GE Advantium CSA1201R Technical Service Manual Download

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– 38 –

Metal Plate

4. Remove the Phillips-head screw attaching the

TCO to the metal plate and slide the TCO out
from the tab.

Tab

Magnetron TCO (Thermal Cut Out)

• Location

(See

Right Side View

• Disables the oven if the Magnetron overheats.

• Normally

closed.

• Opens 320°F, non-resettable.

• Disassembly.

(See

isassembly

Troubleshooting

1. Pivot the Control Panel Assembly out from the

oven. (See

Control Panel Removal

2. To gain better access to components, remove

the wires that plug into the large relays on the
Relay Board.

(See

Relay Board

Cut the wire tie

that the Smart Board CN103 wire harness (See

Smart Board

.) is routed through.

3. Check voltage between the double wire in the

connector that connects to RY14 and both sides
of the Magnetron TCO.

• If 120 VAC is present on both sides of the

Magnetron TCO, the Magnetron TCO is
operating properly.

• If 120 VAC is present on only one side of the

Magnetron TCO, replace the Magnetron TCO.

• If 120 VAC is not present on either side

of the Magnetron TCO, L1 is not present
at Magnetron TCO, see

Oven TCO

troubleshooting step 1.

Disconnect

Magnetron TCO

Disassembly

To remove the Magnetron TCO:

1. Pivot the Control Panel Assembly out from the

oven. (See

Control Panel Removal.

)

2. Disconnect wiring from the Magnetron TCO.

3. Remove the Phillips-head screw attaching the

Magnetron TCO to the air guide, then pull the
TCO towards the bottom.

Bottom Thermal Cutout (TCO)

• Location - (See

Right Side View

• Disables oven in the event of a cooktop

re.

Purpose is to keep the ventilation fan from
sucking

ames into the oven.

• Normally

closed.

• Opens 320°F, non-resettable.

• Disassembly.

(See

Disassembly

Troubleshooting

1. Pivot the Control Panel Assembly out from the

oven. (See

Control Panel Removal

2. To gain better access to components, remove

the wires that plug into the large relays on the
Relay Board.

(See

Relay Board

Cut the wire tie

that the Smart Board CN103 wire harness (See

Smart Board

.) is routed through.

(

Continued Next Page

)

Summary of Contents for Advantium CSA1201R

Page 1: ...V ATC Technical Service Guide OCTOBER 2010 GE Appliances PSA1200R PSA1201R CSA1201R T URN TO SELEC T BACK VENT SETTINGS HELP CONTROL LOCK HOLD 3 SECS PRESS TO TURN TIMER OFF CONV BAKE MICRO WAVE MICRO 30 SECS CLEAR OFF SPEED COOK COOKING OPTIONS SURFACE LIGHT TIMER ON OFF START PAUSE Profile ...

Page 2: ...d personal 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 pro...

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: ...ction Heater Assembly 51 Convection Heater TCO Thermal Cut Out 37 Cooktop Lamp 54 Cooktop Lamp Assembly 55 Damper Assembly 42 Damper Motor 42 Damper Switch 41 Demo Mode 15 Diagnostics and Service Information 69 Door Assembly 23 Door Sensing Switch 40 Door Switch Removal 41 Glass Touch Assembly 32 Grill 21 High Voltage Transformer 62 Hood TCO Thermal Cut out 39 Humidity Sensor 43 Installation 16 In...

Page 5: ... 40 Relay Board 28 Schematic 71 Schematics and Wiring Diagrams 71 Selector Board 33 Sensor and Keypanel Failure Detection 69 Service Test Mode 70 Smart Board 30 Standard Test Load 69 Stirrer Assembly 60 Stirrer Motor 59 Thermal Compensation 68 Thermistor 44 Turntable Motor 61 Upper Heater Assembly 47 Upper Heater Ceramic 46 Upper Heater Halogen 45 Upper Heaters TCO Thermal Cut Outs 36 Ventilation ...

Page 6: ...al is located behind the control panel on the right side of the oven Nomenclature GE Speedcook Technology Brand C Café P Profile The letter designating the year repeats every 12 years Example T 2010 T 1998 T 1986 Serial Number The first two characters of the serial number identify the month and year of manufacture Example TT123456S October 2010 T OCT 2010 T V NOV 2009 S Z DEC 2008 R A JAN 2007 M D...

Page 7: ...oked Proof Provides correct temperature for proofing dough Service Test Mode Used to operate loads for testing not used by consumer Demo Mode Used by dealer to demonstrate operation without operating heat loads See the Operating Modes section for information pertaining to starting a cycle See Load Algorithm Chart for information pertaining to load cycling Cooking modes are started by pressing a ke...

Page 8: ...the cooking time then press the dial to enter The display will prompt you to select the power level s 3 Turn the dial to select the upper power level Turn the dial clockwise to increase or counterclockwise to decrease the upper power level then press the dial to enter 4 Turn the dial to select the lower power level then press the dial to enter 5 Turn the dial to select the microwave power level th...

Page 9: ...ICRO 30 SECS repeatedly for 30 second increments of microwave cooking time Oven starts immediately The power level is automatically set at high but you can change it for more flexibility See Microwave power levels section in the Owner s Manual for instructions To defrost by time 1 Press the MICROWAVE pad 2 Turn the selector dial to Defrost then press the dial to enter 3 Turn the dial to By time th...

Page 10: ...al cooking time The proper containers and covers are essential for best sensor cooking Always use microwave safe containers and cover them with lids or vented plastic wrap Never use tight sealing plastic containers they can prevent steam from escaping and cause food to overcook Be sure the outside of the cooking containers and the inside of the oven are dry before placing food in the oven Beads of...

Page 11: ...iny aluminum pans are better for cakes cookies or muffins because they reflect heat and help produce a light tender crust Glass or glass ceramic casserole or baking dishes are best suited for egg and cheese recipes due to the cleanability of glass When baking on one level use the lower level The top clips are to only be used in two level baking Broil See Load Algorithm Chart for load operation in ...

Page 12: ...n Warm The WARM feature will keep hot cooked foods at serving temperature Always start with hot food Use cookware and utensils that can withstand temperatures up to 230 F 1 Press the COOKING OPTIONS pad 2 Turn the dial to select Warm then press the dial to enter 3 Turn the dial to select the level of moisture you want then press the dial to enter See the chart and tips in the Warming section of th...

Page 13: ...ead products early to avoid over proofing To avoid lowering the oven temperature and lengthening proofing time do not open the oven door unnecessarily NOTES Do not use the proofing mode for warming food or keeping food hot The proofing oven temperature is not hot enough to hold foods at safe temperatures Use the Warm feature to keep food warm Proofing will not operate if the oven is too hot Allow ...

Page 14: ...LL oven programs except clock auto night light timer vent fan and surface light SPEEDCOOK Press this pad to access the pre set speedcook menu or to set your own speedcook program CONV BAKE Press this pad to use convection bake MICROWAVE Press this pad to access the microwave menu or to set your own microwave program SETTINGS Press this pad to set the clock and access Turntable On Off Auto Conversi...

Page 15: ...tings or the feature being selected The sales demo mode is cleared by holding the START PAUSE and HELP pads down at same time for a full 3 seconds The sales mode can only be cleared during the same initial Clock Set hour display that occurs when the unit powers up after a long greater than 60 seconds power outage After 5 seconds elapse all functions of the oven will return to normal operation The ...

Page 16: ...th THIS APPLIANCE MUST BE PROPERLY GROUNDED to avoid severe or fatal shock A qualified electrician must perform a ground continuity check on the wall receptacle before beginning the installation to ensure that the outlet box is properly grounded If not properly grounded or if the wall receptacle does not meet electrical requirements noted under Electrical Requirements a qualified electrician shoul...

Page 17: ... Convection Heater Assembly Turntable Control Panel Assembly Right Side View Thermistor Diode Magnetron Fan Motor Convection Motor Magnetron TCO Relay PCB Capacitor Magnetron Convection Heater High Voltage Transformer Hood TCO Convection Heater TCO Bottom TCO ...

Page 18: ...ntable Motor Lower Heater Assembly Ventilation Blower and Motor Noise Filter Power Supply Board Humidity Sensor Air Tunnel Outlet Air Tunnel Cover Air Tunnel Inlet Vent Motor Capacitor Upper Heater Assembly Oven Lamp Cavity Cover ...

Page 19: ... 19 Control Boards and Panel Connections Control Panel Assembly rear view VFD Board Smart Board Relay Board Glass Touch Assembly Note The Selector Board not visible is located behind the Relay Board ...

Page 20: ...tor Assembly Air Tunnel Outlet Lower Heater Assembly Grill Magnetron Damper Assembly Air Tunnel Cover Oven TCO Thermal Cut Out Oven Lamp Cavity Assembly High Voltage Transformer Bottom TCO Thermal Cut Out Noise Filter Fuses Convection Heater Assembly Noise Filter Control Panel Assembly Humidity Sensor Power Supply Board Magnetron TCO Thermal Cut Out Stirrer Assembly Stirrer motor requires removal ...

Page 21: ...ate support to prevent dropping the unit 3 Remove the 4 top cabinet bolts 4 Rotate the front of the oven down from the bottom of the cabinet 5 Lift the oven and unhook it from the tabs of the mounting plate Grill To remove the Grill 1 Remove 2 Phillips head screws that attach the Grill to the top of the Outer Cover 2 Open the door 3 Slide the Grill to the left and remove Grill Outer Cover To gain ...

Page 22: ...l Assembly The Control Panel Assembly consists of a Relay Board Smart Board frame and a touch pad escutcheon The Control Panel Assembly is attached to the oven with a Phillips head screw and 6 tabs To remove the Control Panel Assembly 1 Disconnect power to the microwave oven 2 Remove the Grill See Grill 3 Remove the Phillips head screw from the top left corner of the Control Panel Assembly 4 Lift ...

Page 23: ...d up to disengage the door s upper and lower hinge pins from the hinge arms protruding from the oven To disassemble the door 1 Place the door face down on a protective surface 2 Using a putty knife carefully pry the choke cover away from the door frame 3 Remove the 5 Phillips head screws from the choke 3 on top 1 each on bottom and latch side 4 Using a flat blade screwdriver disengage the 13 door ...

Page 24: ...from the door frame Bottom Glass Retainer Top Glass Retainer 2 Lower the front of the Bottom Cover then disconnect the cooktop light wire harness 3 Remove the Bottom Cover from the oven Disconnect Bottom Cover It is necessary to remove the Bottom Cover to remove the Turntable Motor Lower Heater Ceramic and High Voltage Transformer To remove the Bottom Cover 1 Remove the 11 Phillips head screws tha...

Page 25: ...und wire to the oven frame See Noise Filter Power Cord Continued Next Page 7 Remove the rear Phillips head screw underneath the ventilation motor receptacle 8 Using long nose pliers squeeze the tabs on each side and push the ventilation motor receptacle from the Air Tunnel Inlet 9 Disconnect the wires attached to the Ventilation Motor Capacitor See Ventilation Motor Capacitor 10 Disconnect the sti...

Page 26: ...tion Motor See Ventilation Motor 3 Compress the 2 pins holding the 2 wire retainers to the Air Tunnel Cover 4 Remove the 8 Phillips head screws that attach the Air Tunnel Cover to the top of the oven Pin Pin 5 Lift the cover and disconnect the light bulb wire harness Harness Air Tunnel Outlet The Air Tunnel Outlet must be removed to access the Oven TCO and the Upper Heater Assembly and TCO To remo...

Page 27: ...103 pin 2 Buzzer and Backlight Operating Voltage Backlight is Monogram Only 12 VDC CN103 pin 3 Relay Operating Voltage 5 VDC CN103 pin 4 VFD Operating Voltage All DC voltages are measured to DC Ground CN 103 pin 5 Disassembly See Disassembly Troubleshooting 1 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 2 To gain better access to components remove the wires that plu...

Page 28: ...upply Board Disassembly To remove the Power Supply Board 1 Remove the Outer Cover See Outer Cover 2 Disconnect the 2 wire harnesses from the Power Supply Board 3 Remove the Phillips head screw and ground wire from the oven frame 4 Remove the 2 Phillips head screws that attach the Power Supply Board to the Air Tunnel Inlet Disconnect Disconnect CN16 CN6 CN5 RY7 RY11 CN01 RY9 RY12 RY14 Relay Board L...

Page 29: ... between inoperative relay pin and Relay Board CN01 pin 4 If 5 VDC is present replace Replace Relay Board If 5 VDC is not present replace Smart Board Note For situations where the above mentioned 5 VDC is not present some relays operate loads that can be controlled by the consumer from the Glass Touch Assembly If the inoperative relay is such make sure the option is selected at the key panel If it...

Page 30: ... logic operations Contains all cooking and operating algorithms Requires 18 VDC between CN103 pins 1 and 5 powers the Smart Board Buzzer and Backlight Operating Voltage 12 VDC enters the Smart Board at CN103 pins 2 and 5 and exits the Smart Board at CN103 pins 3 and 4 Relay Operating Voltage 12 VDC enters the Smart Board at CN103 pins 3 and 5 and exits the Smart Board at CN02 pins 2 and 4 VFD Oper...

Page 31: ...e at Smart Board CN103 pins 3 and 5 If 12 VDC is present replace Smart Board If 12 VDC is not present see Power Supply Board troubleshooting step 3 10 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 11 To gain better access to components remove the wires that plug into the large relays on the Relay Board See Relay Board Cut the wire tie that the Smart Board CN103 wire ...

Page 32: ...Panel Removal 3 Remove the Relay Board See Relay Board Removal 4 Remove the Smart Board See Smart Board Removal 5 Remove the VFD Board See VFD Board Removal 6 Remove the Selector Board See Selector Board Removal Part of the Control Panel Assembly Converts user touch to electrical signals Has nothing to do with the display Requires 5 VDC from Smart Board Voltage can only be checked between Smart Bo...

Page 33: ...place the Selector Board If resistance is approximately 0 Ω the Selector Board is operating properly problem is with the Smart Board Location Attached to the Glass Touch Assembly and positioned behind the Relay Board See Control Boards and Panel Connections Part of the Control Panel Assembly Used for menu navigation in general rotating clockwise CW increments selections rotating counterclockwise C...

Page 34: ...etween VFD Board CN1 pins 11 and 17 to operate Display data comes from the Smart Board Font information is contained in the VFD software All text is displayed in green Disassembly See Disassembly Troubleshooting 1 Is the display dead or displaying incorrect or incomplete information If display is displaying incorrect or incomplete information check the harness between the Smart Board and VFD If OK...

Page 35: ...er Location See Top View Helps suppress electromagnetic interference radiating from the oven and also protects the microwave from any line noise Supplies filtered neutral to the Power Supply Board and Relay Board Contains two 20 amp fuses WB27x10388 Disassembly See Disassembly Troubleshooting 1 Disconnect power to the oven 2 Remove the Grill See Grill 3 Remove the Control Panel Assembly See Contro...

Page 36: ... Phillips head screws holding the Noise Filter in place Output N Output L Fuse Fuse Input Wire Harness Filter Ground Wire Screw Upper Heaters TCO Thermal Cut Out Location Attached to the Upper Heater Assembly See Top View Safety thermostat that interrupts power to both upper heaters in the event of excessive temperatures Normally closed Opens at 320 F non resettable Disassembly See Disassembly Dis...

Page 37: ...he input of the Magnetron TCO blue and red wires If resistance is approximately 0 Ω the Oven TCO and wiring is operating correctly Note If you are troubleshooting L1 not present at the Magnetron TCO see Noise Filter troubleshooting step 5 If resistance is infinite problem is with Oven TCO or Wiring between the Oven TCO and Noise Filter line out or Wiring between the Oven TCO and the Magnetron TCO ...

Page 38: ... the Magnetron TCO replace the Magnetron TCO If 120 VAC is not present on either side of the Magnetron TCO L1 is not present at Magnetron TCO see Oven TCO troubleshooting step 1 Disconnect Disconnect Magnetron TCO Disassembly To remove the Magnetron TCO 1 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 2 Disconnect wiring from the Magnetron TCO 3 Remove the Phillips he...

Page 39: ...oting step 3 Disassembly To remove the Bottom TCO 1 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 2 Disconnect wiring from the Bottom TCO 3 Remove the Phillips head screw attaching the Bottom TCO to the oven then pull the TCO towards the right Hood Thermal Cutout TCO Location See Right Side View Used to turn on the Ventilation Motor if the bottom of the microwave get...

Page 40: ...sed when door is open and open when door is closed To remove the Monitor Switch See Door Switch Removal Door Sensing Switch Location See picture in Door Switch Removal section Attached to the latch bracket Provides door status to the Smart Board Switch is closed when door is closed and open when door is open When door is open 5 VDC can be read between pins 1 and 3 of CN07 When the door is closed v...

Page 41: ...otor operation is used for both opening and closing the damper Switch is open when the damper door is closed When the damper door is closed 5 VDC can be read between pins 3 and 4 of CN7 when the damper door is open voltage goes to 0 VDC Troubleshooting 1 Disconnect power to the microwave 2 Remove the Control Panel Assembly See Control Panel Removal 3 Manually open the damper door 4 Check resistanc...

Page 42: ...art Board is routed through 5 Reconnect power to the oven 6 Check voltage between either side of the Bottom TCO and Relay Board CN6 pin 5 If 120 VAC is present problem is with Damper Motor or wiring to motor If 120 VAC is not present see Relay Board troubleshooting step 4 To remove the damper motor See Damper Assembly Removal Damper Assembly Inlet Damper Door Bracket The Damper Assembly consists o...

Page 43: ...sing humidity released during cooking Problems with the Humidity Sensor will show up as Sensor Open on the display To remove the Humidity Sensor See Humidity Sensor Removal Troubleshooting Note The 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 interior of the oven are dry No sensor cooking is avail...

Page 44: ...mperature is 256 K Ω Disassembly To remove the Thermistor 1 Remove the Outer Cover See Outer Cover 2 Remove the Phillips head screw holding Thermistor is place Thermistor Location See Right Side View The upper thermistor blue and white wires is used for thermal compensation and more control in a higher temperature range above 300 F for Speed Cook Broil Toast and Convection The lower thermistor red...

Page 45: ...set up instructions 6 Start Speedcook cycle While unit is running check resistance between the 2 terminals on Relay Board RY7 Note This step requires checking resistance of relay contacts while the unit is running The upper heater halogen relay wires must not be connected to the relay when making this check If resistance is infinite the upper heater halogen relay is not closing See Relay Board tro...

Page 46: ...bleshooting step 4 If resistance is infinite problem is with Upper Heater Ceramic or Upper Heaters TCO or Wiring between the Upper Heater Ceramic and Upper Heaters TCO or Wiring between the Primary Interlock Switch and the Upper Heaters TCO or Wiring between Upper Heater Ceramic and the connector that connects to RY9 8 Disconnect Relay Board RY9 connector Does heater stay on If no the Relay Board ...

Page 47: ...olded lock tabs Remove 5 Phillips head screws from the heater shield Disconnect Disconnect TCO Wire Tie Wire Tie Tab 1 of 2 Screwdriver 11 Lift the heater cover from the top of the oven 12 Remove 2 Phillips head screws that attach the heater to the oven Tab Note Insulation is positioned underneath the heater shield In the following step note the position of the insulation for proper placement when...

Page 48: ...no see VFD Board troubleshooting step 1 If yes go to step 2 2 Is Lower Heater Ceramic staying on all the time or not coming on If heater is staying on go to step 8 If heater is not coming on go to step 3 3 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 4 To gain better access to components remove the wires that plug into the large relays on the Relay Board See Relay B...

Page 49: ...d wires If resistance is approximately 38 Ω see Primary Interlock Switch troubleshooting step 4 If resistance is infinite problem is with Lower Heater Ceramic Wiring between the Primary Interlock Switch and the Lower Heater Ceramic Wiring between Lower Heater Ceramic and the connector that connects to RY11 8 Disconnect Relay Board RY11 connector Does heater stay on If no Relay Board RY11 is stuck ...

Page 50: ...Heater and Convection Heater TCO or Wiring between the Primary Interlock Switch and the Convection Heater TCO or Wiring between Convection Heater and the connector that connects to RY12 8 Disconnect Relay Board RY12 connector Does heater stay on If no the Relay Board RY12 is stuck on See Relay Board troubleshooting section If yes the neutral wire to heater is shorted to ground Location See Right S...

Page 51: ... VAC is not present the turntable motor relay on the Relay Board is not closing See Relay Board troubleshooting section Disassembly To remove the Convection Heater Assembly 1 Remove the Outer Cover See Outer Cover 2 Remove the Door See Door Assembly 3 Remove the Control Panel Assembly See Control Panel Removal 4 Remove the latch board See Door Interlock Switches 5 Remove the Magnetron See Magnetro...

Page 52: ... the oven 15 Remove the 3 Phillips head screws that attach the Damper Assembly to the Convection Heater Assembly See Damper Assembly 16 Remove the 2 bottom Phillips head screws that attach the bottom of the Convection Heater Assembly to the oven 17 Remove the four 7 mm hex nuts that attach the Convection Heater Assembly to the oven 18 Position the damper toward the front of the oven then lift the ...

Page 53: ...AC 20 Watts Halogen For operating algorithms see Load Algorithm Chart Troubleshooting If it has been verified that the issue is not with the bulb and that 120 VAC is not present at the socket perform the following steps 1 Disconnect power to the oven 2 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 3 To gain better access to components remove the wires that plug into ...

Page 54: ... present at the socket perform the following steps 1 Disconnect power to the oven 2 Pivot the Control Panel Assembly out from the oven See Control Panel Removal 3 To gain better access to components remove the wires that plug into the large relays on the Relay Board See Relay Board Cut the wire tie that the Smart Board CN103 wire harness See Smart Board is routed through 4 If Bright is not working...

Page 55: ...problem is with Ventilation Motor or wiring to motor If 120 VAC is not present the ventilation fan high relay on the Relay Board is not closing See Relay Board troubleshooting section 9 Set ventilation fan to medium check voltage between either side of the Bottom TCO and Relay Board CN16 pin 3 If 120 VAC is present problem is with Ventilation Motor or wiring to motor See Wiring Diagram If 120 VAC ...

Page 56: ...r Disconnect Lock Tab 12 If motor starts up by rotating the blades disconnect power pull the two yellow wires off the Motor Capacitor and check resistance between the 2 yellow wires See Ventilation Motor Capacitor If resistance is infinite problem is with Ventilation Motor or wiring to motor If resistance is approximately 100 Ω replace the Motor Capacitor Disassembly To remove the Ventilation Moto...

Page 57: ...n Motor Capacitor to the Air Tunnel Inlet Ventilation Motor Capacitor Magnetron Fan Motor Location See Right Side View 120 VAC Single speed Part of the Magnetron Fan Assembly The fan motor has an approximate resistance value of Red to Blue Black 46 6 Ω Red to Brown 36 Ω Brown to Blue Black 10 8 Ω For operating algorithms see Load Algorithm Chart Disassembly See Disassembly Troubleshooting 1 Discon...

Page 58: ...llips head screwdriver recommended 3 Remove and capture the 2 Phillips head screws that attach the bottom of the fan cover to the air guide Disconnect Disconnect Air Guide Access Hole 1 of 2 Screw 1 of 2 Fan Cover 4 Remove the 3 Phillips head screws that attach the top of the fan cover to the oven chassis 5 Release the fan cover bottom 2 tabs from the air guide by pushing up the bottom of the fan ...

Page 59: ...ore installing the fan blade align the D shaped opening of the fan blade to engage the D shaped motor shaft Stirrer Motor Location Top of the oven cavity 21 VAC Approximately 120 Ω Part of the Stirrer Assembly The stirrer motor circuit is a series circuit with the Magnetron Fan Motor 120 VAC is supplied to the Magnetron Fan Motor The Magnetron Fan Motor drops 99 VAC leaving 21 VAC to operate the S...

Page 60: ... 4 Lift the stirrer blade off the pin embedded in the cover Blade Disconnect Stirrer Motor Stirrer Blade Hub Caution When installing the stirrer motor misalignment of the stirrer blade hub can damage the stirrer cover Before installing the stirrer motor use a screwdriver inserted into the stirrer blade hub to pre align the square drive of the stirrer blade to allow engagement of the motor shaft Th...

Page 61: ... 3 If 120 VAC is present problem is with Turntable Motor Primary Interlock Switch or wiring to motor If 120 VAC is not present the Turntable motor relay on the Relay Board is not closing See Relay Board troubleshooting section Motor Plate RF Gasket Note When replacing the Turntable Motor be sure the RF gasket is positioned over the motor shaft and between the motor and motor plate as shown below W...

Page 62: ...hms see Load Algorithm Chart High Voltage Disassembly See Disassembly Troubleshooting To troubleshoot High Voltage Transformer primary voltage see Magnetron troubleshooting section To test the High Voltage Transformer Check the following resistances Red to Yellow primary 5 Ω Red Black to chassis ground secondary 80 Ω Magnetron harness filament high voltage 2 Ω If resistance values are correct High...

Page 63: ...s that plug into the large relays on the Relay Board See Relay Board Cut the wire tie that the Smart Board CN103 wire harness See Smart Board is routed through 5 Set oven to Microwave for 2 minutes See Operating Modes for set up instructions 6 Start Microwave cycle While unit is running check resistance between the 2 terminals on Relay Board RY14 Note This step requires checking resistance of rela...

Page 64: ...may be necessary to pry back the shield while removing the 2 screws 4 Using a large flat blade screwdriver pry back the metal shield and remove the 2 rear Phillips head screws Disconnect Disconnect Disconnect Note The 2 front screws are recessed from the top of the metal shield Access holes are provided A magnetic screwdriver is necessary to capture these screws 5 Grasp the Magnetron then remove a...

Page 65: ... the capacitor or diode The capacitor is held in place with a bracket attached to the air guide with a tab and a Phillips head screw The diode is connected to the capacitor and attached to the air guide with a Phillips head screw Capacitor and Diode Before disconnecting the wires and diode from the capacitor note the locations The wire and diode connectors are firmly attached and DO NOT use releas...

Page 66: ...Available On On Damper Open Closed Closed Closed Closed Closed Moist Open Crispy Closed TT Motor On On On On On On On Oven Lamp Cavity On On On On Off On On Ventilation Motor Off Low Low Low Low Off Off Magnetron Fan On On On On On On On Load Algorithm Chart In Speedcook when the Upper Heaters or Lower Heater set above power level six the heaters will cycle at the power level for which they are se...

Page 67: ...eramic heater as well as the high voltage magnetron circuits operates on a duty cycle of 32 seconds This means the power level you select for each component controls the percentage of ON time during each 32 second period of time For example when the oven is set on power level 10 both the inner and outer halogen heaters will stay on 100 of the time On power levels less than 10 both heaters will cyc...

Page 68: ...ooking operation The display will show Optimizing time The time will flash and then display the new adjusted time based on the amount of voltage compensation required Thermal Compensation Note Thermal compensation only occurs once and only when using a preprogrammed menu item in Speedcook These items require compensation for accurate and consistent cooking results When cooking several food items c...

Page 69: ...er Thermal Sensor SHORTED Humidity Sensor OPEN Abnormal High Temp Lower Thermal Sensor OPEN Lower Thermal Sensor SHORTED 4 Turn ON for 5 minute test 5 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 6 Maximum leakage is 4 MW CM2 7 Record data on service inv...

Page 70: ...on and Magnetron Fan for 10 seconds Once in the diagnostics cycle control will start sequentially turning on loads elements and advancing to the next step each time the dial is pressed or the step time has elapsed Before advancing to the next step the current loads components are turned off If CLEAR OFF is pressed at any time during service mode the control shall exit service mode and return to no...

Page 71: ...IUM VENT MOTOR LOW VENT MOTOR FAN MOTOR MOTOR DAMPER MOTOR CONVECTION MOTOR TURNTABLE INRUSH RELAY 320F 32F 320F 32F 320F 32F 1 5 3 5 1 3 5 7 3 1 3 1 9 VOLTAGE COMPENSATION TRANSFORMER O L C L D M F M S M C M T T M N L N L NOTE CIRCUIT SHOWN WITH DOOR IN OPEN POSITION 1 2 CN01 1 2 1 12 1 2 3 4 5 Vacuum Florescent Display VFD Glass Touch Assembly Selector Board Humidity Sensor Door Switch Bottom Da...

Page 72: ... H V C CONVECTION HEATER H V DIODE W VENTILATION MOTOR B C P N I A M D R A O B T R A M S 1 1 Y R H R E W O L 5 N C 1 3 5 1 B C P Y A L E R 3 5 6 N C 7 9 BL5 BK6 BN5 BK4 Y8 BN4 W4 R1 BK10 BL2 Y2 Y8 Y9 BK GY R W MOTOR CONDENSER STIRRER MOTOR Y4 W7 R7 P3 W GN POWER CORD BK 1 2 CN02 1 2 6 1 N C 1 5 3 CN01 7 9 0 3 9 2 29 30 4 1 Y R T G M 1 1 S H V N O C 2 1 Y R C W BN4 W4 BK4 BK1 W2 GY1 BN3 R1 GN NOISE...

Page 73: ...g the product to an Authorized GE Service Location for service In Alaska the warranty excludes the service calls to your home Some states do not allow the exclusion or limitation of incidental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consume...

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