GE SCB 1000 manuale d’uso

– 1 – GE Appliances General Electric Company Louisville, Kentucky 40225 31-9141 Advantium 120 SCB 1000 SCB 1001 ZSC 1000 ZSC 1001 T echnical Ser vice Guide JUNE 2006 GE Consumer & Industrial[...]

– 2 – IMP ORT ANT SAFET Y NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to r epair a major ap pli ance may result in personal injury and pr operty damage. The man u fac tur er or seller cannot be r esponsible for t[...]

– 3 – PRECAUTIONS T O BE OBSERVED BEFORE AND DURING SERVICING TO A VOID P OSSIBLE EXP OSURE TO EXCESSIVE MICROW A VE ENERGY . A . DO NOT OPERA TE OR ALLOW THE OVEN T O BE OPERA TED WITH THE DOOR OPEN. B. IF THE OVEN OPERA TES WITH THE DOOR OPEN, INSTRUCT THE USER NOT T O OPERA TE THE OVEN AND CONT ACT THE MANUF ACTURER IMMEDIA TEL Y . C. MAKE T[...]

– 4 – Table of Contents Blower Assembly ............................................................................................................... ............................................... 32 Capacitor and Diode ...........................................................................................................................[...]

– 5 – Model Designator 1000 = Color Model 1001 = Stainless Steel Model The letter des ig nat ing the year re peats every 12 years. Example: T - 1974 T - 1986 T - 1998 S C B 1 0 0 0 D B B GE Speedcook T echnology SC =GE Pro fi le ZS = Monogram Con fi guration B = Wall Oven C = Monogram Wall Oven Exterior Color BB = Black CC = Bisque SS = Stain[...]

– 6 – Introduction The new Advantium oven uses br eakthrough Speedcook technology to harness the power of light . The Advantium oven cooks the outside of foods much like conventional radiant heat , while also penetrating the surface so the inside cooks simultaneously. While halogen light is the primary source of power , a "microw ave boost[...]

– 7 – OPTIONS HELP POWER TEMP BACK CLEAR OFF START PAUSE T U R N T O S E L E C T P R E S S T O E N T E R FAN MSG REM MUTE TIMER TIMER FAVORITE RECIPES MICROWAVE REHEAT EXPRESS DEFROST COOK OVEN WARM PROOF BAKE BROIL CUSTOM SPEED COOK SPEED COOK T urntable The turntable must always be in place, on the oven floor , for all cooking. Be sure the tu[...]

– 8 – Control F eatures OPTIONS HELP POWER TEMP BACK CLEAR OFF ST ART PAU S E T U R N T O S E L E C T P R E S S T O E N T E R FAN MSG REM MUTE TIMER TIMER FAVORITE RECIPES MICROWAVE REHEAT EXPRESS DEFROST COOK OVEN WARM PROOF BAKE BROIL CUSTOM SPEED COOK SPEED COOK LOCK/UNLOCK HOLD 5 SECONDS With your Advantium oven, you can cook with high-inte[...]

– 9 – Cooking Times ■ When speedcooking preprogrammed foods, you may see OPTIMIZING COOK TIME in the display several seconds after you press ST AR T/P AUSE. The oven automatically senses the electrical voltage level in your home and adjusts the cooking time up or down for proper cooking. Fan/V ent ■ The fan will be on during cooking. At the[...]

– 10 – Speed Cook Syst em Halogen Lamp and Ceramic Heaters One 500 watt halogen bulb and one 700 watt ceramic heater cook food fr om above. One 375 watt ceramic heater cooks food fr om below . Rear Convection Heat Element Operates when using bake. Microwave A microwave “boost” is automatically added with certain foods. The oven can also be [...]

– 1 1 – Speedcook Power Levels Advantium uses power fr om a high-intensity halogen light , ceramic heaters, and microwaves to cook food from the top , bottom, and interior simultaneously, sealing in moisture and fl avor . When using preset Speedcook r ecipes on the food menu, power levels are pr eselected. However , these power levels can be a[...]

– 12 – The following chart shows the predicted compensation times based on a 12-minute speedcook selection (such as Biscuits, Refr ; Large). Note: Voltage compensation should be within 20 seconds of values in table. Voltage compensation occurs after appr oximately 5 seconds of cooking operation. The display will show OPTIMIZING COOK TIME. The t[...]

– 13 – Upper Power Level Lower Power Level Upper Heater On Time Lower Heat er 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[...]

– 14 – Advance Planning These ovens may be installed directly into a 27- in. or 30-in. wide oven cabinet . The front surface of the oven will be nearly fl ush with surrounding cabinet doors. This oven can be installed over any GE or Monogram single electric built-in oven, or a warming drawer or both. Color matched side trim pieces are pr ovide[...]

– 15 – Main Component Locator View Component 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 T urntable[...]

– 16 – High V oltage T ransformer Magnetron Capacitor Diode Fuse Damper Assembly Blower Assembly Low V oltage T ransformer Upper Heater Assembly Upper Heater TCO Relay Board Power Board Lower Heater Assembly T urntable Motor T op View Bottom View ( Continued Next Page )[...]

– 17 – Oven Cavity TCO Humidity Sensor Lower Heater Assembly Noise Filter Right Side Door Switch Assembly Blower Assembly Low V oltage T ransformer Control Panel Assembly Control Panel Assembly Left Side View Right Side View ( Continued Next Page ) Fuse[...]

– 18 – Control Panel Assembly (Shown separated) Control Board Relay Board Power Board Selector Board Display Board Control Panel Low V oltage T ransformer Control Panel Bracket[...]

– 19 – Power Board CN5 CN8 CN6 CN7 CN1 1 CN4 CN4 - Control Boar d 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 Boar ds and Panel Connections ( Continued next page )[...]

– 20 – Relay Board CN2 CN1 CN3 RY2 RY 9 RY8 RY 7 RY1 1 CN1 - Low Voltage Transformer (Primary Winding) CN2 - Connection to Door Switch, Heater , and T urntable Motor CN3 - Control Boar d RY2 - High Voltage Transformer RY7 - Convection Heater RY8 - Upper Heater (Ceramic) RY9 - Lower Heater RY11 - Upper Heater (Halogen) Control Boar d CN10 CN13 C[...]

– 21 – Control Panel CN14 to Selector Board Selector Board CN13 CN9 CN14 CN9 - Control Boar d CN13 - Control Boar d CN14 - Control Panel Display Board 20-Pin Connector to CN10 on Control Board[...]

– 22 – Component Access Chart W ARNING: The oven is heavy and requir es two people to remove fr om the cabinet or wall opening. Car e 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 Serviceab[...]

– 23 – Oven Removal / Partial Removal T o remove the oven fr om cabinet or wall opening: W ARNING: This oven requires 2 people for complete oven removal. Grasp the bottom of the oven at the front and r ear on each side. Caution: Do not use the oven handle to lift or lower the oven. Damage will occur . Open the door and remove the wir e rack , a[...]

– 24 – Door Assembly W ARNING: A microwave leakage test must be performed any time a door is removed, replaced, or adjusted for any reason. (See Diagnostic and Service Information .) Door Removal Caution: Do not close the door beyond the door remov al position. Damage to the inner door panel will occur . T o remove the door , open the door full[...]

– 25 – Control Panel Assembly The control panel assembly consists of an outer control panel and an inner contr ol panel bracket . The outer control panel contains the contr ol, display, and selector circuit boar ds. The power and relay circuit boar ds, and the low voltage transformer are attached to the control panel bracket . Removing the cont[...]

– 26 – T o remove the power boar d: Remove the control panel assembly. (See Control Panel Assembly .) Disconnect wire harnesses fr om the power board at locations CN4, CN7, and CN11. Remove the 4 Phillips-head screws that attach the power board to the contr ol panel bracket . Lift the power board to clear the r etaining tab. 1. 2. 3. 4. T o rem[...]

– 27 – T o remove the contr ol board: Remove the control panel bracket . (See Control Panel Assembly .) Disconnect the 20-pin harness connector from the display board. Disconnect the wire harnesses fr om the selector board at locations CN9 and CN13. Remove the 4 Phillips-head screws that hold the control boar d to the control panel. 1. 2. 3. 4.[...]

– 28 – T o remove the selector board: Remove the control panel bracket . (See Control Panel Assembly .) Pull the dial straight out from the contr ol panel. Disconnect wire harnesses fr om the selector board at locations CN9 and CN13. Disconnect the wire harness fr om the control panel at location CN14. Remove the 6 Phillips-head screws that att[...]

– 29 – Caution: Do not twist the lamp. The oven lamp is a 130-V AC, 20-watt lamp (Part # WB08X10050). It is a plug-in type lamp. Cavity Light The oven lamp is inserted in a socket that is attached to the lamp housing with 2 Phillips-head screws. The scr ews are r ecessed from the top of the outer cover . Access holes are pr ovided. A magnetic s[...]

– 30 – Capacitor and Diode W ARNING: Always be certain the capacitor is discharged befor e servicing. 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 dischar ges the capacitor whe[...]

– 31 – Magnetron and Magnetr on T CO W ARNING: Always be certain the capacitor is discharged befor e 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 autom[...]

– 32 – Damper Assembly The damper assembly is on the top right side of the oven cavity. When the damper door is closed, moisture is r etained in the oven cavity. When the damper door is open, moisture is r eleased, allowing food to be more crisp . The outer cover must be removed to access or observe operation of the damper assembly. (See Ov en [...]

– 33 – Remove the single Phillips-head screw that attaches the fi lter ground wire to the oven chassis. Remove the 5 Phillips-head screws that attach the blower bracket to the oven chassis. 6. 7. Note: When installing the blower assembly, ensure that the fi lter ground wire is secur ed to the oven chassis. Disconnect wire harnesses on the r e[...]

– 34 – Upper Heater Assembly The halogen heater has an approximate r esistance value of 1.8 to 3.7 Ω . It is connected using a white wire harness. The ceramic heater has an approximate r esistance value of 15 to 25 Ω . It is connected using a yellow wire harness. T o remove the upper heater assembly: Caution: Mark each of the wire harnesses[...]

– 35 – Lower Heater Assembly The lower ceramic heater has an approximate resistance v alue of 32 to 42 Ω . T o remove the lower heater assembly: Remove the oven from cabinet or wall opening. (See Ov en Removal / Partial Removal . ) Remove the 2 Phillips-head screws fr om the bottom of each side of the outer cover . Remove the 6 Phillips-head [...]

– 36 – Convection Heater Element The convection heater assembly is held in place by two 7-mm hex-nuts and 4 Phillips-head screws The convection heater element has an approximate resistance v alue of 9.5 Ω . Two Phillips-head scr ews connect the power wires to the element terminals. The convection heater element is held in place by 4 Phillips-[...]

– 37 – Humidity Sensor The humidity sensor is mounted to the exhaust duct on the left side of the oven. The outer cover must be removed to access the humidity sensor . (See Oven Removal / Partial Removal . ) The humidity sensor is connected to the power board at location CN5. The humidity sensor is held in place by 2 Phillips-head screws. The h[...]

– 38 – ( Continued Next Page ) Monitor interlock switch Door sensing (Secondary Interlock) Primary interlock switch Left and Right Door Switch Assemblies The primary interlock , monitor interlock, and door sensing (secondary interlock) switches are mounted on plastic latch boards. The latch boar ds are attached to the left and right side of the[...]

– 39 – 5. T est Circuit Operation. a. Connect temporary jumper leads acr oss relay contacts, primary interlock and door sensing switches to simulate shorted switch contacts. Locate convenient connections in circuit to be certain COM and NO terminals are used. b. Connect ohmmeter (Rx1) acr oss the line terminals of the appliance cord. Continuity[...]

– 40 – Note: Each latch board is held in place with 2 Phillips-head screws. The scr ews are r ecessed from the top of the outer cover . Access holes are provided. A magnetic scr ewdriver is necessary to capture these scr ews. 5. Remove the 2 Phillips-head screws that attach the latch board to the oven chassis. 6. Remove the door switches from t[...]

– 41 – Diagnostics and Ser vice Information USE ONL Y HEA T AND MICR OW A VE RESISTIVE GL ASS BOWL[...]

– 42 – Display Failure Detected F1 Oven cavity thermistor open F2 Open cavity thermistor shorted F3 Key panel shorted (> 60 seconds) F4 Humidity sensor open or shor ted F6 High cavity temperature detected during microwave oven cooking Fault Codes The smart board monitors various operations and can detect certain failure modes. In the event o[...]

– 43 – Turn “ON” for 5 minute test . Hold probe perpendicular to surface being tested. Scan surfaces at the rate of one inch per second. Scan entire perimeter of door , control panel, viewing surface of door window , and exhaust vents. Maximum leakage is 4 MW/CM2. Record data on service invoice and microwave leakage report . Note: Maximum a[...]

– 44 – Schematics and Wiring Diagrams W ARNING: POWER MUST BE DISCONNECTED BEFORE SERVICING THIS APPLIANCE ( Continued Next Page )[...]

– 45 – W3 BK2 OVEN TCO GROUND HARNESS LEADS PARTS LEADS R1 R7 BK6 BL3 BN3 BN3 GN1 C11 BK WR CN11 R6 LVT W YL BK W R BN BK HUMIDITY SENSOR PK1 W4 W2 R4 BL2 YL1 W4 W9 W6 MGT RY2 RELAY PCB POWER PCB L-H RY9 MAIN CN2 CN1 17 1 3 13 CN7 11 13 5 SENSOR CN5 THERMISTOR CN8 13 DOOR CN6 3 CONV RY7 U-H(C) RY8 U-H(H) RY11 YL3 THERMISTOR SECONDARY SENSING S/[...]

– 46 – Warranty For The Period Of: GE Will Replace: One Y ear Any part of the oven which fails due to a defect in materials or From the date of the workmanship. During this full one-year war ranty , GE will also provide, original purchase free of charge, all labor and in-home service to replace the defective part. Three Y ears The heating syste[...]