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GE SCB2000, SCB2001, Technical Service Manual

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GE SCB2000, SCB2001 Technical Service Manual Download Page 28

– 26 –

Mechanical Disassembly

Table of Contents

Serviceability With Oven Installed

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Remove Oven Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Disassemble Oven Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Serviceability With Oven Removed

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Remove Oven From Cabinet or Wall Opening . . . . . . . . . . . . . . . . . . . . . . . . .  27

Remove Oven Cavity Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

Remove Outer Access Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28

Interlocks and Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  29

Remove and Adjust Door Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30

Access and Remove Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30

Remove Relay Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31

Remove Low Voltage Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  31

Remove Main PCB Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

Remove Upper Exhaust Assembly - Left . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

Remove Damper Door Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32

Remove Upper Blower Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33

Remove Oven Cavity Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  33

Remove Upper Air Tunnel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34

Remove Upper Halogen Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  34

Microwave High-Voltage Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36

Remove HV Capacitor and Diode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36

Remove Magnetron Fan Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .  36

Remove Magnetron Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37

Remove High Voltage Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  37

Remove Lower Blower Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

Remove Turntable Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

Remove Lower Halogen Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38

Summary of Contents for SCB2000, SCB2001

Page 1: ...g PUB 31 9057 08 00 MODEL SERIES TECHNICAL SERVICE GUIDE GE Consumer Home ServicesTraining Advantium Built In Oven SCB2000 SCB2001 ZSC2000 ZSC2001 TM...

Page 2: ...ation nor can it assume any liability in connection with its use WARNING To avoid personal injury disconnect power before servicing this product If grounding wires screws straps clips nuts or washers...

Page 3: ...Instructions 4 Specifications 10 Warranty Information 11 Overview of Advantium 12 Control Panel Features 13 How to Speedcook 15 Operating Characteristics 16 Mechanical Disassembly 26 Troubleshooting 4...

Page 4: ...okbook includes numerous recipes helpful cooking tips information on proper cooking techniques and proper use of cookware for various types of recipes The cookbook is also a helpful diagnostic tool wh...

Page 5: ...log Manual speedcook Power level Repeat last Resume feature Speedcook cookware Speedcook menu guide Speedcook safe cookware Things that are normal Using a pre set speedcook menu 15 18 19 20 17 16 15 1...

Page 6: ...l Electrical Code ANSI NFPA 70 or latest edition Product Dimensions 29 25 32 21 7 8 15 27 32 28 7 16 15 Recessed Portion GEA00354 27 32 14 1 8 15 32 27 32 20 27 32 11 16 7 8 13 9 16 GEA00355 Advance P...

Page 7: ...pable of supporting the cabinet load in addition to the added weight of this approximately 100 lb product plus additional oven loads of up to 50 lb or a total weight of 150 lb Speedcook Oven Installed...

Page 8: ...tions packed with the warming drawer WARNING Electrical Shock Hazard The electrical power to the oven branch circuit must be shut off while line connections are being made Use copper wiring only Elect...

Page 9: ...et frame through the 4 mounting holes in the oven s front frame WARNING Securely fasten oven to cabinet using the screws provided Failure to do so could cause the oven to move or tip during use and re...

Page 10: ...ch circuit neutral white or gray GEA00363 When Connecting to a 4 Conductor Branch Circuit 1 Connect oven red lead to branch circuit red lead 2 Connect oven black lead to branch circuit black lead 3 Br...

Page 11: ...9 Notes...

Page 12: ...To clean the upper and lower lamp covers remove the turntable Wipe the covers with a warm soapy cloth or plastic scrubbie GEA00412 For heavy burned on soil a cleaning scraper may be used to clean the...

Page 13: ...ice Centers or an authorized Customer Care technician f O d o i r e P e h T r o F e c a l p e R l l i W E G r a e Y e n O l a n i g i r o e h t f o e t a d e h t m o r F e s a h c r u p t r a p y n A...

Page 14: ...oods you would normally cook on the grill White Ceramic Tray Used during microwave oven cooking only Place on the oven rack turntable when using the microwave features Place food or microwave safe coo...

Page 15: ...ng to light the oven cavity The light will come on and will remain on until the end of the cooking cycle MICRO EXPRESS Press for 30 seconds of microwave cooking time Each press of the button adds an a...

Page 16: ...14 Notes...

Page 17: ...o enter selection 7 After approximately 3 5 sec the cook time may be adjusted up or down to compensate for variations in line voltage 8 Minutes before cooking ends CHECK for DONENESS appears Power shu...

Page 18: ...per Halogen Lamp Balance 18 Thermal Compensation 19 Thermal Compensation Test 21 Thermal Protection 21 Thermal Safety 22 Damper Door Assembly 22 Damper Door Switch 22 Damper Door Open 23 Damper Door C...

Page 19: ...cle for 80 of each 32 second period the lower would cycle at 50 of each 32 second period and the microwave high voltage circuit would be energized for 30 of each 32 second period GEA00421 U 08 L 05 M...

Page 20: ...Compensation Circuit BN Y The optimal line voltage where no voltage compensation occurs is 120 VAC Above 120 VAC time is subtracted from the recipe Below 120 VAC time is added to the recipe The amoun...

Page 21: ...wer level the lower halogen lamp power level or both the upper and lower halogen power levels simultaneously Thermal compensation can lower the upper halogen pair by 1 2 or 3 power levels The lower ha...

Page 22: ...20 Notes...

Page 23: ...cling Since the oven is now hot you should be able to visually see thermal compensation occurring You will notice that both the upper and lower halogen lamp power levels have been decreased by some am...

Page 24: ...a metal semi round door which rotates by control of a damper motor to open and close off air from the damper chamber to the oven cavity The thermal fuse and door sensing switch mount to the damper do...

Page 25: ...pressing the damper door sensing switch Microwave oven cooking At the start of microwave cooking the damper door will cycle one complete revolution completely close and then reopen and stop in the ope...

Page 26: ...m the upper grille area The air is then directed blown across the upper halogen lamp pair and exhausted back into the room through the lower grille area The hot air directed across the upper halogen l...

Page 27: ...25 GEA00570 EXHAUST POWER AIR FLOW UPPER HALOGEN BLOWER AIR FLOW LOWER HALOGEN BLOWER AIR FLOW MAGNETRON FAN AIR FLOW Air Flow Diagram...

Page 28: ...30 Remove Relay Board 31 Remove Low Voltage Transformer 31 Remove Main PCB Assembly 32 Remove Upper Exhaust Assembly Left 32 Remove Damper Door Assembly 32 Remove Upper Blower Motor Assembly 33 Remove...

Page 29: ...1 Remove the door from the oven see previous procedure 2 Remove 4 screws from the upper side of the door frame This will separate the door glass 3 To remove the door handle remove 2 screws and 2 E ri...

Page 30: ...from under the tabs GEA00443 Tabs Tabs 4 Rotate the lamp housing to replace the bulb WB36X10160 Remove Outer Access Covers To access all other electrical components excluding the left latch switch on...

Page 31: ...right and left and monitor switches are mounted to plastic latch boards on the right and left sides of the oven cavity Note To access the 3 switches in the left latch assembly remove 1 screw from the...

Page 32: ...To Adjust the Right Latch Assembly 1 Remove the top and right access covers see page 28 2 Adjust the screws or replace the door switch as needed 3 Retighten screws GEA00454 Adjustment Adjustment Screw...

Page 33: ...ct all associated wiring to relay board 4 Lift the relay board and disengage the hinges at the bottom of the board 5 Remove the relay board Note The fuse is located on the right side of the relay boar...

Page 34: ...support to the left Remove Upper Exhaust Assembly Left 1 Remove the top left and rear access covers see pages 28 29 2 Remove 3 screws and disconnect the harness GEA00452 Screws Screws Harness Disconne...

Page 35: ...Plate 5 Move the fan motor assembly out of the way 6 Remove 2 screws securing the damper door assembly 7 Remove the assembly Remove Upper Blower Motor Assembly 1 Remove the top and right access cover...

Page 36: ...HALOGEN BLOWER AIR FLOW LOWER HALOGEN BLOWER AIR FLOW MAGNETRON FAN AIR FLOW Upper Air Tunnel Assembly Lower Air Tunnel Assembly 1 Remove all access covers see pages 28 29 2 Remove the exhaust motor...

Page 37: ...trol panel see page 31 9 Remove the oven cavity lamp assembly see page 28 10 Disconnect 4 wire leads from the upper thermostat GEA00460 Upper Halogen T C O s Upper Halogen T C O s 11 Straighten 8 tabs...

Page 38: ...assis GEA00465 Diode Screw Diode Screw 4 Pull the assembly toward you and tip it slightly back to remove the assembly from the oven Microwave High Voltage Section WARNING Prior to servicing the high v...

Page 39: ...onnector plugs 3 Remove 4 screws securing the magnetron assembly to the oven chassis and remove the magnetron assembly GEA00577 Screws Screws 4 Remove the magnetron thermal cut out T C O Remove High V...

Page 40: ...ssembly upward while removing the lower blower motor assembly from the chassis Remove Turntable Motor 1 Remove the turntable 2 On the bottom access cover remove 1 screw from the base plate cover Remov...

Page 41: ...remove the barrier 7 Remove 1 screw from the large right barrier straighten the mounting tabs and remove the barrier 8 Remove 4 screws from the lower air tunnel assembly 9 Lower the air tunnel and ea...

Page 42: ...40 Notes...

Page 43: ...42 Food Items Appear to be Undercooked 42 Food Items Appear to be Overcooked or Burned 42 Diagnosing a Dead Unit 43 Microwave Performance Test 44 Humidity Sensor Test 44 Microwave Leakage Test 44 Perf...

Page 44: ...ng 9 Check upper and lower halogen lamp 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...

Page 45: ...wer source use your volt ohmmeter and check the resistance from L1 to NEUTRAL The resistance should be approximately 22 0 ohms Note The resistance reading that you just made is shown in the schematic...

Page 46: ...nsor Test Note Oven should be plugged in at least 5 minutes before test Room temperature should not exceed 95 F Be sure the exterior of the cooking container and the interior of the oven are dry No se...

Page 47: ...volts Also a continuity test can be taken on the upper halogen lamps by disconnecting the blue and white connectors located near the upper blower motor Check the resistance with an ohmmeter Key Panel...

Page 48: ...may not rise fast enough to change the thermistor resistance very much The control believes that the thermistor is not responding because it is open and thus displays the F1 code This can be cleared...

Page 49: ...47 Notes...

Page 50: ...osed Door Open Tab GEA00540 Schematics and Wiring Diagrams T C O LOCATIONS SWITCH LOCATIONS Left Latch Assembly Right Latch Assembly GEA00430 THERMAL FUSE DOOR SENSING SWITCH DAMPER MOTOR All T C O s...

Page 51: ...49 GEA00344...

Page 52: ...CN5 Blue 5 Pin To control display key panel control assembly CN6 Yellow 3 Pin Thermistor CN11 White 4 Pin From LV transformer secondary CN12 White 5 Pin Vent motor blower motor thermal fuse upper halo...

Page 53: ...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 THERMAL CUT OUTS DESCRIPTION OPEN CLOSED CAVITY T C O 302 F 150 C 1 Shot 1 Shot HALOGEN T C O s U...

Page 54: ...Assembly Right Latch Assembly 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 GEA00430 THERMAL FUSE DOOR SENSING SWITCH DAMPER MOTOR DAMPER DOOR...

Page 55: ...53 Halogen Lamp Circuits GEA00521 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...

Page 56: ...54 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information Illustrated Parts Breakdown...

Page 57: ...55 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

Page 58: ...56 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

Page 59: ...57 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

Page 60: ...58 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

Page 61: ...59 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

Page 62: ...R O F S N A R T E G A T L O V H G I H 4 3 4 1 7 6 1 0 X 0 2 B W G A M O C T 5 3 4 1 7 0 0 0 1 X 0 2 B W R T H R E W O L T A T S O M R E H T m e t I t r a P n o i t p i r c s e D y t Q 8 3 4 1 3 3 2 0...

Page 63: ...dcook with excellent results c Still operate the 3 halogen lamps d Will microwave just fine but the halogen lamps won t work Quiz 1 The new Advantium Built in Oven uses a breakthrough speedcook techno...

Page 64: ...62 Exploded parts views and list for Model SCB2000 Refer to microfiche for specific model information...

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