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Electrolux CFMV156DBD Service Manual Download Page 47

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CFMV156DBD

CFMV156DSD

CFMV156DCE 

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33 TURNTABLE TRAY 

TOP PAD

BOTTOM PAD

PACKING CASE

ACCESSORY PACK

WRAP COVER

DOOR PAD

Non-replaceable items

DOOR PROTECTOR

GREASE FILTER (x 2)

80

INSTALL MATERIAL ASSEMBLY

64

72

OPERATION MANUAL

73 TOP/WALL TEMPLATE

EXHAUST DAMPER

ASSEMBLY

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52

INSTALLATION INSTRUCTIONS

PACKING AND ACCESSORIES

Summary of Contents for CFMV156DBD

Page 1: ...O EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 3 MICROWAVE MEASUREMENT PROCEDURE 4 FOREWORD AND WARNING 7 PRODUCT SPECIFICATIONS 8 GENERAL INFORMATION 8 OPERATION TROUBLESHOOTING GUIDE 5 TEST PROCEDURE 7 TOUCH CONTROL PANEL ASSEMBLY 27 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 3 PICTORIAL DIAGRAM 39 POWER UNIT CIRCUIT 40 LSI UN...

Page 2: ...scribed 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 RD8100U BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual If microwave emi...

Page 3: ...igh 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 reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage cap...

Page 4: ...ic 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 Mode Close the door and select a cook cycle of several minutes If the water begins to boil before the survey is completed replace it with 275 ml of cool water C Leakage test with enclosure installed 1 G...

Page 5: ...initially at 20 5O C 68O F in the center of 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 Se...

Page 6: ... CFMV156DBD CFMV156DSD CFMV156DCE NOTES ...

Page 7: ...on hazard WARNING Never operate the oven until the following points are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The 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 inte...

Page 8: ...0 of Full Power P 20 approx 20 of Full Power P 10 approx 10 of Full Power P 0 No power throughout the cooking time Popcorn pad Reheat pad Cook pad Defrost pad Number selection pads Power Level pad Timer Clock pad Light button Fan button Clear Off button START Plus 1 Min button Oven Cavity Light 20W x 1 Incandescent light bulb Safety Standard UL Listed FCC Authorized DHHS Rules CFR Title 21 Chapter...

Page 9: ...cle The receptacle should be located inside the cabinet directly above the Microwave Oven Hood system mounting location 1 Oven door with see through window 2 Door hinges 3 Waveguide cover 4 Turntable motor shaft 5 Oven lamp It will light when oven is operating or door is open 6 Door latches The oven will not operate unless the door is securely closed 7 Auto Touch control panel 8 Time display Digit...

Page 10: ... NOTE Some one touch cooking features such as Plus 1 Min are disabled after three minutes when the oven is not used These features are automatically enabled when the door is opened and closed or Clear Off button is pressed CONTROL PANEL ...

Page 11: ...ng results The circuits to the stirrer motor the cooling fan motor the turntable motor and the high voltage components are de energized 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 switch third door switch and door sensing switch is mechanically associated with t...

Page 12: ...the same as VERTICAL VENTING except that the final air discharge is directed horizontally out from the top rear of the oven into the customer s vent system 3 RE CIRCULATION INSIDE VENTING The air handing is the same as VERTICAL VENTING except that the final air discharge is directed horizontally through the upper front of the oven into the kitchen IN this case the accessory charcoal filter RK 240 ...

Page 13: ...3 BLK GRN YLW GRY HUMIDITY SENSOR F3 F1 F2 BLU C T FUSE RED BLK RED BLK BLU GRY WHT TTM OL FM BRN SECONDARY INTERLOCK RELAY RY2 COM N O BLK xx uF GRY BRN WHT WHT WHT GRY BRN BLK ORG GRY WHT WHT VOLTAGE HIGH BLK ORG BLK BRN BLK BLU BLU BLU WHT 1 1 1 1 BLU BLU COM N C PRIMARY SWITCH N O COM SWITCH DOOR THIRD N O COM SWITCH MONITOR N H MAGNETRON TRANSFORMER MOTOR TURN TABLE MOTOR FAN LAMP OVEN GND RE...

Page 14: ...ITCH SEC ONDARYINTERLOCKRELAY RY2 PRIMARY INTERLOCKSWITCH THIRDDOORSWITCH AND MONITOR SWITCH FOR PROPER OPERATION REFER TO CHAPTER TEST PROCEDURE NOTE C T FUSE MONITOR SWITCH AND PRIMARY INTERLOCK SWITCH ARE REPLACED AS AN ASSEMBLY THERMAL CUT OUT HOOD This thermal cut out located on the right base plate It is designed to automatically turn on the hood fan motor whenever the hot air rising from th...

Page 15: ...ock switch must also be replaced Use part FFS BA019 KiT as an assembly IMPORTANT Whenever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord 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 c...

Page 16: ...otor operate Turntable motor does not operate Oven lamp lights and fan motor operate Oven does not go into cook cycle when START pad is touched Oven seems to be operating but little or no heat is produced in oven load Food incompletely cooked or not cooked at all at end of cook cycle Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Variable cooking does not op...

Page 17: ...he water until the temperature stabilizes Record the temperature of the water 2 Place the cup of water in the oven Operate oven at POWER 10 HIGH selecting 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 t...

Page 18: ...the rectifier is probably defective and should be replaced 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions NOTE Be sure to use an ohmmeter that will supply a forward bias voltage of more than 6 3 volts HIGH VOLTAGES ARE PRESENT AT THE HIGH VOLTA...

Page 19: ...or and block it open 3 Discharge high voltage capacitor 4 Isolate the switch and connect the ohmmeter to the common COM and normally open NO terminal of the switch The meter should indicate an open circuit with the door open and a closed circuit with the door closed If improper operation is indicated replace the door sensing switch 5 Reconnect all leads removed from components during testing 6 Rei...

Page 20: ...e sure that the primary interlock switch and the secondary interlock relay are operating properly according to the above Switch Test Procedure Disconnect the wire lead from the monitor switch COM terminal Check the monitor switch operation by using the ohmmeter as follows When the door is open the meter should indicate a closed circuit When the monitor switch actuator is pushed by a screw driver t...

Page 21: ...ST 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 If the motor does not turn touch the FAN button once and check voltage between pins 1 and 2 Blue and Black wires of the 6 pin connector If 120 Volts appear and the hood capacitor is good replace the hood fan assembly If 120 Volts does not appear check the motor ci...

Page 22: ...t the power supply cord after the outer case is installed 6 Run the oven and check all functions The following symptoms indicate a defective key unit a When touching the pads a certain pad produces no signal at all b When touching a number pad two figures or more are displayed c When touching the pads sometimes a pad produces no signal If the key unit is defective 1 Disconnect the power supply cor...

Page 23: ...close the door or short the door sensing switch connecter Use the Key unit matrix indicated on the control panel schematic and place a jumper wire between the pins that correspond to the CLEAR OFF pad making momentary contact If the control unit responds by clearing with a beep the key unit is faulty and must be replaced If the control unit does not respond it is faulty and must be replaced If a s...

Page 24: ...moved from components during testing 13 Re install the hood intake duct R 14 Re install the outer case cabinet 15 Reconnect the power supply cord after the outer case is installed 16 Run the oven and check all functions O DEFROST CENTER TEST 1 Open the door 2 Place one cup of water in the center of the turntable tray in the oven cavity 3 Close the door 4 Touch the DEFROST pad once 5 Touch the numb...

Page 25: ...D EXHAUST LOUVER REMOVAL REMOVAL OF OVEN FROM WALL and OUTER CASE REMOVAL 2 Open the door and block it open 3 To discharge high voltage capacitor wait for 60 seconds 4 Remove the hood intake duct R 5 Disconnect the leads to the primary of the power transformer 6 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 7 After that procedure re connect...

Page 26: ...ION 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 P NOISE ...

Page 27: ...ntable motor hood motor and light the oven lamp and hood lamp 8 Indicator Circuit This circuit consists of 22 segments and 3 common electrodes using a Light Crystal Display 9 Back Light Circuit A circuit to drive the back light Light emitting diodes LD1 LD4 The touch control section consists of the following units as shown in the touch control panel circuit 1 Key Unit 2 Control Unit The Control un...

Page 28: ...n key matrix is touched a corresponding signal out of P20 P21 P22 P25 and P26 will be input into P46 When no key is touched the signal is held at H level 21 P45 IN Signal similar to P46 When either G11 line on key matrix is touched a corresponding signal will be input into P45 22 P44 IN Signal similar to P46 When either G10 line on key matrix is touched a corresponding signal will be input into P4...

Page 29: ...uring Hood lamp OFF 43 P15 OUT Terminal not used 44 P14 OUT Hood motor driving signal To turn on and off relay RY4 L level During Hood motor ON H level During Hood motor OFF 45 47 P13 P11 OUT Terminal not used 48 50 SEG24 SEG22 OUT Terminal not used 51 72 SEG21 SEG0 OUT Segment data signal Connected to LCD The relation between signals are as follows LSI signal Pin No LCD Pin No LSI signal Pin No L...

Page 30: ...etween the touch control panel and the oven itself is so short that the two can t be separated For those models check and repair all the controls sensor related ones included of the touch control panel while keeping it connected to the oven B On some models the power supply cord between the touch control panel and the oven proper is long enough that they may be separated from each other For those ...

Page 31: ... of the following conditions exist 1 Door does not close firmly 2 Door hinge support or latch hook is damaged 3 The door gasket or seal is damaged 4 The door is bent or warped 5 There are defective parts in the door interlock system 6 There are defective parts in the microwave generating and transmission assembly 7 There is visible damage to the oven Do not operate the oven 1 Without the RF gasket...

Page 32: ... from power supply before removing outer case 2 Discharge the high voltage capacitor before touching any oven components or wiring POWER TRANSFORMER REMOVAL 1 Disconnect the power supply cord remove the oven from wall and remove outer case Refer to procedure of Removal of Oven from Wall and Outer Case Removal And proceed as follows 2 Open the door and block it open 3 To discharge the high voltage ...

Page 33: ...ge and the fan duct And remove the hood intake duct R 5 Disconnect the high voltage wire lead with high voltage rectifier from the magnetron 6 Disconnect filament lead of the transformer from high voltage capacitor 7 Disconnect high voltage wire A from capacitor HIGH VOLTAGE RECTIFIER AND HIGH VOLTAGE CAPACITOR REMOVAL 8 Remove the fan duct assembly from the oven cavity referring to the procedure ...

Page 34: ...an blade with your hand 16 Now the fan blade will be free CAUTION Do not reuse the removed fan blade because the hole for shaft may be larger than normal 17 Remove the two 2 screws holding the fan motor to the fan duct 18 Now the fan motor is free INSTALLATION 1 Install the fan blade to the fan motor shaft according to the following procedure 2 Hold the center of the bracket which supports the sha...

Page 35: ...6 Screw the oven lamp off from the lamp socket 7 Now the oven lamp is free 8 Pull the wire leads from the oven lamp socket by pushing OVEN LAMP and Lamp Socket REMOVAL POSITIVE LOCK CONNECTOR NO CASE TYPE REMOVAL 1 Disconnect the power supply cord and remove the oven from wall and remove outer case Refer to procedure of Removal of Oven from Wall and Outer case Removal 2 Open the door and block it ...

Page 36: ...sition and the monitor switch is in the middle position 2 Re connect wire leads to each switch Refer to pictorial diagram 3 Secure the latch hook with two 2 mounting screws to oven cavity front flange 4 Make sure that the monitor switch is operating properly and check continuity of the monitor circuit Refer to chapter Test Procedure and Adjustment procedure ADJUSTMENT 1 Disconnect the power supply...

Page 37: ...ssembly DOOR REPLACEMENT DOOR ASSEMBLY REMOVAL After any servicing make sure of the following 1 Door latch heads smoothly catch latch hook through latch holes and that latch head goes through center of latch hole 2 Deviation of door alignment from horizontal line of cavity face plate is to be less than 1 0mm 3 Door is positioned with its face pressed toward cavity face plate 4 Re install outer cas...

Page 38: ...not bend or warp the slit choke tabs on the door panel assembly to prevent microwave leakage DOOR FRAME ASSEMBLY 11 Remove two 2 screws holding the door panel to the door frame assembly 12 Release the door panel from the door frame assembly NOTE Itiseasiertoreleasetheengagingpartsoftheupper or lower door hinge pin side at first 13 Now door frame assembly is free LATCH SPRING LATCH HEAD AND DOOR PA...

Page 39: ...CN A RY1 N O RY1 COM RY2 N O RY2 COM GRY HOOD FAN MOTOR 1 2 3 4 5 6 RED YLW BLU BLK RED YLW BLU BLK 1 2 RED GRN 1 2 3 4 5 6 7 YLW BLK BLK RED CN A HOOD FAN THERMAL CUT OUT GRY WHT GRY WHT GRN to Right Base Plate BLK BRN GRY GRY WHT BLK B L K WHT COM COM N O N O RY1 RY2 T1 1 2 POWER UNIT CN B BLK 9 BRN 8 1 2 3 4 5 GRY CN C BRN BRN W H T ORG BLK GRN GRN WHT BLU RED GRY BLK WHT NOISE FILTER BOARD N H...

Page 40: ...40 CFMV156DBD CFMV156DSD CFMV156DCE 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 Unit Circuit ...

Page 41: ...41 CFMV156DBD CFMV156DSD CFMV156DCE 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 LSI Unit Circuit H H ...

Page 42: ...42 CFMV156DBD CFMV156DSD CFMV156DCE 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 4 Printed Wiring Board ...

Page 43: ...KB009MRY0 Hood lamp glass assembly CFMV156DBD CFMV156DCE 1 AN 22 FANGKB029MRY0 Hood lamp glass assembly CFMV156DSD 1 AG 23 PCOVPB096MRT0 Base cover CFMV156DBD CFMV156DCE 1 AH 23 PCOVPB097MRT0 Base cover CFMV156DSD 1 AV CONTROL PANEL PARTS 24 CPWBFB100MRU0 Control unit 1 BE 25 HPNLCB201MRR0 Control panel sub assembly CFMV156DBD 1 AX 25 HPNLCB198MRR0 Control panel sub assembly CFMV156DSD 1 AX 25 FPN...

Page 44: ... MISCELLANEOUS 64 CFZK B816MRK0 Installation material assembly 1 AH 65 Eliminated Grommet 1 AC 66 LX BZ0195WRE0 Toggle screw 4 AC 67 XBPS750P85000 Screw 5mm x 85mm 2 AA 68 XOTS740P12000 Screw 4mm x 12mm 3 AA 69 XTSS750P35000 Screw 5mm x 35mm 6 AA 70 XWHS750 16300 Washer 2 AA 71 LANG B002MRP0 Scale plate 2 AD 72 TINSEB445MRR2 Operation manual 1 AD 73 TINSKB108MRR0 Top template 1 AB 74 See note 1 Hi...

Page 45: ... B C D E F G H OVEN AND CABINET PARTS 84 40 21 47 46 8 77 48 47 76 12 84 84 84 84 84 84 19 37 45 38 36 80 23 11 84 14 84 84 3 9 22 80 8 51 36 44 43 50 35 6 5 84 84 85 84 18 39 85 7 14 11 33 32 41 36 84 84 84 20 49 81 16 84 84 42 10 84 9 13 1 34 84 4 78 79 17 83 83 83 8 82 15 84 ...

Page 46: ...46 CFMV156DBD CFMV156DSD CFMV156DCE CONTROL PANEL PARTS 62 60 59 31 55 56 61 62 63 58 57 54 74 75 28 84 25 26 27 24 29 64 66 70 71 68 69 67 30 DOOR PARTS MISCELLANEOUS ...

Page 47: ... 33 TURNTABLE TRAY TOP PAD BOTTOM PAD PACKING CASE ACCESSORY PACK WRAP COVER DOOR PAD Non replaceable items DOOR PROTECTOR GREASE FILTER x 2 80 INSTALL MATERIAL ASSEMBLY 64 72 OPERATION MANUAL 73 TOP WALL TEMPLATE EXHAUST DAMPER ASSEMBLY 81 52 INSTALLATION INSTRUCTIONS PACKING AND ACCESSORIES ...

Page 48: ...OLUX CANADA CORPORATION ALL RIGHTS RESERVED Nopartofthispublicationmaybereproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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