GE SCB2000 Technical Service Manual
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GE SCB2000 Technical Service Manual

Advantium built-in oven
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See also: Owner's Manual , Instruction and Installation Manual
C
GE Consumer Home Services Training
TECHNICAL SERVICE GUIDE
Advantium™ Built-In Oven
TM
MODEL SERIES:
SCB2000
SCB2001
ZSC2000
ZSC2001
PUB # 31-9057
08/00

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Summary of Contents for GE SCB2000

  • Page 1 GE Consumer Home Services Training TECHNICAL SERVICE GUIDE Advantium™ Built-In Oven MODEL SERIES: SCB2000 SCB2001 ZSC2000 ZSC2001 PUB # 31-9057 08/00...
  • Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Consumer Home Services Training Technical Service Guide Copyright © 2000 All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Welcome to Advantium ..........2 Installation Instructions .

  • Page 4: Welcome To Advantium

    Welcome to The new Advantium™ oven uses breakthrough the cookbook for proper cookware selection and speedcook technology to cook food with light. food placement on the turntable surface. Foods cook in a fraction of the time needed in conventional ovens, with delicious results. Advantium browns, bakes, roasts, broils, and crisps just like a conventional oven, and requires no preheating.
  • Page 5 Owner’s Manual The Owner’s Manual provides the customer with detailed information on the operation, use, and care of their product. It also contains a section on helpful troubleshooting tips. GE Appliances Owner s Manual Advantium Other Features Advantium Quick Start .

  • Page 6: Installation Instructions

    • This oven can be installed over any GE single Note to Consumer: Keep these instructions with electric built-in oven or a single GE electric your Owner’s Manual for future reference.

  • Page 7: Prepare The Opening

    *45-1/4" GEA00357 GEA00356 * If you are replacing a GE electric double oven with the combined installation of a speedcook and single wall oven, Order a 30-in. wide single oven cabinet or cut the use the dimensions shown. The middle rail separating the two opening in a wall to dimensions shown.
  • Page 8 When installing the speedcook oven over a GE • Do not have a fuse in the NEUTRAL or electric warming drawer, follow the product GROUNDING circuit. A fuse in the NEUTRAL or installation instructions. GROUNDING circuit could result in an electrical •...
  • Page 9 Route Conduit Through Cutout WARNING: Securely fasten oven to cabinet using the screws provided. Failure to do so could cause Caution: Two people are required to lift the oven the oven to move or tip during use and result in into the opening.
  • Page 10 GEA00363 GEA00362 When Connecting to a 4-Conductor Branch When Connecting to a 3-Conductor Branch Circuit: Circuit: 1. Connect oven red lead to branch circuit red 1. Connect oven red lead to branch circuit red lead. lead. 2. Connect oven black lead to branch circuit 2.
  • Page 11 Notes – 9 –...

  • Page 12: Specifications

    Specifications 15" 27/32" (Recessed 14-1/8" Portion) 28-7/16" 9/16" 20-27/32" 27/32" 21-7/8" 13" 15-27/32" 29-25/32" 7/8" 15/32" 11/16" GEA00354 GEA00355 Nomenclature Speedcook Oven Configuration A = Above the cooktop GEA00414 B = Built-in style Feature Package 2000 = Color model 2001 = Stainless steel Model Year Designator Color WW = White on white...

  • Page 13: Warranty Information

    . p i o i t , y t l l i . s t What GE Will Not Cover: • Service trips to your home to teach you • Replacement of house fuses or resetting of how to use the product.

  • Page 14: Overview Of Advantium

    Overview of Advantium Oven Rack (Turntable) Upper Halogen Lamp Assembly The oven rack (turntable) must always be in Used during speedcooking only. Two place, on the oven floor, for all cooking. Be 1500-watt halogen lamps provide heat from sure the oven rack (turntable) is seated se- the top of the oven cavity.

  • Page 15: Control Panel Features

    Control Panel Features START SPEED POWER MICRO TIMER LEVEL PAUSE COOK WAVE BACK REPEAT LAST OVEN LIGHT MICRO MANUAL CLEAR OPTIONS HELP COOK EXPRESS RECIPE Selector Dial GEA00416 SPEEDCOOK/REPEAT LAST MICROWAVE/OVEN LIGHT Press this button to access the preset speedcook Press this button to operate the microwave.
  • Page 16 Notes – 14 –...

  • Page 17: How To Speedcook

    How to Speedcook To Select a Speedcook Program: 1. Press the SPEEDCOOK button. 2. Turn the selector dial to select the type of food you want. Press the dial to enter it. 3. Turn the dial to select the specific food. Press the dial to enter it.

  • Page 18: Operating Characteristics

    Operating Characteristics Table of Contents Power Levels ........... 17 Upper Halogen Lamp Pair .

  • Page 19: Power Levels

    Power Levels Example: Upper element set at 80% (U=08), lower element set at 50% (L=05), and microwave Advantium uses power from high-intensity halogen set at 30% (M=03). lamps, as well as microwave energy, to cook foods evenly and quickly (average of one-fourth the time of a conventional oven) to seal in moisture and Select UPPER POWER: 5:00...

  • Page 20: Microwave Energy

    Microwave Energy (M=) speedcooking selection that is chosen. The chart below shows the predicted compensation times Microwave energy is provided by the high voltage/ based on a 5-minute speedcook selection (such magnetron circuit and directed via the wave guide as: Biscuits, Refr; Large; 8 biscuits). directly into the oven cavity.

  • Page 21: Thermal Compensation

    85% of 32 seconds. The upper rear halogen lamp resistance changes rapidly with small changes in will cycle off just prior to the upper front. temperature. In fact, you can squeeze the thermistor and see the resistance change fairly quickly. At room temperature, the thermistor Thermal Compensation should read approximately 200K to 250K ohms.
  • Page 22 Notes – 20 –...

  • Page 23: Thermal Compensation Test

    Thermal Compensation Test What is important to note is that while the power levels have been reduced (thermal compensation), To better understand this operation, you can the power levels which will show in the display (if perform the following test (only if the oven cavity is you touch the power level pad while speedcooking at room temperature).

  • Page 24: Thermal Safety

    As was the case with thermal compensation, the control is provided by the thermistor and smart board, with the thermistor sensing the oven cavity THERMAL temperature and the smart board providing the FUSE proper responses to lower all power levels to 7. DAMPER MOTOR DOOR...

  • Page 25: Damper Door Open

    Damper Door Open: • Speedcooking - At the start of speedcooking operation, the damper door will close, sealing The following illustration shows the position of the off the damper duct from the oven cavity. The metal damper door in the open position. In this damper door will remain in the closed position position, air blowing through and across the during the entire speedcook operation,...

  • Page 26: Exhaust Motor

    Upper and Lower Halogen Blowers The upper and lower halogen blowers only run during speedcook operations (speedcook recipe or manual speedcook selections). Both motors pull in fresh air from outside the unit and direct the air across the halogen lamps. LOWER HALOGEN UPPER HALOGEN BLOWER...

  • Page 27: Air Flow Diagram

    Air Flow Diagram EXHAUST POWER AIR FLOW UPPER HALOGEN BLOWER AIR FLOW LOWER HALOGEN BLOWER AIR FLOW MAGNETRON FAN AIR FLOW GEA00570 – 25 –...

  • Page 28: Mechanical Disassembly

    Mechanical Disassembly Table of Contents Serviceability With Oven Installed ........27 Remove Oven Door .

  • Page 29: Serviceability With Oven Installed

    3. To remove the door handle, remove 2 screws Serviceability With Oven Installed and 2 E-rings from the holder handle. The following component can be accessed from 4. To remove the glass mount, remove 6 screws the front of the oven with the unit installed: from the bottom of the door frame.

  • Page 30: Remove Oven Cavity Lamps

    1. Remove 4 mounting screws located in the 2. Remove 2 screws holding the lamp housing in front oven frame. place. Screws Screws GEA00442 3. Slide the housing out from under the tabs. Tabs Tabs GEA00342 GEA00443 2. Slide the oven forward, out of the cabinet or wall opening.

  • Page 31: Interlocks And Monitor

    To Remove the Left Access Covers: 1. Remove the top access cover (see previous procedure). 2. Remove 8 screws from the left access cover and lift off the cover. To Remove the Rear Access Cover: 1. Remove the top, right, and left access covers (see previous procedures).

  • Page 32: Remove And Adjust Door Latches

    5. Test the circuit operation. To Adjust the Left Latch Assembly: a. Connect temporary jumper leads across 1. Remove the door switch access cover on the relay contacts, and primary interlock and left access panel. door sensing switches to simulate shorted 2.

  • Page 33: Remove Relay Board

    To Remove the Control Panel: Note: The fuse is located on the right side of the relay board housing. Caution: Be sure to note the location and routing of wires for proper reinstallation purposes. 1. Remove the top access cover (see page 28). Fuse Fuse 2.

  • Page 34: Remove Main Pcb Assembly

    Remove Main PCB Assembly Remove Upper Exhaust Assembly - Left 1. Remove the top and rear access covers (see 1. Remove the top, left, and rear access covers pages 28-29). (see pages 28-29). 2. Remove 4 screws that attach the main PCB 2.

  • Page 35: Remove Upper Blower Motor Assembly

    2. Remove 1 screw for more flexibility when accessing the damper door assembly and oven cavity thermistor. Thermal Fuse Thermal Fuse Screw Screw Thermal Fuse Thermal Fuse Cover Plate Cover Plate GEA00576 GEA00469 3. Remove 2 screws via the damper screw 5.

  • Page 36: Remove Upper Air Tunnel Assembly

    3. With the magnetron removed, you can now Remove Upper Air Tunnel Assembly see the thermistor, located under the air tunnel. Upper Air Tunnel Assembly Thermistor Thermistor Thermistor EXHAUST POWER AIR FLOW GEA00579 UPPER HALOGEN BLOWER AIR FLOW LOWER HALOGEN BLOWER AIR FLOW MAGNETRON FAN AIR FLOW 4.
  • Page 37 4. Remove the main PCB. 8. Remove the control panel (see page 31). 5. Remove the relay board and mounting. 9. Remove the oven cavity lamp assembly (see page 28). 6. Remove 6 air cover screws. 10. Disconnect 4 wire leads from the upper thermostat.

  • Page 38: Microwave High-Voltage Section

    Microwave High-Voltage Section Remove Magnetron Fan Motor Assembly Note: The electrical terminal ends which attach to WARNING: Prior to servicing the high-voltage the high-voltage capacitor have locking tabs on capacitor or diode, remove power to the oven them. These tabs cannot be seen because they (turn off the circuit breaker).

  • Page 39: Remove Magnetron Assembly

    Remove Magnetron Assembly 4. Remove the magnetron thermal cut-out (T.C.O.). 1. With the top and right access covers removed, remove the HV capacitor, diode, magnetron fan (see page 36); and the damper housing Remove High-Voltage Transformer (see page 32). 1. Disconnect 6 wiring connector plugs. 2.

  • Page 40: Remove Lower Blower Motor Assembly

    Remove Lower Blower Motor Assembly 4. Disconnect all associated connector plugs. 5. Lift fan motor assembly upward while Note: The magnetron fan motor, HV capacitor, removing the lower blower motor assembly and diode must be removed before you can from the chassis. access the lower blower motor assembly.
  • Page 41 5. Remove 2 screws from the lower edge of the inside left panel. 6. Remove 1 screw from the small right barrier and remove the barrier. 7. Remove 1 screw from the large right barrier, straighten the mounting tabs, and remove the barrier.
  • Page 42 Notes – 40 –...

  • Page 43: Troubleshooting

    Troubleshooting Table of Contents Diagnosing Cooking Problems ........42 Food Items Appear to be Undercooked .

  • Page 44: Diagnosing Cooking Problems

    Diagnosing Cooking Problems thorough understanding of power level operation, upper halogen lamp balance An important part of diagnosing any consumer operation, and thermal compensation (see cooking concern is listening carefully to the pages 17-21 of this service guide for detailed consumer describe the problem.

  • Page 45: Diagnosing A "Dead" Unit

    7. Check upper and lower halogen lamp AC 240V/60Hz operation at power level 10 and again at power level 5 to be sure that lamps are cycling properly. At this point, you must have a thorough understanding of power level operation, upper halogen lamp balance CAVITY T.C.O ONE SHOT...

  • Page 46: Microwave Performance Test

    Microwave Performance Test The humidity sensor can be tested from the front control panel area using the following diagnostic This test will verify that the microwave oven high procedure: voltage and magnetron circuits are operating to 1. Disconnect the humidity sensor connector performance specifications.

  • Page 47: Performance Test For Halogen Lamps

    Key Panel Test If necessary, the key panel pads can be verified by a continuity test. For ease of handling, the key panel should be removed and placed on a flat protected surface. Check continuity between the connections at the end of the ribbon (use high ohm scale).
  • Page 48 The chart below indicates failure modes which can believes that the thermistor is not responding be detected and displayed: because it is open, and thus displays the F1 code. This can be cleared at the end of the cycle and cooking will continue. •...
  • Page 49 Notes – 47 –...

  • Page 50: Schematics And Wiring Diagrams

    Schematics and Wiring Diagrams T.C.O. LOCATIONS T.C.O. Oven T.C.O. Cavity Upper Rear Halogen T.C.O. Upper Front Halogen T.C.O. Magnetron T.C.O. Lower Halogen SWITCH LOCATIONS THERMAL FUSE DAMPER MOTOR DOOR SENSING SWITCH GEA00430 Right Latch Door Open Assembly Door Closed GEA00540 Tabs GEA00343 Left Latch...
  • Page 51 GEA00344 – 49 –...
  • Page 52 Smart Board CONN COLOR # PINS DESCRIPTION White 3 Pin To LV transformer (primary) Blue 3 Pin Door sensing switches (left and right and damper motor) White 11 Pin To control display (key panel control assembly) 3 Pin Humidity sensor Blue 5 Pin To control display (key panel control assembly)
  • Page 53 Thermal Cut-Outs (T.C.O.s) T.C.O. Oven T.C.O. Cavity THERMAL CUT-OUTS Upper Rear DESCRIPTION OPEN CLOSED Halogen 302°F CAVITY 1 Shot 150°C T.C.O. 1 Shot HALOGEN T.C.O.s 302°F Upper Halogen 1 Shot 150°C T.C.O.s (2) 1 Shot 293°F Lower Halogen 1 Shot 145°C T.C.O.

  • Page 54: Door Switches

    Door Switches OVEN DOOR OPEN POSITION SWITCH SWITCH DESCRIPTION CONTACTS PRIMARY OPEN DOOR MONITOR CLOSED Left Latch Right Latch DOOR SENSING OPEN Assembly Assembly Tabs Door Open Door Open Door Closed Door Closed GEA00541 GEA00540 THERMAL FUSE DAMPER DOOR OPERATING MODES COOKING DAMPER SW.
  • Page 55 Halogen Lamp Circuits All T.C.O.s are non-resettable (“one shot”) except for the magnetron T.C.O., which will reset at 140°F (60°C). GEA00521 – 53 –...

  • Page 56: Illustrated Parts Breakdown

    Illustrated Parts Breakdown Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 54 –...
  • Page 57 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 55 –...
  • Page 58 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 56 –...
  • Page 59 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 57 –...
  • Page 60 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 58 –...
  • Page 61 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 59 –...
  • Page 62 Y ’ Y ’ Y ’ Y ’ Y ’ Y ’ Y ’ Y ’ Y ’ Y ’ & & Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 60 –...
  • Page 63 The cavity T.C.O. d. Will microwave just fine, but the halogen c. A tripped circuit house breaker. lamps won’t work. d. A door switch. Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 61 –...
  • Page 64 Exploded parts views and list for Model SCB2000. Refer to microfiche for specific model information. – 62 –...

This manual is also suitable for:

Advantium scb2001 seriesAdvantium zsc2001 seriesAdvantium zsc2000 seriesAdvantium scb2000 series

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