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GE JVM2070 H, Техническое обслуживание руководство

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Bottom and Hood Thermal Cutout (TCO) .................................................................................................... 18

Cavity Thermal Cutout (TCO) ...................................................................................................................... 13

Component Locator Views .......................................................................................................................... 7

Components ................................................................................................................................................ 9

Control Features ......................................................................................................................................... 6

Control Panel ............................................................................................................................................. 16

Control Performance Test ........................................................................................................................... 20

Cooling Fan and Motor ............................................................................................................................... 12

Demonstration Mode .................................................................................................................................. 21

Diagnostics Test ........................................................................................................................................ 21

Door Interlock Switches ............................................................................................................................. 16

Exhaust Fan ............................................................................................................................................... 9

Fuses ........................................................................................................................................................ 13

Gas Sensor ................................................................................................................................................ 14

Hidden Vent Motor ..................................................................................................................................... 15

High Voltage Capacitor ............................................................................................................................... 18

Illustrated Parts Catalog ............................................................................................................................. 30

Interior Light ............................................................................................................................................... 15

Magnetron .................................................................................................................................................. 14

Magnetron Thermal Cutout (TCO) ............................................................................................................... 13

Microwave Leakage Test ............................................................................................................................ 22

Microwave Removal and Component  Access .............................................................................................. 9

Nomenclature .............................................................................................................................................. 5

Performance Test ....................................................................................................................................... 22

Primary Interlock System Test ................................................................................................................... 17

Schematic .................................................................................................................................................. 29

Sensor Test (Quick Test) ............................................................................................................................ 20

Side Stirrer ................................................................................................................................................. 10

Side Stirrer Motor ....................................................................................................................................... 10

Smart Board ............................................................................................................................................... 23

Strip Circuits .............................................................................................................................................. 24

Surface Lamp Assemblies .......................................................................................................................... 19

Surface Lamps ........................................................................................................................................... 19

Top Stirrer ................................................................................................................................................... 11

Top Stirrer Motor ......................................................................................................................................... 11

Touchscreen Display ..................................................................................................................................  6

Transformer ................................................................................................................................................ 14

Troubleshooting .......................................................................................................................................... 20

Turntable Motor .......................................................................................................................................... 18

Warranty .................................................................................................................................................... 33

Wiring Diagram .......................................................................................................................................... 28

Table of Contents

Содержание JVM2070 H

Страница 1: ...MODEL SERIES JVM2070_H TECHNICAL SERVICE GUIDE GE Consumer Industrial Over the Range Microwave Oven PUB 31 9111 2 04 ...

Страница 2: ... avoid 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 an...

Страница 3: ...URFACES ARCING WEARAND 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 INTEGRITYAND CONNECTIONS E ANY DEFECTIVE OR MISADJUSTED COMPONENTS IN THE INTERLOCK MONITOR D...

Страница 4: ...tor 18 Illustrated Parts Catalog 30 Interior Light 15 Magnetron 14 Magnetron Thermal Cutout TCO 13 Microwave Leakage Test 22 Microwave Removal and Component Access 9 Nomenclature 5 Performance Test 22 Primary Interlock System Test 17 Schematic 29 Sensor Test Quick Test 20 Side Stirrer 10 Side Stirrer Motor 10 Smart Board 23 Strip Circuits 24 Surface Lamp Assemblies 19 Surface Lamps 19 Top Stirrer ...

Страница 5: ...ity Size cu ft 20 2 0 cu ft Feature Pack Designates features the higher the number the more features Model Year Designator Case Color S Stainless W White C Bisque B Black Serial Number The first two numbers of the serial number identify the month and year of manufacture Example AG123456S January 2004 A JAN 2005 H D FEB 2004 G F MAR 2003 F G APR 2002 D H MAY 2001 A L JUN 2000 Z M JUL 1999 V R AUG 1...

Страница 6: ...chscreen or HOME or open the door to wake up the display Pressing OFF while on any other screen will cancel the current screen and return the display to the HOME screen HOME HOME returns the display to the HOME screen displayed at any time The HOME screen is the starting point for setting any cooking or defrost program or for setting microwave options If the touchscreen is dark press the HOME butt...

Страница 7: ...ht 2 Main and HV Transformer Fuses 3 Hidden Vent Switch and Motor 4 Vent Fan and Motor 5 Top Stirrer Motor 6 Cavity Thermal Cutout TCO 7 Side Stirrer Motor 8 MagnetronAntenna Waveguide 9 Vent Tunnel 10 Gas Sensor Top View 7 2 3 4 5 6 8 9 10 1 ...

Страница 8: ...oltage Transformer 4 Magnetron Cooling Fan Motor and Blade 5 High Voltage Capacitor 6 Door Sensing Switch Primary Interlock and Monitor Switch in plastic mount not shown 7 Bottom Thermal Cutout TCO 8 Hood Thermal Cutout TCO Right Side View 2 1 3 5 4 6 7 8 ...

Страница 9: ...n place Tilt the microwave forward and lift it off the lower tabs of the rear mounting plate Route the power cord through the hole Place the microwave on a protected counter or table To remove the cover remove 2 screws from the left side 3 screws from the right side 5 screws from the top 5 screws from the rear and 2 screws from the bottom of the outer cover Open the microwave oven door Slide the h...

Страница 10: ...Removal and Component Access Disconnect the wire connector to the side stirrer motor Remove the screw and turn the motor 1 8 turn CCW Note When installing stirrer motor be sure the locating pin is inserted in the motor mounting tab and the side stirrer is resting on the support in the cover prior to installing the screw Disconnect Screw Side Stirrer Removal Open the oven door Pull the plastic rive...

Страница 11: ... complete circuit Check motor circuit for 21 VAC when operating Removal Remove the microwave see Microwave Removal and Component Access Disconnect the side stirrer motor electrical connector Remove 2 screws and ground wire from the duct and move the duct out of the way Disconnect Top Stirrer Removal Open the oven door Pull the plastic rivet out of the stirrer cover Rotate the stirrer cover CCW unt...

Страница 12: ...Removal and Component Access Remove the screw at the top of the control panel Slide the control panel up and remove it Disconnect 8 electrical connectors and the ground wire from the control panel Move the TCO out of the way Disconnect the power transformer Remove 3 screws from the fan motor mounting plate Slide the mounting plate forward to allow access to the fan blade Slide the fan blade off of...

Страница 13: ...of the microwave oven on the left side of the forward vent duct The microwave oven shuts off when the temperature of the cavityTCO reaches 212 F 100 C The cavity TCO is a normally closed switch An open reading across the TCO indicates an overtemperature condition or failed TCO The cavity TCO is not resettable Removal Remove the microwave see Microwave Removal and Component Access Slide the cavity ...

Страница 14: ...st be closed Removal WARNING Prior to servicing the transformer be certain the capacitor is discharged Manually discharge by placing an insulated handle screwdriver between the diode connection of the capacitor and the oven chassis ground Remove the microwave see Microwave Removal and Component Access Remove the screws and the bottom panel Disconnect electrical connectors Remove the white and red ...

Страница 15: ...n vent motor is located behind the hidden vent on the right side Resistance through the hidden vent motor from the CN03 pin 1 to the power cord N is approximately 28 8 ohms Removal Note This component may be able to be accessed without removing the microwave If the 2 end screws on top of the outer cover are accessible the hidden vent can be removed without removing the microwave from its installat...

Страница 16: ... firmly closed thereby activating both interlock switches The primary interlock system consists of the door sensing switch primary interlock switch and power relay Monitor Switch The monitor switch is operated indirectly by the bottom latch pawl The pawl operates a cam switch which in turn activates the monitor switch The switch is intended to render the oven inoperative by means of blowing the mo...

Страница 17: ...est Isolate the switch and connect the ohmmeter to the common COM and normally open NO terminal of the switch The meter should indicate an open circuit with the door open and a closed circuit with the door closed If improper operation is indicated replace the primary interlock switch Note The primary interlock switches are not adjustable and must be replaced if test is failed Door Sensing Switch D...

Страница 18: ...20 C The hood TCO is a normally open switch When it reaches 158 F 70 C the vent motor turns on Removal procedures are the same for both TCOs Removal and Replacement Remove the hidden vent see Microwave Removal and Component Access Remove the screw and the grill see Hidden Vent Motor Lift the control panel up and remove Turntable Motor Resistance through the turntable motor from the CN02 pin 4 to t...

Страница 19: ... Removal Remove 5 screws from the bottom of the microwave oven cabinet and remove the bottom plate Remove the screw from each lamp socket and remove the lamp assembly from the oven Disconnect the electrical connector Pull the light out of the socket Note When installing a new halogen bulb be sure to handle the bulb with a clean dry cloth Replace the halogen lamp with a 120VAC 20W GE halogen lamp b...

Страница 20: ...unction Touch CLEAR after each function test to clear that function Repeat the procedure for each function to exercise each pad Control and display should respond to each entry Display should revert to Time Of Day after each CLEAR Troubleshooting Sensor Test Quick Test Press and hold the OFF and LIGHT buttons for 3 seconds Note diagnostic number displayed 15 to 185 Normal 213 or higher Sensor fail...

Страница 21: ...The CUR value is the present A D value of the sensor DET is the value at the moment the humidity detection point was reached MIN is the lowest humidity point measured during entire feature s run MAX is the highest humidity value measured during the feature s run These data points are the dynamic measurements of the sensor not the calculated values Pressing the DONE key terminates the diagnostic sc...

Страница 22: ...4 Turn the oven on for 5 minutes 5 Hold the probe perpendicular to the surface being tested and scan the surfaces at a rate of 1 inch sec Test the following areas The entire perimeter of the door and control panel The viewing surface of the door window The exhaust vents 6 The maximum leakage is 4 MW CM2 7 Record data on the service invoice and microwave leakage report Note The maximum allowable le...

Страница 23: ... Pin 1AZU 1 Pin 3 VIL 1 Pin 5 GRA 1 Pin 7 BRN 1 Hood TCO Main Fuse Louver Motor Pin 4 ORG 1 Pin 5 PIN 1 Pin 7 WHT 9 Pin 9 BLK 7 Turntable Motor Fan Motor Fan Motor Oven Lamp Pin 1 BLU 2 Pin 3 YEL 1 Cooktop Lamps Cooktop Lamps CN05 Pin 1 ORG Pin 2 ORG Door Sense Switch Door Sense Switch CN06 Door Sensing Connector Pin 1 YEL Pin 2 BLU Pin 3 RED Louver Switch CN07 Louver Motor Switches Connector Pin ...

Страница 24: ... 24 Strip Circuits Vent Motor Does Not Work Fan Motor Does Not Work Louver Motor Does Not Work ...

Страница 25: ...ty TCO is not resetable It must be replaced Dead Unit Cavity or Magnetron TCO Does Not Work Top Stirrer Side Stirrer or Drive Motor Does Not Work Note The Bottom TCO is not resetable It must be replaced Dead Unit Bottom TCO Does Not Work FAN MOTOR DRIVE MOTOR FM DM 0V 120V 21V BLK PIN BLK ORG Pin 4 ...

Страница 26: ... 26 Interior Light Does Not Work Surface Lamps Do Not Work ...

Страница 27: ...es continuity exist between the HV transformer blue wire and secondary interlock 2 blue wire thru HV transformer fuse Replace the HV transformer fuse or repair faulty wiring No Yes No Does continuity exist between the secondary interlock 2 blue wire and power cord Repair faulty wiring No Yes Does continuity exist between the HV transformer white wire to power cord thru secondary interlock 1 door c...

Страница 28: ... 28 Note For servicing replacement use 16GA 105 C thermoplastic covered leads or as noted on special leads WARNING Power must be disconnected before servicing this appliance Wiring Diagram ...

Страница 29: ... 29 Code No DE99 00125F WARNING Power must be disconnected before servicing this appliance Schematic ...

Страница 30: ... 30 Illustrated Parts Catalog ...

Страница 31: ...37 WB56X10450 BASE BOTTOM SUB ASM 1 38 WB36X10071 GLASS COOKTOP LAMP 1 39 WB36X10217 COVER GLASS 1 41 WB06X10126 BUTTON LOCK 2 42 WB06X10518 COVER STIRRER TOP 1 48 WB06X10519 STIRRER TOP ASM 1 49 WB06X10520 COUPLER TT 1 50 WB06X10521 HOLDER RACK 8 51 WB06X10522 COVER STIRRER SIDE 1 54 WB06X10523 STIRRER SIDE ASM 1 55 WB26X10136 MOTOR TURNTABLE 1 56 WB06X10524 COVER FRONT 1 57 WB01X10065 NUT MAGNET...

Страница 32: ... CAVITY 1 103 WB26X10090 BLADE FAN 1 104 WB27X10194 TCO HOOD 1 105 WB26X10089 MOTOR FAN 1 106 WB27X10011 CAPACITOR 1 107 WB06X10287 BRACKET HVC 1 108 WB27X1160 H V DIODE 1 109 WB26X10139 DUCT REAR ASM 1 110 WB27X10724 TRANS H V 1 111 WB27X1127 TCO BOTTOM 1 112 WB56X10448 BASE PLATE 1 113 WB01X10084 SCREW WASHER HVT 4 114 WB06X10529 ROLLER GUIDE RING 1 115 WB49X10063 TRAY COOKING 1 116 WB01X10181 H...

Страница 33: ...imitation of incidental or consequential damages so the above limitation or exclusion may not apply to you 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 in your state consult your local or state consumer affairs office or your state s Attorney General Warrantor General Electric Company Louisville K...

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