Samsung SMH9151S Service Manual
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Samsung SMH9151S Service Manual

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See also: User Manual
BASIC:
SMH9151S
MODEL:
SMH9151BE
MODEL CODE: SMH9151BE/XAA
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Part List
6. PCB Diagrams
7. Wiring Diagrams
8. Schematic Diagrams

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Summary of Contents for Samsung SMH9151S

  • Page 1 BASIC: SMH9151S MODEL: SMH9151BE MODEL CODE: SMH9151BE/XAA 1. Precaution 2. Product Specification 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Part List 6. PCB Diagrams 7. Wiring Diagrams 8. Schematic Diagrams...

  • Page 2: Table Of Contents

    • Contents 1. Precaution ................3 1-1 Safety precautions .

  • Page 3: Precaution

    1. Precaution...

  • Page 4: Safety Precautions

    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.

  • Page 5: Special High Voltage Precautions

    1. Precaution 1-2 Special High Voltage Precautions 1. High Voltage Warning Do not attempt to measure any of H . V . Capacitor the high voltages --this includes the filament 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 1-1)

  • Page 6: Specifications

    2. Specifications 2-1 Features Product Features • Stirrer and Turntable Continually rotates food to ensure even cooking. • Instant Cook Instant On Controls - Allow quick, one touch cooking and reheating. Two speed, 300CFM venting system - Quickly removes smokr and • Venting System steam from cook top 2-2 Accessory Item Description...

  • Page 7: Table Of Specifications

    2. Specifications 2-3 Table of Specifications Basic Model New Model Items SMH9151S SMH9151BE Cavity Size (cu .ft .) 1 .6 1 .6 Power Power Source 120 V / 60 Hz 120 V / 60 Hz Output Power (Watts) 1000 1000 Power Consumption (Watts/Amp) 1580/13 .5 1580/13 .5...

  • Page 8: Disassembly And Reassembly

    3. Disassembly and Reassembly MAGNETRON, MOTOR ASSEMBLY, VENT BLOWER AND HIGH VOLTAGE TRANSFORMER Oven must be removed from wall. REMOVING OVEN FROM WALL (2 PEOPLE REQUIRED) Oven is hooked on metal tabs at bottom of wall mounting plate and to cabinet by (3) top cabinet bolts . 3-1 Replacement of High Voltage Transformer Parts Explaination Photo...
  • Page 9 3. Disassembly and Reassembly 3-1 Replacement of High Voltage Transformer Parts Explaination Photo Explaination 4. Discharge the High voltage capacitor . High voltage capacitor 5. Disconnect all the leads . Base 6. Remove Base Bottom bottom . HV Trans 7. Take out the HV Trans .

  • Page 10: Replacement Of Magnetron

    3. Disassembly and Reassembly 3-2 Replacement of Magnetron Parts Explaination Photo Explaination Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly) . 1. Disconnect all lead wires from the magnetron .

  • Page 11: Replacement Of Door Assembly

    3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Parts Disassembly Photo Explaination 1. Insert flat screwdriver into the gap between Door Removal of “A” and Door “C” to remove Door “C” . Be careful Door Assembly when handling Door “C” because it is fragile .Then remove the door assembly .
  • Page 12 3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Removal of 4. Remove 2 screws, then handle is detached from Handle Door “A” . 5. Following the procedure as shown in the figure, insert and bend a thin metal plate between Door Removal of “E”...

  • Page 13: Replacement Of Fuse

    3. Disassembly and Reassembly 3-4 Replacement of Fuse Parts Explaination Photo Explaination The fuse is located on the noise filter. 1. Disconnect power and remove grille . 2. Replace the fuse . 3. When 20A fuse blows out by the operation of interlock monitor switch failure, replace the primary interlock switch, secondary Fuse...

  • Page 14: Removal Of Stirrer

    3. Disassembly and Reassembly 3-6 Removal of stirrer Parts Explaination Photo Explaination The stirrer is motor driver and located on the upper side of the cavity . The oven uses a top feed wave guide . The stirrer is located in the wave guide and the motor is located on the wave guide .

  • Page 15: Replacement Of Control Circuit Board

    3. Disassembly and Reassembly 3-7 Replacement of Control Circuit Board Parts Explaination Photo Explaination 1. Disconnect power and remove grille . 2. Be sure to ground any static electric charge in your body and never touch the control circuit . Removal of Control Box 3.

  • Page 16: Replacement Of Cooktop Lamp

    3. Disassembly and Reassembly 3-8 Replacement of Cooktop lamp When replacing the night light, make sure that you are wearing gloves to avoid injury from the heat of the bulb . Parts Explaination Photo Explaination 1. Unplug the oven or turn off the power at the main power .

  • Page 17: Replacement Of Oven Light

    3. Disassembly and Reassembly 3-9 Replacement of Oven Light Parts Explaination Photo Explaination 1. Remove the Grille 2. Remove the COVER LAMP by push Oven Light the hook and put up the lever . 3. Replace the bulb with a 40 watt appliance bulb .

  • Page 18: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Parts checking method Parts Photo Good No Good Fuse 0.1 ~ 1 Ω 100 MΩ exceed T .C .O 0.1 ~ 1 Ω 100 MΩ exceed 1 ~ 9 Ω H .V Trans 100 MΩ exceed 100 ~ 990 Ω...

  • Page 19: Error Code Numbering Rule

    4. Troubleshooting 4-2 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, Temp . Sensor = 2, . . . 3.
  • Page 20 4. Troubleshooting Weight Sensor Error Gas Sensor Error Case (E-1X) Solution Page Code 21 Page E-31 Open (When value of HEX is above “FF” for 5 seconds) 22 Page E-32 Short In case the initial value of HEX is under “14” for 30 E-33 seconds while a weight sensor in operation .

  • Page 21: Electrical Malfunction

    4. Troubleshooting 4-4 Electrical Malfunction 4-4-1 E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61 Sensor Open Error (E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61) : Check if the sensor housing is inserted into the connector Connect the sensor.
  • Page 22 4. Troubleshooting 4-4-2 E-12, E-22, E-28, E-32, E2A, E-2C ,E-42, E-2C, E-42 or E-62 Sensor Short Error (E-12, E-22, E-28, E-32, E2A, E-2C, E-42, or E-62) : Check if both terminals of the sensor are slightly shorted. Remove the shorted part Is the sensor shorted? of the temperature sensor.
  • Page 23 4. Troubleshooting 4-4-3 E-13, E-14, E-43, E-44, E-63 Sensor Max Time Error (E-13, E-14, E-43, E-44, E-63) Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
  • Page 24 4. Troubleshooting 4-4-4 -SE- Key Short Error (- SE -) Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
  • Page 25 4. Troubleshooting 4-4-5 E-33, E-34 or E-35 Weight Sensor Error (E-33, E-34 or E-35) Has the turntable been placed over the roller properly? Place the turntable over the roller properly. Is the weight sensor Remove the foreign contaminated by any foreign substance.
  • Page 26 4. Troubleshooting 4-4-6 E-36 or E-47 Door Open Error(PH-Sensor, Weight Sensor), (E-36 or E-47) Was the door open during Close the door. the operation? Check the Door S/W : Check the housing connected to Is the door sensing part normal? and the housing.
  • Page 27 4. Troubleshooting 4-4-7 E-45 Cooling Error (E-45) : To remove moisture from the sensor, open the door for 5 minutes. Remove any moisture Is the sensor wet? of the sensor. sensor : Check if the GND and sensor terminal Check the sensor Is the sensor voltage over 3V? is maintained over 3V continuously during terminal and housing.
  • Page 28 4. Troubleshooting 4-4-8 E-51, E-53 or E-54 EEPROM Error (E-51, E-53, or E-54) Insert and solder : An R4LCO40 or 24LCO4 EEPROM EEPROM이 삽입 되었는가? Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed.
  • Page 29 4. Troubleshooting 4-4-11 E-0b, E-2b, E-2C, 0t Cooling Fan Motor Sensor Error (E-0b, E-2b, E-2C, Ot) Is the temperature An “E-2b” error sensor of the PCB open? occurred. Insert the Was there a short- temperature sensor. circuit in the temperature An “E-2C, 0t”...
  • Page 30 4. Troubleshooting 4-4-12 E-23, E-26 Preheating Error (E-08, E-23, E-26) : Check the voltages of both heater terminals. Check the heater Does the heater work? related drive part. Heater terminal Replace the Is the heater temperature heater. very low? : After operating the heater for more then 10 minutes check if the heater temperature remains low.
  • Page 31 4. Troubleshooting 4-4-13 E-02, E-03, E-04 or E-05 Cooling Time Over Selection Error (E-02, E-03, E-04, or E-05) Is this happening during the MW operation? Is it happening during the Grill operation? Over Time is Over Time is set? set? Is it happening during the Convection...
  • Page 32 4. Troubleshooting 4-4-14 E-24 Oven Temperature Error (E-24) “E-09, E-24, E-0A” 가 표시된다 Is the oven internal temperature An “E-09” error maintained over 320 degrees? occurred. Has the oven internal temperature An “E-24, E-0A” error reached over 350 degrees? occurred. Reconnect the Is the temperature sensor temperature...
  • Page 33 4. Troubleshooting 4-4-15 E-25 Initial Temperature Error (at MW mode), (E-25) Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state. Connect it Is the sensor connectivity properly...
  • Page 34 4. Troubleshooting 4-4-16 E-06 Swing Heater Detection Error (E-06) Is the oven in Bake Toast mode? Has the switch heater After waiting for 20 seconds, check if the micro-switch has operated for 20 seconds? been detected. The micro-switch is Has the micro-switch defective Replace it.
  • Page 35 4. Troubleshooting 4-4-17 If oven malfunction *Inspection method Oven does not operate. Is Primary interlock Is Fuse OK? switch normal? Is Power Relay normal? Is the magnetron Replace switch temperature switch normal? Power supply circuit check point Do check power supply Is SMPS power supply cirduit normal? circuit...
  • Page 36 4. Troubleshooting 4-4-18 If button malfunction Buttons of the control panel do not work. *Inspection method Are button pressed Refer to User Manual in the correct order? Tact type Is the connector of the control panel normal? Replace PCB. Menbrane type...
  • Page 37 4. Troubleshooting 4-4-19 If food is not heated even though an oven works *Inspection method Food is not heated even though an oven works. Is the latch switch Method to control latch switch operating normally? Checking high voltage circuits...

  • Page 38: Exploded Views And Parts List

    5. Exploded Views and Parts List 5. Exploded Views and Parts List 5-1 Exploded Views P007 P012 P013 M086 P032 M024 P014 M061 P039 T017 M015 M001 M036 U003 T001 P030 M030 M206 P426 M040 M068 M039 M041 M042 P001 H018 M202 M098 M029...

  • Page 39: Main Parts List

    5. Exploded Views and Parts List 5. Exploded Views and Parts List 5-2 Main Parts List (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty Remark B001 3405-001034 SWITCH-MICRO 125/250VAC,16A,200GF,SPST-N B002 3405-001033 SWITCH-MICRO 125/250VAC 16A,200GF,SPSTNC B006 DE66-00168A LATCH-BODY MODULAR-2,PP,-,-,-,-,- B013 DE66-90106B LEVER-SWITCH LOWER...
  • Page 40 5. Exploded Views and Parts List 5-2 Main Parts List (Continued) (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty Remark P030 DE59-50002A CAPACITOR-MOTOR SH-M 10UF,220V10UF,-,DMB CAVITY UPPER P032 DE92-90508A ASSY-HOLDER NUT OTR6,-,-,-,-,- PANEL OUTER P039 DE67-00242A DUCT-UPPER MODULAR3,PP,T1 .5,-,-,-,- P087 DE60-10111A SCREW-LAG...

  • Page 41: Door Parts List

    5. Exploded Views and Parts List 5. Exploded Views and Parts List 5-3 Door Parts List D006 D005 D004 D011 D007 D024 D002 D020 D049 (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark D002 DE64-01949C DOOR-A SMH8165BG/XAA,PC,-,-,-,-,-,- D004 DE94-01469G...

  • Page 42: Control Parts List

    5. Exploded Views and Parts List 5. Exploded Views and Parts List 5-4 Control Parts List C082 C003 C001 P157 C005 C009 C004 (SNA : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark C001 DE94-01806M ASSY CONTROL PANEL SMH9151BE/XAA,BLACK,M ASSY CTRL BOX C003...

  • Page 43: Standard Parts List

    5. Exploded Views and Parts List 5. Exploded Views and Parts List 5-5 Standard Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty Remark 6002-000643 SCREW-TAPPING TH,+,2S,M4,L10,ZPC(YEL),SW C/FRONT + B/PLATE,C/UPPER + C/FRONT 6002-001173 SCREW-TAPPING FH,+,2S,M4,L12,ZPC(BLK),MS GRILLE,P/OUTER SIDE 6003-001568 SCREW-TAPTITE FH,TORX,-,B-TITE,M4,L14,NI...

  • Page 44: Pcb Diagrams

    6. PCB Diagrams 6. PCB Diagrams 6-1 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 45: Pcb Diagrams

    6. PCB Diagrams 6-2 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 46: Wiring Diagrams

    7. Wiring Diagrams 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 47 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 48: Schematic Diagrams

    8. Schematic Diagrams 8. Schematic Diagrams 8-1 Schematic Diagrams (This Document can not be used without Samsung’s authorization) CN02 CN01 SMW250-09AV_RED SMW250-03AV_RED LIVE LIVE LIVE NEUTRAL RY-V CN03 SMW250-05V_WHT RY-V LED-S2 LED-S3 LED-S4 LED-S5 LED-S6 LED-S7 LED-S8 KEY-OUT DSP1 CSE-4046G-10...
  • Page 49 .samsungportal .com cis .samsungportal .com Europe europe .samsungportal .com China china .samsungportal .com Asia asia .samsungportal .com Mideast & Africa mea .samsungportal .com © Samsung Electronics Co ., Ltd . September . 2009 Printed in Korea Code No . : DE68-05554A...

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