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Component Access Chart 

WARNING:  

The oven is heavy and requires two 
people to remove from the cabinet or 
wall opening. Care should be taken when 
removing and installing. 

Sharp edges may be exposed when 
servicing. Use caution to avoid injury. 
Wear Kevlar gloves or equivalent 
protection.

Serviceability - Unit Installed

Serviceability - Unit Partially Removed

Door 
Door Assembly

Turntable Support 

Control Panel Assembly

Low Voltage Transformer

Cavity Light

Left and Right Door Switch Assemblies

Fuse

Serviceability - Unit Removed  

Capacitor and Diode

Magnetron and Magnetron Thermostat

High Voltage Transformer

Noise Filter

Damper Assembly

Blower Assembly

Upper Heater TCO

Upper Heater Assembly

Humidity Sensor

Cavity TCO

Thermistor

Convection Heater Assembly

Turntable Motor

Convection Fan Motor

Lower Heater Assembly

Components

Summary of Contents for Advantium 120

Page 1: ... 1 GE Appliances General Electric Company Louisville Kentucky 40225 31 9141 Advantium 120 SCB 1000 SCB 1001 ZSC 1000 ZSC 1001 Technical Service Guide JUNE 2006 GE Consumer Industrial Table Of Contents ...

Page 2: ...sonal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES 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...

Page 3: ...RFACES ARCING WEAR AND OTHER DAMAGE 4 DAMAGE TO OR LOOSENING OF HINGES AND LATCHES 5 EVIDENCE OF DROPPING OR ABUSE D BEFORE TURNING ON MICROWAVE POWER FOR ANY TEST OR INSPECTION WITHIN THE MICROWAVE GENERATING COMPARTMENTS CHECK THE MAGNETRON WAVE GUIDE OR TRANSMISSION LINE AND CAVITY FOR PROPER ALIGNMENT INTEGRITY AND CONNECTIONS E ANY DEFECTIVE OR MISADJUSTED COMPONENTS IN THE INTERLOCK MONITOR ...

Page 4: ...e Information 41 Door Assembly 24 Fault Codes 42 Fuse 29 High Voltage Transformer 31 Humidity Sensor 37 Installation 14 Introduction 6 Left and Right Door Switch Assemblies 38 Lower Heater Assembly 35 Low Voltage Transformer 28 Magnetron and Magnetron TCO 31 Microwave Leak Test 43 Noise Filter 30 Nomenclature 5 Oven Removal Partial Removal 23 Proof Feature 43 Schematics and Wiring Diagrams 44 Spee...

Page 5: ...s Steel WW White Model Year Designator Model Number The nomenclature plate is located on the inside door frame The mini manual is located behind the small access panel on the left side of the oven Serial Number The first two characters of the serial number identify the month and year of manufacture Example AL123456S January 2006 A JAN 2006 L D FEB 2005 H F MAR 2004 G G APR 2003 F H MAY 2002 D L JU...

Page 6: ...t temperatures ranging from 80 to 450 F Sensor Microwave Oven 975 watt sensor microwave oven mode automatically delivers perfect cooking results Warming Oven Keeps prepared foods warm and fresh and retains perfect moistness and crispness Proof Feature Specialized mode allows dough to rise quickly 16 in Turntable Removable metal and glass trays easily handle large casserole dishes Rounded Rear Wall...

Page 7: ... Baking Sheet Put food directly on the aluminum baking sheet on the wire oven rack and place them on the non stick metal tray when baking on two levels broiling or toasting foods Clear Glass Tray Place on the turntable when using the microwave features Place food or microwave safe cookware directly on the tray Upper Halogen Lamp Ceramic Heater Operates when using speedcook or broil Window Allows c...

Page 8: ... DEFROST Microwave Press this pad to defrost soften or melt frozen foods REHEAT Microwave Press this pad to reheat servings of previously cooked foods or a plate of leftovers FAVORITE RECIPES Press this pad to add edit change or remove a recipe from the memory TIMER Press this pad to set the minute timer Display Shows and instructs the use of all features on the oven SELECTOR DIAL Turn to select P...

Page 9: ...n at full power levels This is normal The oven senses the heat level and adjusts automatically To remind you that you have food in the oven the oven will display COOK TIME COMPLETED and beep once a minute until you either open the oven door or press the CLEAR OFF pad FAN MSG REM MUTE TIMER MER ORITE CIPES Oven Heat No preheating time is required during Speedcook cycles The oven begins cooking imme...

Page 10: ...00 watt ceramic heater cook food from above One 375 watt ceramic heater cooks food from below Rear Convection Heat Element Operates when using bake Microwave A microwave boost is automatically added with certain foods The oven can also be used as a 975 watt microwave oven Continued Next Page ...

Page 11: ...he food while sealing in moisture and flavor These heaters only operate in the speedcook mode and always cycle on and cycle off at the same time The convection heater located at the rear of the oven operates when using bake mode Lower Heater The lower heater is a 375 watt ceramic heater It operates in speedcook oven bake and warm modes The lower heater assists in browning foods on the bottom Micro...

Page 12: ...quire compensation for accurate and consistent cooking results When cooking several food items consecutively the temperature in the oven may become very high When Speedcooking the Advantium automatically compensates for the increased temperature by reducing the amount of time the upper and lower heaters are on during each 32 second duty cycle At the start of each new Speedcooking operation the cav...

Page 13: ...el Upper Heater On Time Lower Heater On Time Microwave On Time Hi Hi 100 100 0 Lo 100 80 0 Medium Hi Hi 100 70 0 Lo 100 65 0 Med Hi 90 90 10 Lo 90 65 10 Med Lo Hi 80 70 20 Lo 70 70 30 Lo Hi 60 60 40 Lo 30 30 70 Speedcook Power Level Chart ...

Page 14: ... oven to tip and result in injury Never allow anyone to climb sit stand or hang on the oven door Installation Electrical Requirements Single Advantium 120 Installation This product requires a 120 volt 60 Hz 15 amp circuit and draws 1 8 kilowatts This product must be connected to a supply circuit of the proper voltage and frequency Wire size must conform to the requirements of the National Electric...

Page 15: ...mponent Locator Views Front View Continued Next Page Magnetron Blower Motor Capacitor Power Transformer Damper Assembly Convection Heater Assembly Thermistor Fuse and Noise Filter Control Panel Assembly Convection Fan Assembly Turntable ...

Page 16: ... Magnetron Capacitor Diode Fuse Damper Assembly Blower Assembly Low Voltage Transformer Upper Heater Assembly Upper Heater TCO Relay Board Power Board Lower Heater Assembly Turntable Motor Top View Bottom View Continued Next Page ...

Page 17: ...umidity Sensor Lower Heater Assembly Noise Filter Right Side Door Switch Assembly Blower Assembly Low Voltage Transformer Control Panel Assembly Control Panel Assembly Left Side View Right Side View Continued Next Page Fuse ...

Page 18: ... 18 Control Panel Assembly Shown separated Control Board Relay Board Power Board Selector Board Display Board Control Panel Low Voltage Transformer Control Panel Bracket ...

Page 19: ...4 CN4 Control Board CN5 Humidity Sensor CN6 Door Secondary Sensing Switch and Damper Door Sensing Switch CN7 Low Voltage Transformer Secondary Windings CN8 Thermistor CN11 Relay Board Control Boards and Panel Connections Continued next page ...

Page 20: ...eater and Turntable Motor CN3 Control Board RY2 High Voltage Transformer RY7 Convection Heater RY8 Upper Heater Ceramic RY9 Lower Heater RY11 Upper Heater Halogen Control Board CN10 CN13 CN9 CN4 CN3 CN3 Relay Board CN4 Power Board CN9 Selector Board CN10 Display Board 20 Pin Connector CN13 Selector Board Continued next page ...

Page 21: ... 21 Control Panel CN14 to Selector Board Selector Board CN13 CN9 CN14 CN9 Control Board CN13 Control Board CN14 Control Panel Display Board 20 Pin Connector to CN10 on Control Board ...

Page 22: ...i c e a b i l i t y U n i t P a r t i a l l y R e m o v e d Door Door Assembly Turntable Support Control Panel Assembly Low Voltage Transformer Cavity Light Left and Right Door Switch Assemblies Fuse S e r v i c e a b i l i t y U n i t R e m o v e d Capacitor and Diode Magnetron and Magnetron Thermostat High Voltage Transformer Noise Filter Damper Assembly Blower Assembly Upper Heater TCO Upper He...

Page 23: ...turntable Remove 4 screws from the side trims Slide the oven forward approximately 11 inches to access some components or remove it completely from the cabinet or wall opening 1 2 3 Access Cover To remove the access cover the oven must be at least partially removed from the installation The access cover is attached to the outer cover by 2 Phillips head screws Unplug the power cord and lower the ov...

Page 24: ...s to the door removal position and lifted from the oven Tool Tool Door Hinge Opening Door Removal Position To disassemble the door Remove the 4 screws from the glass mount Remove the choke cover Remove the 4 screws from the door frame and remove door frame from the glass supporter Remove the 4 screws from the glass supporter and remove the door handle and vent trim from the glass supporter 1 2 3 4...

Page 25: ...pture these screws To remove the control panel assembly Place the oven in a partially removed position See Oven Removal Partial Removal Remove the 3 Phillips head screws from the top front of the outer cover 1 2 Continued Next Page 3 Remove the 2 recessed Phillips head screws that attach the control panel assembly to the top of the frame 5 Open the oven door Grasp the bottom of the control panel a...

Page 26: ... To remove the relay board Remove the control panel See Control Panel Assembly Peel back the foam tape Disconnect the wire harness from the power board at location CN11 and release the harness from the wire retainer Disconnect wire harnesses from the relay board at locations CN1 and CN3 Remove the 5 Phillips head screws that attach the relay board to the control panel bracket Lift the relay board ...

Page 27: ...and release the wire harness to CN4 from the wire retainer Remove the 4 Phillips head screws 2 on each side from the control panel bracket Slide the control panel bracket to the right then lift the control panel bracket from the control panel Guide the disconnected harnesses through the wire entry hole in the control panel bracket 1 2 3 4 5 6 Wire Retainer Foam Tape Wire Entry Hole To remove the d...

Page 28: ...nsformer The low voltage transformer is held in place by 2 Phillips head screws The control panel must be removed to access the low voltage transformer See Control Panel Assembly The low voltage transformer is connected to the power board at location CN7 and on the relay board at location CN1 Resistance Check Disconnect the harness from the relay board at location CN1 Check the primary winding for...

Page 29: ...rol Panel Assembly The oven cavity light will come on during a microwave cooking cycle Fuse Important Note The primary interlock monitor interlock door sensing secondary interlock switches and the relay board must all be replaced when the 20 amp fuse opens due to operation of the monitor interlock switch The unit is equipped with a 20 amp fuse Part WB27X10388 The fuse is located in a receptacle ne...

Page 30: ... diode locations The capacitor wires have locking tabs Remove the capacitor capacitor bracket and diode as one assembly Diode Screw Noise Filter The noise filter is located behind the blower assembly on the right side of the oven The noise filter is held in place by a single Phillips head screw The filter ground wire is attached to the oven chassis near the noise filter by a single Phillips head s...

Page 31: ...sable all oven functions including the display Magnetron TCO High Voltage Transformer WARNING Always be certain the capacitor is discharged before servicing See Capacitor and Diode Mechanically discharge by placing an insulated handle screwdriver between the diode connection of the capacitor and the oven chassis ground Note The capacitor has an internal discharge resistor that automatically discha...

Page 32: ...the operation of the damper door motor When the damper door is closed the switch is open The motor will run until the switch sends the door closed signal If the damper door sensing switch circuit shorts or opens the damper motor will run continually The damper motor has an approximate resistance value of 3 36 K Ω Blower Assembly A blower protects the oven from too much heat inside the oven cavity ...

Page 33: ...lower housing to the bracket 8 9 Disconnect Disconnect Upper Heater and Oven Cavity TCOs The TCOs automatically shut off the oven in the event of excessive temperatures When replacing be sure to determine the cause of failure If a TCO opens it will disable all oven functions except the oven light The outer cover must be removed to access the TCOs See Oven Removal Partial Removal The upper heater T...

Page 34: ...g performance Remove the oven from cabinet or wall opening and remove the outer cover See Oven Removal Partial Removal Disconnect the heater assembly wire harnesses and pull them through the wire guide Disconnect wires from the upper heater TCO 1 2 3 Remove the 2 Phillips head screws wire retainer and the heater shield from the heater assembly 4 Straighten the 4 folded lock tabs Remove the 8 Phill...

Page 35: ...Partial Removal The convection heater assembly is composed of an inner and outer fan blade motor heating element and thermistor Remove the rear cover Three Phillips head screws hold the cover in place Continued Next Page Convection Heater Assembly Shown with Rear Cover Removed Thermistor Thermistor Thermistor The thermistor must be removed before removing the convection heater assembly The thermis...

Page 36: ...of Element ELECTRICAL TERMINAL RELEASE LOCKING TAB The convection fan motor is held in place by 3 Phillips head screws Convection Fan Motor The convection fan motor wire leads have locking tabs that must be depressed to be disconnected To remove each wire from the fan motor depress the clip using a small blade screwdriver and pull the wire off the terminal as shown Front View of Outer Convection F...

Page 37: ...ately after speedcook Access the control panel Disconnect the humidity sensor wire harness from the power board at location CN5 On the humidity sensor wire harness check for approximate resistance values between Black Red 6 5 k Ω Red White 3 25 k Ω Black White 3 25 k Ω Humidity Sensor Turntable Motor The turntable motor is held in place with 2 Phillips head screws To replace it requires removing t...

Page 38: ...to Test the Monitor Switch Note The right side latch pawl pushes horizontally and actuates the lever of the monitor interlock opening the switch Disconnect power and partially remove the oven from it s installation See Oven Removal Partial Removal Remove the single Phillips head screw that holds the right side door switch access cover to the outer cover Remove the monitor switch leads to isolate t...

Page 39: ...witch operation Disconnect power and partially remove the oven from it s installation See Oven Removal Partial Removal Note Each latch board is held in place and adjusted with 2 Phillips head screws The screws are recessed from the top of the outer cover Access holes are provided 2 Loosen the 2 Phillips head screws that attach the latch board to the oven chassis 3 Adjust each latch board for prope...

Page 40: ...ese screws 5 Remove the 2 Phillips head screws that attach the latch board to the oven chassis 6 Remove the door switches from the latch board To replace the latch boards Place the oven in a partially removed position See Oven Removal Partial Removal Open the oven door Remove the single Phillips head screw that holds the door switch access cover to the outer cover Disconnect the switch wiring 1 2 ...

Page 41: ... 41 Diagnostics and Service Information USE ONLY HEAT AND MICROWAVE RESISTIVE GLASS BOWL ...

Page 42: ... 4 Demo Mode The Sales Demo mode will allow dealers to demonstrate all oven functionality with one exception No power is ever applied to any of the halogen lamps heaters mag HVT or inrush relays while the control is in sales mode The sales mode will be initiated by holding the POWER TEMP and START pads down at the same time for a full 3 seconds This mode can only be entered during the initial SELE...

Page 43: ...test the performance of the proof feature press the WARM PROOF pad then turn the dial to PROOF BREAD and press the dial to start The following will occur The convection fan and interior lamp come on immediately and stay on There is an immediate start up burst about 1 5 second duration at 75 F ambient of heat from the convection heater The convection fan and interior lamp continue to operate and if...

Page 44: ... 44 Schematics and Wiring Diagrams WARNING POWER MUST BE DISCONNECTED BEFORE SERVICING THIS APPLIANCE Continued Next Page Cavity Lamp Control Board Power Board Relay Board L V T Transfromer ...

Page 45: ...W8 BK2 BK GN GN W W1 BN4 YL4 W8 BK1 BK9 R10 W9 W10 HTR TCO R1 BN4 OVEN LAMP BL3 W2 YL3 W1 MGT TCO W5 BL2 UPPER HEATER CERAMIC YL2 BL5 BN3 R5 BK3 BL5 UPPER HEATER HALOGEN BLOWER MOTOR R7 YL2 R3 MONITOR SWITCH CONVECTION MOTOR CONVECTION SHEATH HEATER DAMPER MOTOR CROUND H V DIODE HVC W R 5 3 4 1 2 MGT TUBE FA F PRIMARY INTERLOCK SWITCH R2 BN1 BK6 BK1 LOWER CERAMIC HEATER TURNTABLE MOTOR PK1 BL1 BL ...

Page 46: ...ome to teach you how to use the product Improper installation delivery or maintenance Failure of the product if it is abused misused or used for other than the intended purpose or used commercially Replacement of house fuses or resetting of circuit breakers Damage to the product caused by accident fire floods or acts of God Incidental or consequential damage caused by possible defects with this ap...

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