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– 62 –

Metal Shield

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 and capture 

the 2 front screws.

6.  Carefully remove the Magnetron from the oven.  

Metal Shield

Capacitor and Diode

Diode

Capacitor

• Location 

(See 

Right Side View

.

)

•  The diode works along with the capacitor to 

effectively double the already-high voltage 
that is provided by the power transformer. This 
voltage, approximately 3000 - 5000 VDC , is 
applied to the Magnetron tube, causing it to 
produce the microwave energy that cooks the 
food.

Troubleshooting

Diode - Check resistance of the diode using a meter 
operated by a 9-volt battery. Put the red lead on the 
positive side of the diode and the black lead on the 
negative side of the diode. Meter should read low 
resistance. Reverse the leads and meter should read 
in nity.

Capacitor - Discharge capacitor, then ohm out both 
terminals and each terminal to the capacitor case. 
All readings should be in nite or very high.

To remove 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. It is necessary to remove the lower blower 
motor to access the capacitor strap and diode 
screws. (See 

Lower Blower Motor

.)

Before disconnecting the wires and diode from the 
capacitor, note the locations. The wire and diode 
connectors are  rmly attached and DO NOT use 
releasing locking tabs.

(

Continued Next Page

)

Содержание Advantium PSA2201R

Страница 1: ... ATC Technical Service Guide SEPTEMBER 2010 GE Appliances PSA2200R PSA2201R ZSA2201R 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 ...

Страница 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...

Страница 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 ...

Страница 4: ...6 Convection Heater 46 Convection Heater Assembly 47 Convection Heater TCO Thermal Cut Out 36 Cooktop Lamp 50 Cooldown Chart 66 Damper Assembly 40 Damper Motor 40 Damper Switch 39 Demo Mode 15 Diagnostics and Service Information 68 Door Assembly 23 Door Sensing Switch 39 Door Switch Removal 39 Glass Touch Assembly 32 Grill 21 High Voltage Transformer 60 Hood TCO Thermal Cut out 38 Humidity Sensor ...

Страница 5: ...tic 72 Schematics and Wiring Diagrams 72 Selector Board 33 Sensor and Keypanel Failure Detection 68 Service Test Mode 69 Smart Board 30 Standard Test Load 68 Stirrer Assembly 58 Stirrer Motor 57 Thermal Compensation 67 Thermistor 42 Troubleshooting Dead Unit 70 Turntable Motor 59 Upper Cooling Motor 53 Upper Heater Assembly 44 Upper Heater Halogen 1 and 2 43 Upper Heater Interlock Switch 38 Upper ...

Страница 6: ...e door frame The mini manual is located behind the control panel on the right side of the oven Nomenclature GE Speedcook Technology The letter designating the year repeats every 12 years Example T 2010 T 1998 T 1986 Serial Number The rst two characters of the serial number identify the month and year of manufacture Example ST123456S September 2010 S SEP 2010 T T OCT 2009 S V NOV 2008 R Z DEC 2007 ...

Страница 7: ...hey have been cooked Proof Provides correct temperature for proo ng dough See the Operating Modes section for Information pertaining to starting a cycle See Load Algorithms for information pertaining to how the loads cycle during each mode Cooking modes are started by pressing a key on the key panel When a selection has been made a menu appears on the display The selector knob is then used to navi...

Страница 8: ...ter 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 then press the dial to enter 6 Turn the dial...

Страница 9: ... MICRO 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 exibility 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...

Страница 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...

Страница 11: ...iny aluminum pans are better for cakes cookies or muf ns because they re ect 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 Br...

Страница 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...

Страница 13: ...oid lowering the oven temperature and lengthening proo ng time do not open the oven door unnecessarily NOTES Do not use the proo ng mode for warming food or keeping food hot The proo ng oven temperature is not hot enough to hold foods at safe temperatures Use the Warm feature to keep food warm Proo ng will not operate if the oven is too hot Allow the oven to cool before proo ng Idle When the micro...

Страница 14: ...L 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 Conversio...

Страница 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 ...

Страница 16: ...n cause injury or death THIS APPLIANCE MUST BE PROPERLY GROUNDED to avoid severe or fatal shock A quali ed 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 quali e...

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

Страница 18: ...bly Ventilation Motor Capacitor Ventilation Blower and Motor Noise Filter 1 Upper Cooling Motor Power Supply Board Humidity Sensor Noise Filter 2 Air Tunnel Outlet Air Tunnel Cover Air Tunnel Inlet Lower Blower Motor Upper Heater Assembly Oven Lamp Cavity Cover ...

Страница 19: ... 19 Control Boards and Panel Connections Control Panel Assembly rear view VFD Board Smart Board Relay Board ...

Страница 20: ...or 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 Cooktop Lamp and Receptacle Noise Filters Control Panel Assembly Humidity Sensor Power Supply Board Magnetron TCO Thermal Cut Out Stirrer Assembly Stirrer Motor requires removal...

Страница 21: ... adequate 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 Outer Cover To gain ...

Страница 22: ...rd Bracket 5 Pivot the panel out from the oven Mark and disconnect the wire harnesses that connect the Control Panel Assembly to the oven Control Panel 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 po...

Страница 23: ...lifted up to disengage the door s upper and lower hinge pins from the hinge arms protruding from the oven Continued Next Page 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 at blade screwdriver...

Страница 24: ...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 lower blower motor and High Voltage Transformer To remove the Bottom Cover 1 Remove the 11 Phillips head scre...

Страница 25: ...that attaches both lter board ground wires to the oven frame Disconnect Disconnect Neutral Wire Retainer Continued Next Page 8 Remove the rear Phillips head screw underneath the ventilation motor receptacle 9 Disconnect the wires attached to the ventilation motor capacitor 10 Disconnect the stirrer motor wire harness See Stirrer Assembly 11 Disconnect the wires attached to the cooling fan motor Se...

Страница 26: ...ion Motor See Ventilation Motor Removal 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 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 halogen heaters and halogen heater TCOs To remove...

Страница 27: ...n 2 is used to operate the Buzzer and back light Back Light is Monogram Only 12 VDC CN103 pin 3 is used to power relays on the Relay Board 5 VDC CN103 pin 4 is used to operate the VFD All DC voltages are measured to DC Ground CN 103 pin 5 Troubleshooting If one or more but not all voltages are missing replace Power Supply Board If all Power Supply voltages are missing check voltage between Power S...

Страница 28: ...sed for load switching but also contains voltage compensation circuits and the Buzzer To energize relays that operate any of the heat sources the Smart Board has to supply a 12 VDC relay operating voltage CN01 pin 2 a 5 VDC relay enable voltage CN01 pin 28 and another 5 VDC turn on voltage See Relay Chart on the next page To energize relays that operate loads that are not heat sources all of the a...

Страница 29: ...closing see Relay Enable Not Closing If the Buzzer is not working see Buzzer Note To gain better access to components remove the wires that plug onto 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 All Relays Not Closing Check voltage between Relay Board CN5 pins 1 and 3 If 120 VAC is not present the wir...

Страница 30: ... cooking and operating algorithms Uses the relay board to switch loads All DC voltages generated by the Power Supply Board pass through the Smart Board Requires 18 VDC between CN103 pins 1 and 5 Powers the Smart Board Troubleshooting If the Smart Board is not supplying 5 VDC to the VFD see VFD Operating Voltage If the Smart Board is not supplying relay operating voltage to the Relay Board see Rela...

Страница 31: ...art Board and Power Supply Board If OK replace Power Supply Board Back Light or Buzzer Operating Voltage Note To gain better access to components remove the wires that plug onto 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 Check voltage at Smart Board CN103 pins 2 and 5 If 12 VDC is present replace Sm...

Страница 32: ... To remove the Glass Touch Assembly 1 Disconnect power to the oven 2 Remove the control panel assembly See Control 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 Glass Touch Assembly Part of the control panel assembly Converts user tou...

Страница 33: ...owly rotate the selector knob in either direction As switch passes from one detent to the next resistance should read approximately 0 Pin 1 If resistance is not approximately 0 replace Selector Board If resistance is approximately 0 repeat the steps above for pins 2 and 3 If resistance readings are correct check resistance between pins 4 and 5 Resistance should be in nite If not replace Selector B...

Страница 34: ...between 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 Troubleshooting If the display is displaying incorrect or incomplete data Check the harness between the Smart Board and VFD If OK replace VFD and Smart Board If the display is not lit dead Note To gain better access to components r...

Страница 35: ...he oven frame 5 Remove the 2 Phillips head screws holding the lter board in place Noise Filter 2 Location See Component Locator Views Prevents arcing between the heater and sheath of the convection heater Contains two 20 amp fuses WB27x10388 Troubleshooting Check voltage at Noise Filter 2 input If 120 VAC is present check both fuses If OK replace Noise Filter 2 If 120 VAC is not present ensure hou...

Страница 36: ...n See Air Tunnel Outlet 3 Lift and position the Air Tunnel Outlet to the right 4 Disconnect the 2 wires from the TCO 5 Remove the Phillips head screw that attaches the TCO to the heat shield Convection Heater TCO Thermal Cut Out Location See Right Side View Interrupts line voltage to the Convection Heater in the event of excessive temperatures Normally closed Opens 320 F non resettable Convection ...

Страница 37: ...lyout from the oven See Control Panel Removal 2 Disconnect wiring from the Magnetron TCO 3 Remove the Phillips head screw that attaches the Magnetron TCO to the air guide then pull the TCO towards the bottom Disconnect Disconnect Magnetron TCO Bottom TCO Thermal Cut Out Location On the base behind the control panel See photo below Used to disable oven in the event of a cooktop re Purpose is to kee...

Страница 38: ...Switch is closed when door is closed and open when door is open To remove the upper heater interlock switch See Door Switch Removal Monitor Switch Attached to the latch bracket See picture in Door Switch Removal section The switch is intended to render the oven inoperative by means of blowing either of the 20 amp fuses on Noise Filter 1 This occurs when voltage is applied to the High Voltage Trans...

Страница 39: ...mary Interlock Switch Upper Heater Interlock Switch located behind monitor switch Door Sensing Switch Monitor Switch Latch Bracket 4 Using a small at blade screwdriver release the tabs and remove the door switch from the latch bracket Damper Switch Location Behind control panel next to oven cavity Part of the Damper Assembly The Damper Switch is used for a timing event When the damper door is clos...

Страница 40: ...elay Board is not closing See Smart Board troubleshooting section If Damper Motor runs continuously Check the Damper Switch circuit See Damper Switch To remove the Damper Motor See Damper Assembly Removal Link Actuator Arm Damper Assembly Damper Motor Inlet Damper Door The Damper Assembly consists of inlet and outlet damper doors Damper Motor and Damper Switch The inlet damper door Damper Motor an...

Страница 41: ...n the display Humidity Sensor Test 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 available while the oven is hot Wait 5 minutes after using Broil Toast Warm Convection Bake or Speedcook to allow the oven to cool enough to use sensor cooking...

Страница 42: ...Cook Broil Toast and Convection To test the upper thermistor disconnect Smart Board CN09 Check resistance between the blue and white wires Resistance at room temperature is 100K ohm The lower thermistor red and white wires is used for more control in a lower temperature range below 300 F and is used for Proof and Warm To test the lower thermistor disconnect Smart Board CN9 Check resistance between...

Страница 43: ...esistance is in nite relay is not closing See Relay Board troubleshooting section If resistance is approximately 0 continue to next check Check voltage at house receptacle If voltage is incorrect house wiring is bad If voltage is correct problem is with Upper Heater Halogen 1 UHH1 TCO Upper Heater Interlock Switch or wiring between these components Upper Heater Halogen 2 Troubleshooting Note To ga...

Страница 44: ... screwdriver straighten the 2 left side folded lock tabs Remove 5 Phillips head screws from the heater shield Disconnect Disconnect TCO TCO Wire Tie Wire Tie Tab 1 of 2 Screwdriver 11 Lift the heater cover from the top of the oven 12 Remove 4 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 positio...

Страница 45: ...edcook Set lower power level to 10 See Operating Modes for set up instructions Check resistance between the 2 terminals on Relay Board RY11 Caution wires must not be connected to the relay If resistance is in nite relay is not closing See Relay Board troubleshooting section If resistance is approximately 0 continue to next check Check voltage at house receptacle If voltage is incorrect house wirin...

Страница 46: ...ng Modes for set up instructions Check resistance between the 2 terminals on Relay Board RY12 Caution wires must not be connected to the relay If resistance is in nite relay is not closing See Relay Board troubleshooting section If resistance is approximately 0 continue to next check Check voltage between Noise Filter 2 line out and Noise Filter 2 neutral out If 120 VAC is present problem is with ...

Страница 47: ...mart Board is routed through Check voltage between either side of the Bottom TCO and Relay Board CN6 pin 7 If 120 VAC is not present convection relay is not closing See Relay Board troubleshooting section If 120 VAC is present problem is with Convection Motor or wiring See Wiring Diagram to motor To remove the convection fan motor See Convection Heater Assembly Continued Next Page 8 Remove the 3 P...

Страница 48: ... the 2 bottom Phillips head screws that attach the bottom of the Convection Heater Assembly to the oven 18 Remove the four 7 mm hex nuts that attach the Convection Heater Assembly to the oven 19 Position the damper toward the front of the oven then lift the bottom of the Convection Heater Assembly out from the oven 13 Remove the Phillips head screw that attaches the power board ground wire to the ...

Страница 49: ...d Next Page Front View of Outer Convection Fan The Convection Fan Motor is attached to the motor bracket with two 7 mm hex nuts To access the hex nuts remove the 3 Phillips head screws and the fan motor bracket that is attached to the Convection Heater Assembly Rear View of Convection Fan Motor Convection Fan Motor Fan Motor Bracket Front View of Convection Fan Motor Hex Nut Hex Nut Oven Lamp Cavi...

Страница 50: ...eld 4 Lift the right side of the shield and remove it from the opening Note If necessary pull the light bulb out and replace with a 120V 130V 20W halogen bulb part WB25X10019 The light bulb receptacle is attached to the shield with 2 Phillips head screws and two 7 32 in hex head nuts A wire harness connects the receptacle to the shield Light Bulb Harness Cooktop Lamp Location Bottom of microwave 1...

Страница 51: ...tom TCO and Relay Board CN16 pin 1 If 120 VAC is present problem is with Ventilation Motor or wiring See Wiring Diagram 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 No medium speed fan Check voltage between either side of the Bottom TCO and Relay Board CN16 pin 3 If 120 VAC is present problem is with Ven...

Страница 52: ...up the ventilation motor and place it on top of the oven as shown below 5 Remove the 2 Phillips head screws that attach the ventilation motor to the back of the oven View From Rear Note The ventilation motor electrical disconnect is located inside the Outer Cover 7 Locate the lock tab on top of the disconnect and position a at blade screwdriver as shown below 8 Using the blower opening in the Oute...

Страница 53: ...ove the wires that plug onto 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 Check voltage between either side of the Bottom TCO and Relay Board CN16 pin 7 If 120 VAC is present problem is with Upper Cooling Motor or wiring See Wiring Diagram to motor If 120 VAC is not present the Upper cooling motor rel...

Страница 54: ...s that plug onto 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 Check voltage between either side of the Bottom TCO and Relay Board CN16 pin 9 If 120 VAC is present problem is with Lower Cooling Motor or wiring See Wiring Diagram to motor If 120 VAC is not present the Lower Cooling Motor relay on the Re...

Страница 55: ...to the baseplate Continued Next Page 7 Move the Lower Cooling Motor toward the right and carefully maneuver the Lower Cooling Motor out from the oven Blower Outlet Blower Base Magnetron Fan Motor Fan Motor Location See Component Locator Views 120 VAC Single speed Part of the Magnetron Fan Assembly The fan motor assembly has an approximate resistance value of Red to Blue Black 46 6 Red to Brown 36 ...

Страница 56: ...hooting section Disassembly See Magnetron Fan Assembly Disconnect Disconnect Magnetron Fan Assembly To remove the Magnetron Fan Assembly 1 Remove the Outer Cover See Outer Cover 2 Note the location of the fan motor wire harness and wire then disconnect the fan motor wiring Note In the following step 2 screw access holes have been provided in the back of the oven to remove 2 fan cover screws Use a ...

Страница 57: ...he fan blade from the motor shaft 8 Remove the 2 Phillips head screws that attach the fan motor to the fan cover Stirrer Motor Location Top of the oven cavity 21 VAC Approximately 120 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 the magnetron fan drops 99 VAC leaving 21 VAC to operate the Stirrer Mo...

Страница 58: ...imately 1 inch then slide it to the left and remove the cover from 2 tabs located on the right To remove the Stirrer Motor Note It is not necessary to remove the stirrer blade when removing the Stirrer Motor 1 Remove the Air Tunnel Cover See Air Tunnel Cover 2 Disconnect the stirrer motor wire harness 3 Remove the 2 Phillips head screws that attach the Stirrer Motor to the top of the oven 4 Lift t...

Страница 59: ...k Switch or wiring See Wiring Diagram to motor If 120 VAC is not present the Turntable motor relay on the Relay Board is not closing See Relay Board Troubleshooting Section Continued Next Page 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 When replacing the turntable suppor...

Страница 60: ...5 Red Black to chassis ground secondary 80 Magnetron harness lament high voltage 2 For operating algorithms see Load Algorithm Chart Microwave 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 Red Black to chassis ground secondary 80 Magnetron ha...

Страница 61: ...through Set oven for Speedcook Set microwave power level to 10 See Operating Modes for set up instructions Start Speedcook cycle Caution In the following check wires must not be connected to the relay While unit is running check resistance between the 2 terminals on Relay Board RY14 Continued Next Page If resistance is in nite the magnetron relay on the Relay Board is not closing See Relay Board t...

Страница 62: ...operated by a 9 volt battery Put the red lead on the positive side of the diode and the black lead on the negative side of the diode Meter should read low resistance Reverse the leads and meter should read in nity Capacitor Discharge capacitor then ohm out both terminals and each terminal to the capacitor case All readings should be in nite or very high To remove the capacitor or diode The capacit...

Страница 63: ...in 30 seconds Diode Screw Capacitor Bracket Screw Bracket Air Guide Diode Capacitor WARNING Always be certain the capacitor is discharged before servicing Use electrician s discharge pliers and electrician s gloves under Kevlar gloves or equivalent protective gloves when discharging the capacitor Place the pliers between the diode connection of the capacitor and the oven chassis ground ...

Страница 64: ...F Cycles from 169 F to 195 F Cycles at 95 F Convection Fan Off Always on except Conv PL 0 then Off On On On 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 Off Off On On Upper Cooling Motor Off On Off On On Off Off Lower Cooling Motor ON On On On On Off Off Ventilation Motor Off On Off On On Off Off Magnetron Fan...

Страница 65: ... 425 Reaches temperature and then cycles at 325 F for remainder of programmed time Power Level 0 1 2 3 4 5 6 7 8 9 10 On Time Seconds 0 3 2 6 4 9 6 12 8 16 0 19 2 22 4 25 6 28 8 32 0 Off Time Seconds 32 0 28 8 25 6 22 4 19 2 16 0 12 8 9 6 6 4 3 2 0 PL Power Level Chart Convection PL Chart The programming on the Smart Board which controls the upper halogen lamps pair and the lower ceramic heater as...

Страница 66: ... On for 3 mins On for 3 mins On for 3 mins Off Off Upper Cooling Motor Door Open 350 F Off On for 5 mins On for 5 mins On for 5 mins Off Off 350 F Off On for 2 mins On for 2 mins On for 2 mins Off Off Door Closed 350 F Off On for 5 mins On for 5 mins On for 5 mins Off Off 350 F Off On for 2 mins On for 2 mins On for 2 mins Off Off Lower Cooling Motor Door Open 350 F On for 3 mins On for 5 mins On ...

Страница 67: ...ooking operation The display will show Optimizing time The time will ash 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 con...

Страница 68: ...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...

Страница 69: ...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...

Страница 70: ...0 VAC is present replace Magnetron TCO If 120 VAC is not present continue to next step 7 Check voltage between Noise Filter 1 line and neutral output If 120 VAC is not present go to step 11 If 120 VAC is present continue to next step 8 Check voltage between Relay Board CN5 pin 3 and Noise Filter 1 line output If 120 VAC is not present wire between CN5 pin 3 and Noise Filter 1 neutral out is open I...

Страница 71: ...DC is not present replace Power Supply Board If 18 VDC is present continue to next step 15 Check voltage between Smart Board CN103 pins 1 and 5 If 18 VDC is not present wire is open between Smart Board CN103 and Power Supply Board CN103 If 18 VDC is present replace Smart Board ...

Страница 72: ...Capacitor HV Transformer Magnetron Monitor Switch Middle Turntable Motor Convection Motor Damper Motor Stirrer Motor Mag Fan Motor Motor Capacitor Ventilation Motor Lower Cooling Motor Cooktop Lamp Upper Cooling Motor Oven Lamp Fuse 20A Fuse 20A Fuse 20A Fuse 20A Convection Heater Convection Heater TCO Noise Filter 1 Lower Heater Ceramic Noise Filter 2 Upper Heater Halogen 2 Upper Heater Halogen 1...

Страница 73: ...INTERLOCK M G TT C O HOODT C O R1 BK10 P1 BK11 BL1 P2 R6 BL7 BK9 BN3 R7 MIDDLE R8 BK5 W7 Y5 SWITCH MONITOR Y6 Y5 R7 R8 BK13 W8 Y8 R12 BK12 W7 Y7 BN5 R11 W W LAMP COOKTOP BL9 R BK12 W1 BL2 BL8 R9 CONVECTION HALOGEN HEATER W W H V T W F FA M G TTUBE VENTILATION MOTOR MOTOR CONDENSER FAN MOTOR BK8 BL5 BL6 Y4 BL5 BK7 BN2 Y4 Y3 W6 Y3 GY1 BK BL Y W R GY STIRRER MOTOR BK BK5 W2 W5 Y2 BK7 BN2 GN W BL3 BK4...

Страница 74: ... to bring 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...

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