOINOMLOITA 91 Jo huedoud a si BuMo
29. at bottoms large enough to cover the surface unit heating element The use of undersized utensils will expose a portion of the heating element to direct contact and may result in ignition of clothing Proper relationship of utensil to burner will also improve efficiency Never Leave Surface Units Unattended at High Heat Settings Boil overs may cause smoking and greasy spillovers may ignite Make Sure Reflector Pans or Drip Bowls Are in Place Absence of these pans or bowls during cooking may subject wiring or components underneath to damage Protective Liners Do not use aluminum foil to line surface unit drip bowls or oven bottoms except as suggested in the manual Improper installation of these liners may result in a risk of electric shock or fire Glazed Cooking Utensils Only certain types of glass glass ceramic ceramic earthenware or other glazed utensils are suitable for range top service without breaking due to the sudden change in temperature Utensil Handles Should Be Turned Inward and Not Extend Over Adjacent Surface Units To reduce the risk of burns ignition of flammable materials and spillage due to unintentional contact with the utensil the handle of a utensil should be positioned so that it is turned inward and does not extend over adjacent surface units Do Not Soak Removable Heating Elements Heating elements should never be immersed in water Be sure you know which control pads ope
30. awer and verify leveling leg is inserted into and fully secured by the anti tip devices Refer to the installation manual for proper anti tip bracket installation Do not step lean or sit on the doors of the range this can cause the range to tip resulting in burns or serious injuries 4 WARNING DO NOT TOUCH HEATING ELEMENTS OR INTERIOR SURFACES OF OVEN Heating elements may be hot even though they are dark in color 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 heating elements 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 1 1 Ah CAUTION Do not store items of interest to children in cabinets above a range or on the back guard of a range children climbing on the range to reach items could be seriously injured Do Not Leave Children Alone Children should not be left alone or unattended in area where appliance is in use They should never be allowed to sit or stand on any part of the appliance Never Use Your Appliance for Warming or Heating the Room Storage in or on Appliance Flammable materials should not be stored in an oven or near surface units Be sure all packing materials a
31. d glass toward the heat Damaged oven door gasket e Improper Self clean Do not use harsh abrasives or scouring pads See Owner s manual intructions Oven racks fit too tight Racks were cleaned in self clean Apply a small amount of vegetable oil to a cycle paper towel and wipe the edges of the oven racks with the paper towel Do not spray with pam or other lubricant sprays Tolerance buildup in oven liner Notify customer Assurance department Oven smokes odor first few This is normal Minor smoking or odor is normal for the times of usage first few tikes of oven usage e Ventilate area well and perform self clean cycle Excessive smoking during a Excessive soil e Press the CLEAR OFF pad Open the Self clean cycle windows to rid the room of smoke Wait until the Self Clean cycle is cancelled Wife up the excess soil and reset the clean Convection fan make a A convection fan may Low level noise is normal noise automatically turn on and off Low level noise is normal Loose nut of convection fan Re fasten the nut Deformed convection fan Replace the convection fan Failures Codes e Electronically controlled Refer to Failure codes parts page 7 0 7 10 Oven temperature too hot Oven sensor needs to be adjusted See the adjusting your oven temperature or too cold in owners manual SCHEMATIC DIAGRAM For Model LRE30755SW SB ST 4 WARNING AC INPUT NOTE Schematic diag
32. ective a point of contact with door switch 9 1 e Check lamp and Replace is necessary e Check circuit breaker or replace fuse Repair or replace wiring Check light socket for continuity Test and or replace door switch Repair or replace wiring Check door locking motor and micro switch e Shut off power to oven for five minutes by switching off circuit breaker Reset circuit breaker and try oven again e Test door switch and check the point of contact between door and door switch TROUBLE SHOOTING PROBLEMS POSSIBLE CAUSES amp FAULTS SOLUTIONS Electronic timer will not Failed main power control board Replace power control board PCB accept Programming Electronic timer will not Failed main power control board Replace power control board PCB accept Programming Clock and timer not working Power outage Verify power is present at unit e Verify that the circuit breaker is not tripped Oven does not bake Selection is set for to BAKE or TIMED BAKE Oven does not Broil Overheating or runaway oven Oven door will not open or latch Premature burnout of bake element Oven door difficult to open Loose or bad wiring e Defective BAKE element e Defective electronic clock Door switch sensing error Loose or bad wiring e Defective BROIL element e Defective Power Control Board Loose or bad wiring to latch system Defective Oven Sensor Bad Power
33. ently Door switch 1 Refer to page 3 5 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x 1000 La Continuity Infinite 4 3 Broil element 1 Refer to page 3 6 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x1 Bake element 1 Refer to page 3 7 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x1 Convection element 1 Refer to page 3 8 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x1 Warming Drawer element 1 Refer to page 3 12 for the servicing procedure 2 Measure the resistance after cooling down Multiple meter scale R x1 Normal Approximately 140 10 If not replace NOTE Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature Normal Approximately 170 1096 If not replace NOTE Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature Normal Approximately 170 10 If not replace NOTE Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature Normal Approximately 95 Q x 1096 If not replace NOTE Value was tested at room temperature 77F 25 C Be careful the element is sensitive to temperature Oven lamp 1 Measure the resis
34. f if a If not already done raise the cooktop you are not careful see page 3 4 for the procedure b Remove the door switch from the range To do this squeeze tabs and use a ratchet extension or a small socket and tap it out of the hole with a hammer 1 Turn off the electrical supply going to the range 2 Open the oven door 3 Raise the cooktop see page 3 4 for the procedure 4 To remove the door latch a Remove the two screws from the door latch and remove the latch 2 Screws 3 5 COMPONENT ACCESS REMOVING THE BROIL ELEMENT b Pull the element forward so that you can ae WARNING access the terminals and disconnect the wires ELECTRICAL SHOCK HAZARD 2 Terminals Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock Ah CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 1 Turn off the electrical supply going to the range 2 Open the oven door and remove the racks from inside the oven 3 To remove the broil element a Remove the 4 screws from the front and rear brackets 2 Upper bracket Screws 2 Rear bracket Screws 3 6 COMPONENT ACCESS REMOVING THE HIDDEN BAKE ELEMENT 1 Unplug range or disconnect power 2 Pull the range out of its mounting location
35. f you press TIMER ON OFF pad twice this allows you to select minutes for example if you press 5 and 6 it means 56 minutes 5 OPTIONS PAD 6 types of category 1 CONVECTION AUTO CONVERSION 1 Press OPTIONS pad once 2 Press 1 pad for ENABLE or 2 pad for DISABLE 3 Press START pad 2 THERMOSTAT ADJUSTMENT The oven temperature can be adjusted from 35 F 19 C to 35 F 19 C Note The thermostat adjustments made with this feature will just change Bake Convection Bake and Convection Roast temperature To increase the oven temperature 1 Press OPTIONS pad twice 2 Press the desired temperature 3 Press START pad To decrease the oven temperature 1 Press OPTIONS pad twice 2 Press the desired temperature 3 Press the OPTIONS pad once 4 Press START pad 3 LANGUAGE SELECTION English or French 1 Press OPTIONS pad 3 times 2 Press 1 pad for ENGLISH or 2 pad for FRENCH 3 Press START pad 4 PREHEATING ALARM LIGHT ON OFF 1 Press OPTIONS pad 4 times 2 Press 1 pad for ON or 2 pad for OFF 3 Press START pad USING YOUR RANGE 5 BEEPER VOLUME 8 CONVECTION BAKE 1 Press OPTIONS pad 5 times CONV Desired 2 Press 1 pad for loud level BAKE Temp START 2 pad for normal level A a 9 CONVECTION ROAST 4 pad for mute level 3 Press START pad CONV Desired i ROAST Temp
36. g Drawer rack in either position as shown below Fig 1 Warming Drawer Rack in downward position Warming Drawer Rack in upward position 4 CAUTION Always use pot holders or oven mitts when removing food from the Warming Drawer as cookware and plates will be hot and you can be burned To Operate the Warming Drawer The purpose of the Warming Drawer is to keep hot cooked foods at serving WARNING temperature Always start with hot food It is not recommended to heat cold food in the Warming Drawer All food placed in the Warming Drawer ON should be covered with a lid or aluminum foil to maintain quality Do not use plastic wrap to cover food Warming Plastic may melt onto the drawer and be Drawer very difficult to clean Use only utensils Control and cookware recommended for oven use in the Warming Drawer To set the warming drawer control 1 Press the ON OFF pad at the is WARMING DRAWER position The indicator light will flash If no further pads are pressed within 25 seconds the display will clear 2 Press once to turn on the power level for high 5 level or x for Low 1 level Use the v A pad to choose the desired power setting Adjustable at any time while the Drawer is ON 4 When the food is ready for ON removal press the ON OFF OFF pad once to turn off Note The Warming Drawer will shut off automatically after 3 hours COMPONENT ACCESS
37. horted 4 1 Door locking Motor 1 Refer to page 3 10 for the servicing procedure Normal Approximately 2 Measure the resistance Multiple meter scale R x 1000 26 10 If not replace Abnormal Infinite open below 50 shorted Micro Switch 1 Refer to page 3 10 for the servicing procedure 2 normally open type 2 Measure the resistance E Multiple meter scale R x 1000 CA WD Continuity Infinite NOTE After checking for the continuity of switch make sure that they are connected correctly LVT 1 Refer to page 3 3 for the servicing procedure Normal Approximately 2 Measure the resistance 27 X x 1076 Multiple meter scale R x 1000 If not replace 4 2 Oven Sensor 1 Refer to page 3 11 for the servicing procedure Normal Approximately 2 Measure the resistance after cooling down 1 09 kQ 10 Multiple meter scale R x 1000 If not replace NOTE Value was tested at room temperature 77F 25 C NOTE Oven sensor is so sensitive to temperature Do test after cooling down sufficiently Warming Drawer Sensor 1 Refer to page 3 12 for the servicing procedure Normal Approximately 2 Measure the resistance after cooling down 4 6 10 Multiple meter scale R x 1000 If not replace NOTE Value was tested at room temperature 77F 25 C NOTE Oven sensor is so sensitive to temperature Do test after cooling down suffici
38. l shock CERAMIC GLASS COOKTOP REMOVAL SET Unplug the cord or disconnect power Step 2 Open oven door and remove the 3screws located at the front of the cook top then close the door Lift up the cooktop front and Remove the ground screw securing ground wire Slightly lift up and pull up the cook top and then unplug the 2 connectors at the back by squeezing side tabs 2 Connectors 3 4 Protect the cooktop surface and turn the assembly over Bracket screws To remove the surface elements a Remove the wires from the element and limiter terminals b Remove the element bracket screw shown above for the element you are servicing d Carefully lift the bottom of the bracket just far enough to remove the element REASSEMBLY NOTE When you reinstall the element make sure that the wires are inserted into the correct tap then reinstall the bracket screw to secure it to the cooktop COMPONENT ACCESS REMOVING THE DOOR LATCH amp DOOR SWITCH b Remove the door latch from the burner box 4 WARNING and unhook the actuating rod ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range HR Rod Failure to do so can result in death or electrical shock CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp 5 To remove the door switch edges may be present and you can cut yoursel
39. l board PCB Loose or bad wiring connection at element or terminal block Surface element will not heat Defective Surface units control Higher than low medium PCB e Defective Surface element Low line voltage Test and or replace PCB Refer to the page 6 1 6 4 Verify power is present at unit e Verify that the circuit breaker is not tripped Replace household fuse capacity e Check circuit breaker Repair or replace wiring see wiring diagrams Test and or replace element Test and or replace PCB Refer to the page 6 5 6 7 e Verify all connections are clean and tight replace broken wires Test and or replace cook top PCB Refer to the page 6 8 6 9 Test and or replace element Line voltage should be minimum 240 volts Of necessary electrician should repair cause for low line voltage Frequent cycling of surface This is normal The element will cycle on and off to Element or warming zone maintain the heat setting Defective cook top control PCB Test and or replace cook top HS Hot surface Warning message does not light up Oven light fails to operate Refer to the page 6 10 Oven does not begin clean cycle Oven stop for Self clean cycle e Failed oven lamp e Circuit breaker or fuse is open Loose or bad wiring Defective light socket Defective door switch Bad wiring Bad latch system Programming error Def
40. ooktop so that it does not rest on the side panel that you are removing 6 Remove the two screws from the top rear of the side panel 9 Push forward and remove the side panel 3 17 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 All tests checks should be made with a VOM or DVM having a sensitivity of 20 000 ohms per volt DC or greater 2 Check all connections before replacing components looking for broken or loose wires Failed terminals or wires not pressed into connectors far enough 3 Resistance checks must be made with power cord unplugged from outlet and with wiring harness or connectors disconnected 4 WARNING Disconnect power supply cord from the outlet before servicing Replace all panels and parts before operating Reconnect all grounding devices after servicing Failure to do so can result in death or electrical shock NOTE Below value were tested at room temperature 77F 25 C Convection Motor 1 Refer to page 3 8 for the servicing procedure Normal Approximately 2 Measure the resistance 33 5 Q 10 Multiple meter scale R x 1 If not replace Abnormal Infinite open below 50 s
41. or any repairs made on our products by anyone other than Authorized Service Technicians OF CONTENTS II 1 1 1 4 e Important safety INSMUCHO S E LL LLL LE 191 5 1 2 e Model amp Serial number label and tech sheet locations 1 3 e Specifications e GMA Cs atus ayn E 1 4 USING YOUR RANGE eee eee rH Pee 2 1 2 5 General IMtOMatON 2 1 Control panel eat 2 2 2 5 To turn on a single surface unit Right Rear Left Rear Left Front To turn on a dual surface unit Right Front To set the warming zone control To set the warming zone control Setting the Clock Start Clean Off and On Off pad To turn On Off the oven light Timer On Off Options pad 6 categories 1 Convection auto conversion 2 Thermostat adjustment 3 Language selection English or Spanish 4 Preheating alarm light On Off 5 Beeper volume 6 Temperature unit F or C Bake Timed Bake Delayed timed Bake Broil Convection Bake Convection Roast Favorites Cook amp Warm Oven lockout Changing hour mode on clock 12HR 24HR Proof Self Clean Warming drawer COMPONENT ACCESS Vox Dex PEE D n E RO dS 3 s 3 17 e Component Beien 3 1 e Removing the
42. ormally open type PR eT a ACZ O E ed t M OS 4 2 4 2 OVEN SENSON d IE 4 3 e Warming Drawer Sensor A IA AA 4 3 DOOM SWITCH D uS A A ba E AAA A 4 3 BIOJkEEIEMENE SS 0 ee ce A E EA AE E A 4 4 Bake elemert A A AA LAA 4 4 CONVECTION element ll R UNS AAA 4 4 Warming Drawer elemen A 4 4 e Oven lamp A m PI LM ees 4 5 e Single surface unit LF LR RR See ee A OE Z 4 6 Warming FL 4 7 e Dual surface unit RF EE ea PZA ee a R 4 8 COMPOSITION OF CONTROL pp 5 1 5 4 Man PCOB areia a 5 2 e Cook top display r p e 5 3 Cook top relay eiae 5 4 e Oven relay mill 5 4 FAILURE MODE FLOW CHART pp 6 1 6 11 e No display No power A A 6 1 6 4 Qvendoes e Ten d e EE 6 5 6 7 e Cook top does nobhesl risa re US agat dense 6 8 6 9 e Oven lamp does not operate Ee 6 10 e No key input ro 6 11 FAILURE CODES Dee ee geen 7 0 E CODE FLOWCHART nadawania Exeter ire 7 1 7 10 Fa Golf llt fa Jud aw fad F 3 EE TITIO LLLI LLL E 7 5 7 6 e F 5 EE NIORT 7 7 7 8 e EDITO EE 7 9 7 10 APPENDIX A SCHEMATIC DIAGRAM O
43. ram shows door switch In the cook position with the oven 2 CE ORE L2 ZSS N door open and elements off SERVICING THE APPLIANCE x RADIANT COOK TOP WARMING ZONE i PK FF fight Fro 1700W inner approx 32Q RF ae 2b LF RY13 2700W Dual 560 LR COOKTOP CR 100W 5700 WIRE COLORS RD RED BN ne E SSC 2a b T uu RY14 RF 9 COOKTOP RY15 12 RY16 LF SEC CN3 31 TRANSFORMER __ OVEN SENSOR RY1 OVEN LAMP DOOR LOCK SWITCH RY DOOR MOTOR CONV FAN i m MaG Seef See Dy Ae m es Se W DRAWER RY8 DLB RY9 CONV STRIP CIRCUITS Complete the following steps before checking electric oven circuit 1 Check the line voltage household fuse or circuit breaker 2 Check for loose wiring or mis wiring within electric range NOTE The following individual circuits are for use in diagnosis and are shown in the ON position For Model LRE30755SW SB ST BAKE COOK amp WARM PROOF BAKE HEATER BROIL BROIL OVEN LIGHT WH py BK H CN4 DOOR SWITCH 10 2 For Model LRE30755SW SB ST WARMNING DRAWER Im gl alek 98 _ DRAWER TRANSFORMER SENSOR THERMAL FUSE RY7 W DRAWER H n H W DRAWE
44. rate check continuity of the latch motor and electrical connections if the wiring is bad replace the harness if the wiring is good replace the door motor assembly if F code recur replace control A Perform step 1 through 2 above B Open the back panel and check continuity of the sensor and Control PCB C Disconnect sensor from harness D Measure value between connector pins Approximately 1090 at room temperature 77F 25 C Measure value between sensor chassis and any connector pins value should read OPEN gt if there is any problem Replace oven sensor E If you couldn t find any problem Replace Control PCB A Perform step 1 through 2 above B Open the back panel and check continuity of the sensor and Control PCB C Disconnect sensor from harness D Measure Q value between connector pins Approximately 50kQ at room temperature 77F 25 C Measure value between sensor chassis and any connector pins Q value should read OPEN gt if there is any problem Replace warming drawer sensor E If you couldn t find any problem Replace Control PCB DISPLAY SHOWS CAUSE CORRECTIVE ACTION Main oven A Perform step 1 through 2 above B Open the back panel and check continuity of the sensor heater bake broil and Control PCB C Check the bake and broil heater refer to component test D Disconnect sensor from harness Measure Q value between connector pins of oven sensor
45. rate each surface unit Make sure you turned on the correct surface unit 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 or around any part of the oven Clean in the self clean cycle only parts listed in this manual Before self cleaning the oven remove the broiler pan and any utensils from the oven Never keep pet birds in the kitchen the health of birds is extremely sensitive to the fumes released during an oven self clean cycle Fumes may be harmful or fatal to birds Move birds to well ventilated room Important Instruction In the event the self clean mode F code goes on or three long beeps sound oven is malfunctioning in the self clean mode Turn off or disconnect appliance from power supply and have serviced by a qualified technician 1 2 VENTILATING HOODS Clean Ventilating Hoods Frequently Grease should not be allowed to accumulate on hood or filter When flaming foods under the hood turn the fan on OVEN Use Care When Opening Door Let hot air or steam escape before you remove or replace food in the oven Do Not Heat Unopened Food Containers Build up of pressure may cause container to burst and result in injury Keep Oven Vent Ducts Unobstructed
46. re removed from the appliance before operating it Keep plastics clothes and paper away from parts of the appliance that may become hot e Wear Proper Apparel Loose fitting or hanging garments should never be wom while using the appliance Do Not Use Water on Grease Fires Tum off oven to avoid spreading the flame Smother the fire or flame by closing the door or use dry chemical baking soda or foam type extinguisher Use Only Dry Potholders Moist or damp potholders on hot surfaces may result in bums from steam Do not let potholder touch hot heating elements Do not use a towel or other bulky cloth WARNING SURFACES e DO NOT TOUCH SURFACE UNITS OR AREAS NEAR UNITS Surface units may be hot even though they are dark in color Areas near surface units may become hot enough to cause burns During and after use do not touch or let clothing or other flammable materials contact surface units or areas near units until they have had sufficient time to cool Among these areas are the cook top and surfaces close to the cook top WARNING To avoid risk of electrical shock personal injury or death make sure your range has been properly grounded and always disconnect it from main power supply before any servicing GENERAL IMPORTANT SAFETY INSTRUCTIONS SURFACE COOKING UNITS Use Proper Pan Size This appliance is equipped with one or more surface units of different sizes Select utensils having fl
47. sado zou s dwoj uaao 6 oou o pe nr tat ca AAN nt E ee jou s 40 094 dopjoo9 yy A s dwb va 1 Bunosado s Jaypay doj4ooo yy x paxoo Joog a buqojedo jou s Ja Day euoz UJDN A paxoojun Jood p s 49094 euoz uubM peso s Jood i jou s Jelped uedo si 1000 9 Bunosado Joe 2 uo SI 1 A ar OEA wami q OZNO BL PL EI TI T4 t oil o 160 __________________________________ J S a 824 AVI3M MIO G u A A A 4 X702 Syozia o ees 8 1 TT III EJE M31V3H AN Hai L M31V3H 196 uus c Dot E i a 89d AVIASIO 1 5 79 8 amp 8 M M 6 0 n uae ng LNO l 8 7 0395 E lY R 3 8 920 4 31 4 N ZHWOL NEMO BETTER PLUS ZA Ady 102056 LY 0 99 91 a 8 1 TROUBLE SHOOTING Oven not operating Oven element does not heat Surface element barely heats Bad power control board PCB Power outage No line voltage Loose or bad wiring e Defective element Bad Power contro
48. sed a beep will sound The power level decreases or increases by 0 5 from 9 0 through 3 0 by 0 2 from 3 0 through 1 0 Lo is the lowest power level available e HS will appear when the unit is hot to touch C Tosetthe warming zone control E 1 Press ON OFF pad at the warming zone 2 Press pad to choose the desired setting Note Each time a pad is pressed a beep will sound The controls for the warming zone allow for 5 different heat settings Lo Hi HS will appear when the unit is hot to touch B To turn on a dual surface unit 1 SETTING THE CLOCK CLEAR Desired OFF Time START 2 START CLEAN OFF AND ON OFF PAD 1 Touch START pad to start oven 2 Touch CLEAR OFF pad to cancel a program during cooking or Erase during programming 3 Touch ON OFF pad to start or cancel the surface unit 3 TO TURN ON OFF THE OVEN LIGHT The oven light automatically turns ON when the door is opened The oven light may also be manually turned ON or OFF by pressing the OVEN LIGHT pad Note The oven light cannot be turned on if self clean feature is active 4 TIMER ON OFF TIMER Desired TIMER ON OFF i time ON OFF To cancel timer at any time touch TIMER ON OFF pad Note 1 If you press TIMER ON OFF pad once this allows you to select seconds for example if you press 5 and 6 it means 56 seconds 2 I
49. ssembly and separate PCB assembly KEY MEMBRANE Assembly ACCESS REMOVING THE CONTROL POWER SUPPLY AND POWER CONTROL BOARD PCB 5 To remove the control power supply ae WARNING a Disconnect 2 connectors ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrical shock 2 Connector CAUTION When you work on the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 1 Turn off the electrical supply going to the range 2 Pull the range away from the wall so that you can access the rear panel 3 Remove back cover amp control cover See step 3 4 on page 3 2 4 There are 3 PCB s power control board When you check PCB check the proper pcb in default 2 Screws mode and check main pcb NOTE Refer to the page 5 1 5 4 for composition of control board Cook top Relay PCB Main PCB E SS e gt s 2 A gt 4 Ex WE p Sie a 0 A EH Nu LJ 3 3 ACCESS REMOVING THE SURFACE ELEMENTS AND THE CERAMIC GLASS COOKTOP WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range Replace all panels before operating range Failure to do so can result in death or electrica
50. sure the resistance after cooling down Normal approximately 17Q Replace the convection heater Continued on the next page END 6 6 FAILURE MODE FLOW CHART Oven does not heat Check for loose oven sensor connector Check the oven sensor measure the resistance after cooling down Normal approximately 1 09kQ END Yes Replace the oven sensor Replace the oven relay PCB 012A EN Yes Replace the main 009 For further check of main PCB END Refer to the appendix A FAILURE MODE FLOW CHART No heating All or a part of cook top heaters Disconnect power Check for loose connection at board 011B PCB to cook top heaters Reconnect If defective harness replace or fix Check for loose connector main PCB 009A CN9 and CN16 Continued on the next page 6 8 FAILURE MODE FLOW CHART Yes Remove the cook top relay PCB 011A harness and pull the cook top relay PCB 011A forward from the PCB case Inspect the cook top relay PCB 011A Wide pattern Live part blown out pin to pin short or connector harness damaged 220303 eeeeegec bibi Yes by yourself Repair and fix Replace the Cook top relay PCB 011A Replace the main 009 END 6 9 FAILURE MODE FLOW CHART Oven lamp does not operate Oven lamp does not operate Disconnect power Check for loose connection of oven l
51. t replace 6 Touch the ohmmeter test leads to limiter Below 150 terminals 1B and 2B open circuit infinite With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity O 2 Above 150 F continuity 0 Q 4 7 Dual surface element Right Front RF 1 Refer to page 3 4 for the servicing procedure 2 Set the Multiple meter scale to the R x1 3 Disconnect wires from cook top elements 4 Touch the ohmmeter test leads to the E1 amp 1A and E2 amp 1A the meter should indicate E1 amp 1 gt 32 Q 10 E2 amp 1A gt 55 10 Normal Approximately 32 Q Normal Approximately 55 Q 5 Touch the ohmmeter test leads to limiter terminals 1A and 2A the meter should indicate PROJ SA Normal continuity below 0 5 Q If not replace 6 Touch the ohmmeter test leads to limiter Below 150 F terminals 1B and 2B open circuit infinite With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter should indicate continuity O 2 Above 150 F continuity 0 Q 4 8 COMPOSITION OF CONTROL Main PCB P N 6871W1N009A Controller assembly m T ale i j JM SA nd mand p l Ih T up Pir REI AMT A e jd 4 l e Oven relay PCB
52. tance after cooling down Normal Below 5 Multiple meter scale R x1 If not replace Single surface units Left Front LF Left Rear LR and Right Rear RR Element 1 Refer to page 3 4 for the servicing procedure 2 Set the Multiple meter scale to the R x 1 3 Disconnect wires from cook top elements 4 Touch the ohmmeter test leads to the element terminal and 1A The meter should indicate 46 Q 10 Normal Approximately 46 If not replace 5 Touch the ohmmeter test leads to limiter terminals 1A and 2A The meter should indicate continuity 0Q Normal continuity below 0 5 Q If not replace 6 Touch the ohmmeter test leads to limiter Below 150 F terminals 1B and 2B open circuit infinite With the temperature below 150 F the meter should indicate an open circuit infinite With the temperature above 150 F the meter Wee i continuity 0 Q should indicate continuity 0Q 4 6 Center Rear CR 1 Refer to page 3 4 for the servicing procedure Element 2 Set the Multiple meter scale to the R x 1 Warming Zone 3 Disconnect wires from CR elements 4 Touch the ohmmeter test leads to the element terminal and 1A The meter should indicate 565 Q 10 Element terminal Normal Approximately 565 Q If not replace 5 Touch the ohmmeter test leads to limiter terminals 1A and 2A the meter should indicate continuity 0 Q Normal continuity below 0 5 Q If no
53. the electric range be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful DOOR LOCKING MECHANISM The door lock assembly is located at the back side of range The structural elements are as below 1 When the oven control is programmed and started for the Self clean and Lock out mode PCB Power control board chip operates the motor 1 Turn off the electrical supply going to the range Pull the range away from the wall so that you can access the rear panel Remove the back cover amp control cover see step 3 4 on page 3 2 Disconnect the wires from the latch drive motor and switch Remove the two mounting screws from the latch drive SCTEWS SCTEWS 6 Unhook the Latch rod from the cam 3 10 Latch ROD CAM MICRO M SWITCH 2 The cam moves the door hook connected to latch 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 LE COMPONENT ACCESS REMOVING THE OVEN TEMPERATURE SENSORS 5 To remove an oven temperature sensor a WARNING disconnect the connector from the main harness
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