Electrolux E30SO75ESS - 30" Wall Oven Скачать руководство пользователя страница 42 | Manualshive

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Figure S-2. Power Unitl Circuit

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Содержание E30SO75ESS - 30" Wall Oven

Страница 1: ... AND DURING SERVICE TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTING GUIDE 13 TEST PROCEDURE 15 TOUCH CONTROL PANEL 26 PRECAUTIONS FOR USING LEAD FREE SOLDER 30 COMPONENT REP...

Страница 2: ...eration and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the ...

Страница 3: ...high voltage rectifier against the chassis with the use of an insulated screwdriver Whenever troubleshooting is performed the power supply must be disconnected It may in some cases be necessary to connect the power supply after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capac...

Страница 4: ... the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power Cooking...

Страница 5: ...he door is not deformed or warped E There is not any other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing Service personnel Do not contact the following parts while the appliance is energized High Voltage Capacitor Po...

Страница 6: ...f Full Power 0 PERCENT No power throughout the cooking time Convection Temperature for Variable Cooking CONVECTION 100 450 ο F Temp control HELP pad Add a Minute pad SPEED GRILL pad SPEED ROAST pad SPEED BAKE pad PREHEAT pad CONVECTION pad REHEAT pad POPCORN pad COOK pad DEFROST pad BASIC COOK pad RECIPES pad UP DOWN pads ENTER pad Number and temperature selection pads TIMER CLOCK pad STOP CLEAR p...

Страница 7: ...ndle down and forward Never hold the door handle when moving the oven 2 Oven door with see through window 3 Safety door latches The oven will not operate unless the door is securely closed 4 Door hinges 5 Door seals and sealing surfaces 6 Turntable motor shaft 7 Removable turntable support Carefully place the turntable support in the center of the oven floor After cooking always clean the turntabl...

Страница 8: ... and the secondary interlock switch areactivatedwiththefollowingresults Thecircuitstothe turntable motor the cooling fan motor and the high voltage components are de energized the oven lamp remains on and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 Themonitorswitchiselectricallymonitoringtheoperation of the primary interlock relay RY2 and the...

Страница 9: ...hen one of 100 ο F to 375 ο F is selected for the first 1 minute the top and side heating elements are not energized When one of 400 ο F to 450 ο F is selected for the first 2 minutes the top and side heating elements are not energized SPEED BAKE COOKING TouchtheBAKEpadandthenentercookingtime Whenthe start pad is touched following operations occur Figure O 3 1 The contacts of the relays RY1 RY3 an...

Страница 10: ...PRIMARY SECONDARY INTERLOCK SWITCH FAN MOTOR UNIT CONTROL MONITOR SWITCH 1 0 μF CAPACITOR AC 2300V MAGNETRON RED BLK DAMPER SWITCH SWITCH DOOR SENSING JET MOTOR TURNTABLE MOTOR N O N O JM DM FM FM OL TTM THERMISTOR SOLID STATE RELAY SIDE HEATER TOP HEATER COM COM DAMPER MOTOR B3 B4 B1 B2 B5 B6 D7 D5 D3 E3 E5 E1 SIDE HEATER CUT OUT THERMAL CUT OUT TOP HEATER THERMAL MG FUSE TEMP OVEN LAMP F10A FUSE...

Страница 11: ...RE SELECTED 4 COOKING TIME PROGRAMMED 5 START PAD TOUCHED Figure O 3 Oven Schematic Convection Reheat Speed Bake Cooking Condition NOTES 1 Circuits Wire Colors subject to change without notice LV TRANSFORMER C2 C1 C4 C3 T6 T7 T4 A3 T2 A1 D9 RY2 RY1 RY5 RY4 RY3 RY6 RECTIFIER SOLID STATE RELAY INTERLOCK RELAY PRIMARY SECONDARY INTERLOCK SWITCH FAN MOTOR UNIT CONTROL MONITOR SWITCH 1 0 μF CAPACITOR A...

Страница 12: ... BLU BLU RED GRN BLK BRN GRN WHT GRN GRN WHT ORG RED T1 T3 FUSE12 5A NOTES 1 Circuits Wire Colors subject to change without notice LV TRANSFORMER C2 C1 C4 C3 T6 T7 T4 A3 T2 A1 D9 RY2 RY1 RY5 RY4 RY3 RY6 RECTIFIER SOLID STATE RELAY INTERLOCK RELAY PRIMARY SECONDARY INTERLOCK SWITCH FAN MOTOR UNIT CONTROL MONITOR SWITCH 1 0 μF CAPACITOR AC 2300V MAGNETRON RED BLK DAMPER SWITCH SWITCH DOOR SENSING JE...

Страница 13: ...5 ο C SIDE HEATER THERMAL CUT OUT The thermal cut out located on the thermal cover left is designed to prevent damage to the side heating element unit if an over heated condition develops in the top heating element unit due to convection fan failure thermistor failure obstructed air ducts dirty or blocked air intake etc Undernormaloperation thethermalcut outremainsclosed However when abnormally hi...

Страница 14: ...through the vent holes provided on the top and left sides of the oven Next the hot air heats the food on the turntable andleavestheovencavitythroughtheventinthecenterofthe oven cavity back side wall Without leaving the oven this hot air is reheated by the heating elements passes through the convection passage and enters the inside of the oven cavity again in a continuing cycle In this way the hot ...

Страница 15: ...6 Reconnect the power supply cord after the outer case and the back plate are installed 7 Run the oven and check all functions ing operation is selected by the control unit Microwave Cooking Damper is in the open position because a portion of cooling air is channelled through the cavity to remove steam and vapors given off from the heating foods It is then exhausted atthetopoftheovencavityintoacon...

Страница 16: ...does not go into cook cycle when START pad is touched Heating elements do not heat Temperature in the oven cavity is lower or higher than preset Convection cycle runs for 10 minutes then shuts down Convection motor does not operate of all or properly A MAGNETRON B POWER TRANSFORMER C H V RECTIFIER ASSEMBLY D HIGH VOLTAGE CAPACITOR E SECONDARY INTERLOCK SWITCH F PRIMARY INTERLOCK SYSTEM G MONITOR S...

Страница 17: ...ecting more than 60 seconds cook time Allow the water to heat for 60 seconds measuring with a stop watch second hand of a watch or the digital read out countdown 3 Remove the cup from the oven and again measure the temperature making sure to stir the thermometer or thermocouple through the water until the maximum temperature is recorded 4 Subtract the cold water temperature from the hot water temp...

Страница 18: ...onnect the power supply cord after the outer case is installed 9 Run the oven and check all functions TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST D HIGH VOLTAGE CAPACITOR TEST 1 Disconnect the power supply cord 2 Remove the outer case cabinet referring to OUTER CASE CABINET REMOVAL 3 Open the oven door and block it open 4 Discharge the high voltage capacitor 5 Remove the back plate from the ov...

Страница 19: ... If the monitor fuse is blown when the door is opened check the primary interlock relay secondary interlock switch and monitor switch according to the TEST PROCEDURE for those switches before replacing the blown monitor fuse CAUTION BEFORE REPLACING A BLOWN MONITOR FUSE TEST THE PRIMARY INTERLOCK DOOR SENSING SWITCH 1 Disconnect the power supply cord and then remove outer case 2 Open the door and ...

Страница 20: ...ven and check all functions CAUTION IF THE TEMPERATURE FUSE INDICATES AN OPEN CIRCUIT AT ROOM TEMPERA TURE REPLACE TEMPERATURE FUSE K THERMAL CUT OUT TOP HEATER TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 A continuity check across the thermal cut out terminals should indicate a closed circuit unless the t...

Страница 21: ... F 130 ο C If thermal cut out has opened under normal condition replace the same item as in the parts list An open thermal cut out indicates overheating of the side heating element unit Check for restricted air flow to the side heat element unit through the vent holes of the oven cavity especially the heater duct left and convection fan 5 Reconnect all leads removed from components during testing ...

Страница 22: ...ofmainwireharness 9 Reconnect the power cord into the wall receptacle 10 If 240 volts A C is indicated at the wire leads replace the motor and if 240 volts A C is not indicated check the wire harness and control unit 11 Disconnect the power supply cord 12 Open the door and block it open 13 Discharge high voltage capacitor 14 Reconnect all leads removed from components during testing 15 Reinstall t...

Страница 23: ...d wires or across the black and the white wires should be above resistance unless the temperature of the thermal cut out reaches approximately 266 ο F 130 ο C The thermal cut out resets automatically at 212 ο F 100 ο C If an ohmmeter indicates an open circuit under normal condition replace the convection motor because the thermal cut out has opened An open thermal cut out indicates overheating of ...

Страница 24: ...all leads removed from components during testing 6 Re install the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions 2 Control Unit The following symptoms indicate a defective control unit 2 1 In connection with pads a When touching the pads a certain group of pads do not produce a signal b When touching the pads no pads pr...

Страница 25: ...nnector CN D on the control unit with an A C voltmeter The meter should indicate 240 volts if not check oven circuit Shut off Cook and Heater Relays Test These relays are operated by D C voltage Check voltage at the relay coil with a D C voltmeter during the microwave cooking operation speed grill speed roast speed bake or convection cooking condition DC voltage indicated Defective relay DC voltag...

Страница 26: ...ock it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 7 Follow the troubleshooting guide given below for repair STEPS OCCURRENCE CAUSE OR CORRECTION 1 The rated AC voltage is not pre...

Страница 27: ...T INDICATION OF OHM METER Between N and H Open Circuit Between terminal N and GRY Short Circuit Between terminal H and RED Short Circuit If incorrect readings are obtained replace the noise filter 6 Reconnect all leads removed from components during testing 7 Re install the outer case cabinet 8 Reconnect the power supply cord after the outer case is installed 9 Run the oven and check all functions...

Страница 28: ... as shown in the touch control panel circuit 1 Backlight LED function 2 LED function 3 KEY function TOUCH CONTROL PANEL DIAGRAM PREHEAT GRILL ROAST MIN PLUS TMR CLOCK STOP 7 PLUS 6 0 5 9 3 2 CONVECT RECIPES MINUS 8 4 1 HELP REHEAT DEFROST START ENTER POPCORN PWR LEVEL BAKE ...

Страница 29: ... PIES MINUS POULTRY DESSERTS HELP MEATS START GRILL ROAST PREHEAT BREADS BAKE REHEAT DEFROST COMPUCOOK PIZZAS BASIC COOK PWR LEVEL PLUS STOP MIN PLUS SNACKS POPCORN RECIPES CONVECT ENTER SEAFOOD TMR CLOCK CASSEROLES ...

Страница 30: ...28 E30SO75ESS 8 9 10 11 3 4 1 2 12 13 5 6 HELP CONVECT STOP START DEFROST 9 4 3 8 MINUS 1 6 GRILL BAKE POPCORN BASIC COOK PLUS PREHEAT COOK RECIPES ADD MIN 0 5 7 2 ROAST REHEAT ENTER KEY FUNCTION ...

Страница 31: ...ing sure that the lead wires are not twisted 3 After aluminium foil is removed be careful that abnormal voltage due to static electricity etc is not applied to the input or output terminals 4 Attach connectors electrolytic capacitors etc to PWB making sure that all connections are tight 5 Be sure to use specified components where high precision is required Regulator KIA79L05P Transistor DTA123ES D...

Страница 32: ...melting point of lead free solder Sn Ag Cu is about 220 ο C which is higher than the conventional lead solder by 40 ο C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as y...

Страница 33: ...nt WARNING FOR WIRING 1 Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Pull down the door handleinaclosedpositionwithonehand thenpushthe door with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks sign...

Страница 34: ...he black wire of the power supply cord from the fuse holder and the white wire from the main wire harness 7 Nip the cord bushing with bushing pliers and release it from the hole of the back plate 8 Remove the cord bushing from the power supply cord and the power supply cord from the back plate 9 Now the power supply cord is free Reinstall 1 Reinstall the cord bushing to the power supply cord 2 Ins...

Страница 35: ...he capacitor holder 10 Disconnect the high voltage rectifier assembly from the high voltage capacitor 11 Now the high voltage rectifier assembly is free and also the high voltage capacitor is free CAUTION WHEN REPLACING THE HIGH VOLTAGE RECTIFIER ASSEMBLY THE GROUND SIDE TERMINAL MUST BE SECURED FIRMLY WITH A GROUNDING SCREW FAN MOTOR REMOVAL POWER TRANSFORMER SIDE 1 Disconnect the power supply co...

Страница 36: ...TOR AND DAMPER SWITCH REMOVAL 1 Disconnect the power supply cord 2 Remove the outer case cabinet referring to OUTER CASE CABINET REMOVAL 3 Open the oven door and block it open 4 Discharge the high voltage capacitor 5 Remove the back plate from the oven referring to BACK PLATE REMOVAL 6 Remove the one 1 screw holding the right chassis support to the oven cavity front plate 7 Disconnect the wire lea...

Страница 37: ...n motor mounting angle to the convection duct 9 Remove the six 6 screws holding the convection motor to the convection motor mounting angle 10 Remove the convection motor from the convection motor mounting angle 11 Now the convection motor is free TOP HEATING ELEMENT REMOVAL 1 Disconnect the power supply cord 2 Remove the outer case cabinet referring to OUTER CASE CABINET REMOVAL 3 Open the oven d...

Страница 38: ...en 4 Discharge the high voltage capacitor 5 Loosen each one 1 screw holding the latch hook right and the latch hook left to the oven cavity front plate 6 Withdoorclosed adjustthelatchhookrightandthelatch hook left by moving them back and forth and up and down In and out play of the door allowed by the latch hook right and the latch hook left should be less than 0 5 mm The vertical position of the ...

Страница 39: ...oor latch heads pass through the latch holes correctly 3 Tighten the screws holding the oven hinge right and the oven hinge left to the bottom plate After adjustment make sure of the following 1 The door latch heads smoothly catch the latch hooks through latch holes and the latch heads goes through center of latch holes 2 The door is positioned with its face pressed toward oven cavity front plate ...

Страница 40: ...two 2 glass mounting angles A from the door frame 30 To release the two 2 tabs holding the lower end of the front door glass slide the front door glass upward 31 Release the three 3 tabs holding the upper end of the front door glass and remove the front door glass from the door frame 32 Now the front door glass is free Figure C 5 Door Disassembly Choke Cover Door Frame Door Panel Assembly Putty Kn...

Страница 41: ...HT WHT GRY CN G CN F RED RED R E D R E D R E D R E D B L K B L K R E D R E D B L K R E D O R G O R G B R N DOOR SENSING SWITCH G R N G R N BRN RED BLK GRN COM N C BLK ORG RED BLU RED 8 7 6 5 4 3 2 1 BLK BLU 1 1 14 1 9 6 CN E 1 5 CN C CN C CN G COM 1 4 1 4 3 2 1 7 BLU BRN DAMPER SWITCH COM N O GRY GRY WHT GRY WHT BLK W H T G R Y G R Y G R Y O R G BLK WHT 1 2 3 4 5 6 RED GRN BLU BRN CN E BLK 1 2 3 4...

Страница 42: ...40 E30SO75ESS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 2 Power Unitl Circuit ...

Страница 43: ...41 E30SO75ESS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H Figure S 3 CPU Unit Circuit ...

Страница 44: ...MZA288WRE0 Magnetron 1 24 FPWBFA370WRKZ Noise filter 1 CABINET PARTS 25 GCABDA104WRPZ Back plate 1 26 GDAI A356WRWZ Bottom plate 1 27 GLEGPA092WREZ Leg 2 28 GCABUA976WRPZ Outer case cabinet 1 CONTROL PANEL PARTS 29 DPWBFB139MRU0 Power unit located on bottom plate 1 30 DPWBFB138MRU0 CPU unit 1 31 FUNTKB449MRK0 Key unit 1 32 LX CZB033MRE0 Special screw 8 OVEN PARTS 33 FDUC A371WRKZ Damper duct assem...

Страница 45: ...592WREZ Cuhsion 2 92 PCOVPA389WREZ Edge cover 3 93 PCUSUA614WREZ Cushion 1 94 PCUSUA609WREZ Cushion 1 95 PCUSUA610WREZ Cushion 1 96 PCUSUA611WREZ Cushion 1 97 PCUSUA612WREZ Cushion 1 98 PCUSUA613WREZ Cushion 1 99 LANGQA581WRPZ Noise unit angle 1 100 HDECAB282MRT0 Side trim R 1 101 HDECAB281MRT0 Side trim L 1 DOOR PARTS 102 CDORFB396MRK0 Door assy 1 103 JHNDPB061MRF0 Door handle 1 104 LX BZ0139WRE0...

Страница 46: ...4 mm x 8 mm 12 145 XHTS740P08RV0 Screw 4mm x 8mm 4 146 XOPS740P08000 Screw 4mm x 8mm 3 147 XOTS740P08000 Screw 4mm x 8mm 6 148 XOTS740P12000 Screw 4mm x 12mm 65 149 LX CZA070WRE0 Special screw Torx tamper proof screw 2 150 PCUSUA237WRP0 Cushion 1 151 LX EZA060WREZ Special screw 4 152 XONSC40P10000 Screw 1 153 XHTS740P08000 Screw 4mm x 8mm 3 154 LX BZA144WREZ Special screw 7 155 XOTS740P12RV0 Screw...

Страница 47: ...154 153 71 91 x2 x4 120 155 143 40 43 76 119 145 148 70 153 27 27 61 26 153 153 158 15 96 153 79 145 73 61 83 83 81 78 143 x3 145 153 85 153 153 55 152 80 143 153 48 143 143 143 143 3 41 155 143 54 21 23 74 82 145 153 153 153 153 157 65 1 66 145 75 160 56 145 7 46 142 x2 x4 x2 153 60 63 8 146 146 153 34 29 159 158 x2 x3 x3 153 127 9 153 153 144 6 133 148 90 51 50 144 52 98 13 22 59 97 89 49 153 19...

Страница 48: ...46 E30SO75ESS 6 4 5 1 2 3 6 4 5 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS 31 30 32 104 113 109 116 108 112 104 110 116 110 111 115 111 115 114 106 103 105 107 102 131 139 DOOR PARTS ...

Страница 49: ...121 SPLASH GUARD 117 HIGH RACK 118 LOW RACK Not replaceable items PACKING CASE Actual wire harness may be different than illustration 117 132 128 135 118 121 125 126 POSITION OF PURSE LOCK 128 Pursu lock L 134 Pursu lock LL Main wire harness Main wire harness LV transformer 20 pin wire harness Power unit SIDE CROSS SUPPORT BOTTOM BOX SUPPORT BOTTOM BASE PAD TOP BASE PAD TOP CROSS SUPPORT VERTICAL ...

Страница 50: ...48 E30SO75ESS NOTES ...

Страница 51: ...49 E30SO75ESS NOTES ...

Страница 52: ... ALL RIGHTS RESERVED No part of this publication may be repro duced stored in retrieval systems or trans mitted in any form or by any means elec tronic mechanical photocopying record ing or otherwise without prior written per mission of the publisher ELECTROLUX ...

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