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Samsung CE2718NR manual

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Table of contents for the manual

  • Page 1

    Refer to the service manual in the GSPN(see rear cover) for the more information. 1. Precaution 2. ProductSpecication 3. Disassembly and Reassembly 4. T roubleshooting 5. Exploded Views and Part List 6. PCB Diagrams 7. Wiring Diagrams 8. Schematic Diagrams BASIC: CE2718NR MODEL: CE2718NR MODEL CODE: CE2718NR/SBW[...]

  • Page 2

    2 • Contents 1. Precaution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1-1 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 [...]

  • Page 3

    3 1. Precaution[...]

  • Page 4

    4 1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( ) 1. All repairs should be done in accordance with the[...]

  • Page 5

    5 1. Precaution 1-2 Special High V oltage Precautions 1. High V oltage Warning Do not attempt to measure any of the high voltages --this includes the lament voltage of the magnetron. High voltage is present during any cook cycle. Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure[...]

  • Page 6

    6 2.Specications 2-1 Features Product Features - Door Open Method : Push Button - Microwave Distribution : T urn T able 2-2T ableofSpecications Items Model Model Basic Model New Model CE2718NR/BWT CE2718NR/SBW Power Source 230V ~ 50 Hz 230V ~ 50 Hz Power Consumption Microwave 1200W 1200W Grill 1 100W 1 100W Combined Mode 2300W 230[...]

  • Page 7

    7 2.Specications 2-3 Accessory Item Description Code No. Q’ty Coupler DE67-00140A 1 Assy-Guide Roller DE97-00193B 1 T ray-cooking DE74-20102B 1 Assy-Wire Rack DE74-70071D 1[...]

  • Page 8

    8 3. Disassembly and Reassembly Parts Explaination Photo Explaination Magnetron, Motor Assembly and Lamp 1. Disconnect all lead wires from the magnetron and lamp. 2. Remove a screw securing air cover . 3. Remove the air cover . 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, permanent magnet, ch[...]

  • Page 9

    9 3. Disassembly and Reassembly Parts Explaination Photo Explaination Magnetron, Motor Assembly and Lamp 4 . Remove screws securing the magnetron to the wave guide. 5. T ake out the magnetron very carefully . 6. Remove two screws from the back panel. 7. T ake out the fan motor . 3-1 Disassembly of Magnetron, Motor Assembly and Lamp[...]

  • Page 10

    10 3. Disassembly and Reassembly Parts Explaination Photo Explaination Magnetron, Motor Assembly and Lamp 8. Remove the oven lamp from hole of air cover . NOTE1: When removing the magnetron, make sure that its antenna does not hit any adjacent parts, or it may be damaged. NOTE2: When replacing the magnetron, be sure to remount the magnetron gasket [...]

  • Page 11

    1 1 3. Disassembly and Reassembly 3-2 Replacement of High V oltage T rancefomer Parts Explaination Photo Explaination High V oltage T ransformer 3. Remove the mounting bolts. 4. Replace the High V oltage T ransformer 5. After replace, reconnect the leads correctly and rmly . PRECAUTION Servicemen should remove their watches whenever working clos[...]

  • Page 12

    12 3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Parts Disassembly Photo Explaination Removal of Door Cap Door Cap Insert at screwdriver into the gap between Door “A” and Door Cap to remove Door Cap. Removal of Door “C” and Door Assembly Insert at screwdriver into gap between Door “A” and Door “C” to remove Do[...]

  • Page 13

    13 3. Disassembly and Reassembly 3-4 Replacement of Drive Motor Parts Explaination Photo Explaination Drive Motor 1. T ake out the glass tray , guide roller from oven cavity , disconnect power . 2. Remove turn table motor cover from case bottom. CAUTION : Remove sharp edge after cover removal. 3. Disconnect leads from motor . 4. Remove the screws s[...]

  • Page 14

    14 3. Disassembly and Reassembly 3-5 Replacement of Control Circuit Board Parts Explaination Photo Explaination Removal of Control Box Assembly SCREWS CONTROL-BOX 1. Disconnect the connectors from the control box assembly . 2. Remove screws securing the control box assembly . 3. Remove the knobs of the control box Ass’y . 4. Remove the screw secu[...]

  • Page 15

    15 4. T roubleshooting 4-1 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven.(CMO, OTR, Grill, Convection, Commercial etc.) 2. All sensors and devices have their own number . ex) Gas Sensor = 1, T emp. Sensor = 2, ... 3. Of each device, No.1 and No.2 refer to “Open Error” (not sensed) and “Short[...]

  • Page 16

    16 4. T roubleshooting Weight Sensor Error Code Gas Sensor Error Case (E-1X) Solution Page E-31 Open (When value of HEX is above “FF” for 5 seconds) Check Sensor . 19 Page E-32 Short 20 Page E-33 In case the initial value of HEX is under “14” for 30 seconds while a weight sensor in operation. 23 Page E-34 In case the initial value of K calc[...]

  • Page 17

    17 4. T roubleshooting 4-3 Electrical Malfunction YES NO NO YES NO YES NO “E-1 1, E-21, E-27, E-29, E-31, E-32, E-41, E-46, E-61, or E-62” is displayed. Perform the operation again and check if it is working properly . : Check if the sensor housing is inserted into the connector of the main PCB. The sensor is out of order . Is the sensor discon[...]

  • Page 18

    18 4. T roubleshooting : Check if both terminals of the sensor are slightly shorted. Does the voltage change as the humidity , temperature and weight cha Is the sensor terminal part of the PCB shorted? : Check if the voltage of the GND and sensor changes using a digital multi-meter by forcefully changing the humidity , temperature and weight. : Che[...]

  • Page 19

    19 4. T roubleshooting YES NO YES NO NO YES “E-13, E-14, E-43, E-44, E-63,” is displayed.. Perform the operation again and check if it is working properly . : Since heating without placing food into the oven may damage the product, take care. The sensor is out of order . Is any foreign substance on the sensor or is something acting as an obstac[...]

  • Page 20

    20 4. T roubleshooting YES NO YES NO NO YES YES NO “- SE -” is displayed. Perform the operation again and check if it is working properly . S/W Error Is a specific key not recognized? Is the key recognized intermittently? The membrane is defective. Replace the Control Panel. Is the key not recognized at all? After Power > On, does the sympto[...]

  • Page 21

    21 4. T roubleshooting NO YES NO NO YES “E-33, E-34 or E-35” is displayed. Perform the operation again and check if it is working properly . The sensor is out of order . Does the roller turn and press against the weight sensor? Is the weight sensor contaminated by any foreign substance? Replace the sensor . : Check if the turntable turns abnorm[...]

  • Page 22

    22 4. T roubleshooting YES YES NO NO YES NO “E-36 or E-47” is displayed. : Check the housing connected to the door S/W and PCB and if it is opened or shorted intermittently . Close the door . Check the Door S/W and the housing. W as the door open during the operation? Perform the operation again and check if it is working properly . S/W Error I[...]

  • Page 23

    23 4. T roubleshooting Is the sensor voltage over 3V? Does the same symptom continue after replacing the sensor? : T o remove moisture from the sensor, open the door for 5 minutes. : Check if the GND and sensor terminal is maintained over 3V continuously during the initial cooking course using a multi- meter . Remove any moisture of the sensor . Ch[...]

  • Page 24

    24 4. T roubleshooting : An R4LCO40 or 24LCO4 EEPROM is to be used. Check if a proper EEPROM has been installed. Insert and solder an EEPROM Replace the EEPROM and repair the short circuit. NO EEPROM 단자가 Open/Short 되었는가? YES NO NO EEPROM이 삽입 되었는가? S/W 오동작 YES YES YES NO “E-51, E-53, or E-54” is displayed. Has t[...]

  • Page 25

    25 4. T roubleshooting NO YES YES YES NO YES YES YES NO YES NO YES NO NO NO YES NO “dE” is displayed. Is the Cooking Mode T wing? Replace S/W Single Mode? Is divider inserted? Insert divider Is divider inserted? Is it Upper , Lower Mode? Is the Divider detection S/W out of order? Is the Divider detection S/W connected properly? Are the connecti[...]

  • Page 26

    26 4. T roubleshooting YES NO NO YES YES YES NO NO NO YES NO YES YES NO NO NO YES YES “S-01” is displayed. Perform the operation again and check if it is working properly . Re-check the Cut-Off-T ime for the corresponding internal temperature. Re-check the Cut-Off-T ime for the corresponding internal temperature. Re-check the Cut-Off-T ime for [...]

  • Page 27

    27 4. T roubleshooting YES YES YES YES NO NO NO NO YES NO “ E-0b, E-2b, E-2C, Ot” is displayed. Is the temperature sensor of the PCB open? W as there a short- circuit in the temperature sensor of the PCB? An “E-2C” error occurred. Repair the short circuit. Is the temperature of the PCB over 90°C? An “E-2b” error occurred. Insert the te[...]

  • Page 28

    28 4. T roubleshooting : Check the voltages of both heater terminals. : After operating the heater for more then 10 minutes check if the heater temperature remains low . : A normal heater ’s resistance is a few Ω. A short circuit increases the resistance to a few MΩ. YES YES NO NO NO YES YES NO YES NO “ E-08, E-23, E-26” is displayed. Is [...]

  • Page 29

    29 4. T roubleshooting NO NO NO NO YES YES YES NO YES NO NO Ex) YES YES YES YES Max T ime “E-02, E-03, E-04, or E-05” is displayed. Repeat the operation and check if it is working properly . An “E-02” error occurred. An “E-03” error occurred. An “E-04” error occurred. An “E-05” error occurred. Press the Cancel key to cancel the [...]

  • Page 30

    30 4. T roubleshooting “E-09, E-24, E-0A” 가 표시된다 Oven을 Off 하고 충분히 식힌다. NO NO YES 히터 구동부를 점검 수리한다 NO NO NO YES YES YES YES NO YES NO “ E-0A, E-09, E-24” error code is displayed. T urn the oven off and let it cool sufficiently . Is the oven internal temperature maintained over 320 degrees? H[...]

  • Page 31

    31 4. T roubleshooting NO NO NO YES YES YES YES NO An “E-25” error occurred. S/W Error Replace the PCB. Perform the operation again and check if it is working properly . Is the oven in MW mode? Is the internal temperature over 200 degrees? Is the sensor connectivity normal? An “E-25” error occurred. Press the Cancel key . Connect it properl[...]

  • Page 32

    32 4. T roubleshooting YES NO NO NO NO YES YES YES YES NO An “E-06” error code is displayed. S/W Error Replace the PCB. Perform the operation again and check if it is working properly. Is the oven in Bake Toast mode? Has the switch heater operated for 20 seconds? Has the micro-switch been detected? After waiting for 20 seconds, check if the mic[...]

  • Page 33

    33 4. T roubleshooting Is Fuse OK? *Inspection method Power supply circuit check point Relay control circuit check point Oven does not operate. Is the magnetron temperature switch normal? Is SMPS power supply cirduit normal? NO NO Is Primary interlock switch normal? Is Power Relay normal? YES YES YES YES YES YES NO NO NO YES NO NO Replace switch Do[...]

  • Page 34

    34 4. T roubleshooting NO NO Refer to User Manual Menbrane type T act type YES YES Buttons of the control panel do not work. *Inspection method Are button pressed in the correct order? Is the connector of the control panel normal? Replace PCB. 4-3-18 If button malfunction[...]

  • Page 35

    35 4. T roubleshooting NO Is the latch switch operating normally? Food is not heated even though an oven works. *Inspection method Method to control latch switch Checking high voltage circuits YES 4-3-19 If food is not heated even though an oven works[...]

  • Page 36

    36 5. Exploded V iews and Parts List 5-1 Exploded V iews M001 M1 13 M005 M031 M049 M039 M040 M041 M003 M023 H018 M020 M030 M017 M022 M095 M008 M094 H013 M035 M037 M015 M058 P186 T030 W002 M042 M036 M038 M047 M048 B018 M099 B006 B001 B009 B002 M045 T001 T017 M034 B024 M051 M204[...]

  • Page 37

    37 5. Exploded V iews and Parts List (S.N.A : SER VICE NOT A V AILABLE) Level No. Code No. Description Specication Q’ty SA/ SNA Remark 1-1 M036 4713-001046 LAMP-INCANDESCENT 240V ,104mA,25W ,ORG,-,- 1 SA CV/AIR 1-1 M038 DE26-00099A TRANS H.V SHV -EURO1-1,230V ,50Hz,2330V ,3. 1 SA - 1-1 M049 DE31-10154A MOTOR SYNCHRONOUS M2HJ49ZR02,ST -16,50/60[...]

  • Page 38

    38 5. Exploded V iews and Parts List (S.N.A : SER VICE NOT A V AILABLE) Level No. Code No. Description Specication Q’ty SA/ SNA Remark 1-1 M035 OM75S(31)MTMN ASSY -MGT 1 SA - 5-2 Main Parts List[...]

  • Page 39

    39 5. Exploded V iews and Parts List 5-3 Door Parts List (S.N.A : SER VICE NOT A V AILABLE) Level No. Code No. Description Specication Q’ty SA/SNA Remark 1-1 D049 DE94-00734A ASSY DOOR CE2618NR/CE2638NR/BWT ,PURE-WHT 1 SA - 1-2 D005 DE01-001 12C FILM-DOOR -,CE2618N/CE2717N,PET ,T0.15,W1 1 SA DOOR-E 1-2 D007 DE61-00198A SPRING-KEY M1877,HSWR,PI[...]

  • Page 40

    40 5. Exploded V iews and Parts List 5-4 Control Parts List (S.N.A : SER VICE NOT A V AILABLE) Level No. Code No. Description Specication Q’ty SA/SNA Remark 1-1 C082 DE94-00610M ASSY CONTROL-BOX 230V49HZ,CE2718NR/BWT ,P 1 SNA - 1-2 C032 3501-000309 RELA Y -POWER 240V ,3750V A,15000MA,-,6MS,20 1 SA - 1-2 C024 DE45-00003A TIMER TMFK60M1A1,-,21V5[...]

  • Page 41

    41 5. Exploded V iews and Parts List 5-5 Standard Parts List (S.N.A : SER VICE NOT A V AILABLE) Level Code No. Description Specication Q’ty SA/ SNA Remark 1-1 6002-001321 SCREW-T APPING PWH,+,2S,M5,L10,ZPC(YEL) 2 SNA HVT ,MGT 1-1 6002-001325 SCREW-T APPING TH,T ORX,2S,M4,L12,ZPC(YEL) 1 SA C-BACK 1-1 6006-001 170 SCREW-T APPING TH,+,WT ,TC,M4,L[...]

  • Page 42

    42 6. Wiring Diagrams 6. Wiring Diagrams 6-1 Wiring Diagrams (This Document can not be used without Samsung’ s authorization) CONDITION OF OVEN DOOR IS OPENED BRN : BROWN WHT : WHITE RED : RED BLK : BLACK Y/G : YELLOW GREEN BLU : BLUE ORG : ORANGE YEL : YELLOW COOK OFF WIRING COLOR 1.INPUT : 230V 2.DOOR : OPEN 3.LAMP : ON 4. : P .C.B P A TTERN 5.[...]

  • Page 43

    43 6. Wiring Diagrams 6-1 Wiring Diagrams (This Document can not be used without Samsung’ s authorization) MAGNETRON F A F RED RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE B LK BLU HIGH VOL T AGE TRANSFORMER HIGH VOL T AGE CAP ACIT OR HIGH VOL T AGE DIODE T O CHASSIS H.V .FUSE[...]

  • Page 44

    GSPN (Global Service Partner Network) Contry Web Site North America service.samsungportal.com Latin America latin.samsungportal.com CIS cis.samsungportal.com Europe europe.samsungportal.com China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com © Samsung Electronics Co., Ltd. April. 2007 Printed in Kor[...]