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GE ZEK957 Series, Technical Service Manual

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GE ZEK957 Series Technical Service Manual Download Page 60

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Model JCKP18  Wiring Diagram

Summary of Contents for ZEK957 Series

Page 1: ...PUB 31 9084 07 01 MODEL SERIES TECHNICAL SERVICE GUIDE GE Consumer Home Services Training 27 In Built In Electric Wall Oven ZEK957 JKP56 JKP45 JKP27 JCKP18 JKP18 ZEK937 JCKP15 JKP15 JCKS05 JKS05 JKP8...

Page 2: ...rsonal injury disconnect power before servicing this prod uct If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECO...

Page 3: ...irflow 17 Electronic Oven Control System 18 Control Panel 18 Electronic Control EC 18 Control Voltage 19 Key Panel Test 19 Ohmmeter Test 20 ERC Failure Codes 21 Special Functions 23 Oven Sensor and Se...

Page 4: ...Voltage Diode 34 Microwave High Voltage Transformer 35 Microwave Magnetron 35 Microwave Magnetron Fan 36 Microwave Magnetron TCO 36 Microwave Fan Thermal Switch 37 Microwave Fuse 37 Microwave Flame T...

Page 5: ...ls is our new microwave and oven combination unit The Electronic Touch Controls are simple to understand and easy to operate Just read and touch It s easy to see how GE s fresh ideas can make anyone m...

Page 6: ...repeats every 12 years Example T 1974 T 1986 T 1998 J K P 4 5 C D 1 C C GE Cooking Product ZE Monogram Electric Configuration K 27 in Wall Oven CK Camco 27 in Wall Oven Oven Type P Self Clean S Standa...

Page 7: ...r outage START Pad Must be pressed to start any cooking or cleaning function COOKING TIME Pad Pressthispadandthenpressthenumber pads to set the amount of time you want your food to cook The oven will...

Page 8: ...onnect the power to the oven and call for service If your oven was set for a timed oven operation and a power outage occurred the clock and all programmed functions must be reset The time of day will...

Page 9: ...tage OVEN LIGHT ON OFF Pad Press this pad to turn the oven light on or off DELAY START Pad Use along with COOKING TIME or SELF CLEAN pads to set the oven to start and stop automatically at a time you...

Page 10: ...f day will flash in the display when there has been a power outage START Pad Must be pressed to start any cooking function COOKING TIME Pad Pressthispadandthenpressthenumber pads to set the amount of...

Page 11: ...IMER ON OFF Pad Press this pad to select the timer feature DELAY START Pad Use along with COOKING TIME or SELF CLEAN pads to set the oven to start and stop automatically at a time you set COOKING TIME...

Page 12: ...t to set Watch the display while pressing this pad to select the power level Number Pads After pressing a function pad press the number pads to set the exact amount of time you want to cook for For ex...

Page 13: ...TCO High Voltage Capacitor Fan Magnatron Oven Lamp Assembly Interlock Monitor and Door Sensing Switches Power Control Board PCB PCBoards Connectors Fuse Fan TCO Gas Sensor Flame Sensor Low Voltage Tra...

Page 14: ...ven Cooling Fan Door Jam Switch Harness Top View Lock Motor DoorLock Thermal Switch Fan Thermal Switch LockMotor Connector Power Connector Rear View Upper Oven Thermal Switch Lower Oven Thermal Switch...

Page 15: ...r J 5 L1 N Lower Lock Mtr Oven Sensor Oven Sensor Door Jam SW BR2 Upper Lock Mtr BA1 BR1 BA2 J6 J4 Upper Oven Temp Sensor LKSW1 and LKSW2 J3 Lower Oven Temp Sensor Therm SW LKSW1 and LKSW2 Door Lock T...

Page 16: ...oling Fan Door Jam Switch Harness Top View Lock Motor DoorLock Thermal Switch Fan Thermal Switch LockMotor Connector Power Connector Neutral Oven Lamp OV1 L1 Neutral L1 TCO Light Bake LockMotor Broil...

Page 17: ...om edge of the hinge slot The notch in the hinge arm must be fully seated into the bottom of the slot 3 Fully open the door 4 Push the hinge locks up against the front frame of the oven cavity to the...

Page 18: ...s can damage handle Hand tighten ONLY Make sure handle fits snug to door panel Oven Door Gasket The gasket forms a seal around the front edge of the oven liner and the inner door panel except for appr...

Page 19: ...frame 3 Remove 2 screws from each side of the door and separate the door liner and the outer glass assembly 4 Remove 3 screws from the door liner to remove each door hinge assembly Note When assemblin...

Page 20: ...control transformer lock motor relay some models sensor and lock motor connector some models along with a series of 1 4 in terminals for connect ing power to the control and heating units SENSOR 1084...

Page 21: ...is calling for heat BAKE BROIL relay contacts closed 120 VAC when light is off OV1 OV2 ModelJKP15 TERMINALS L1A B TO N L1A B TO BAKE L1A B TO BROIL OVL1 OVL2 AUX1 N VOLTAGE 120 VAC ALL THE TIME 240 V...

Page 22: ...1 to 13 12 ro 13 10 to 14 10 to 13 3 to 4 9 to 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Models JKP27 JKP15 JCKP15 JKS05 and JCKS05 ModelJKP45 ModelJKP85 FUNCTION Bake 2 14 10 14 Broil 2 13 10 13 Cooking Ti...

Page 23: ...leovenabove650 F open thermalswitchinyellowleads Coolingfanorairflowtocontrolarea CORRECTION MEANING 1 Insideovencavityasmeasuredbysensorover650 F unlatchedor915 Flatched 2 Coolingfanstallwhileovenabo...

Page 24: ...Ham radio cordless phone etc Control senses oven temperature above 615 F with the door circuit in the unlock mode Control senses oven temperature above 915 F with the door in the door locked mode Repl...

Page 25: ...nctions are tried display will show Off Press CLEAN again for Loc Off controlunlocked 12 hour shutdowncomes set to shut down after 12 hours of continuous operations this can be eliminated Press Delay...

Page 26: ...CONNECTOR OVEN SENSOR CIRCUIT PINS 4 6 5 JUMPER Model JCKS05 4 6 SENSOR CONNECTOR OVEN SENSOR CIRCUIT PINS 4 6 5 ModelJKS05 If abnormal reading is observed remove sensor from oven and check at discon...

Page 27: ...l a m r e h T k c o L F 0 9 1 C 8 8 e t i h W 8 0 0 P 2 5 1 1 B 6 2 3 O N W S l a m r e h T n a F F 8 3 1 C 9 5 e n o N 5 0 0 P 9 6 8 4 C 9 2 2 C N t u o t u C l a m r e h T F 0 3 3 C 6 6 1 e g n a r...

Page 28: ...ss is behind the trim cover between the 2 ovens Motorized Door Lock Operation The lock motor is energized when the control is set for Clean and Clean Time selected The K1 relay contact will close and...

Page 29: ...F If the thermal switch opens during 1 Oven Temperature Below 600 F Program is cancelled when thermal switch opens Lock motor will run and the words LOCKED DOOR will be flashing in the display 2 OvenT...

Page 30: ...e screen in the center To access convection bake element 1 Disconnect the power to range remove the oven door and the oven racks 2 Remove 4 screws from the mounting panel 2 on each side and pull forwa...

Page 31: ...ological health immediately D Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source Make repairs as necessary 1 Interlock operation 2 P...

Page 32: ...om the oven 2 Remove 1 screw and the exhaust vent cover 3 Remove 8 screws and the air tunnel 4 Remove 1 screw from each trim mounting bracket 5 Remove the screws from the right side panel Lift up to r...

Page 33: ...ol panel is hinged on the bottom allowing access to the PCB and component compartment when in the service position The replaceable parts on the control panel are the oven PCB and microwave PCB Replace...

Page 34: ...not present suspect a faulty PCB If 120 VAC is present use the chart to check the voltage output of the low voltage trans former If the voltage output or resistance is not correct replace the PCB t r...

Page 35: ...der normal operation the capacitor should fully discharge within 30 seconds The microwave must be removed from the oven to service the high voltage capacitor The high voltage capacitor is mounted to t...

Page 36: ...the ohm meter to the negative terminal of a 9 volt battery 3 Connect the positive diode terminal to the positive terminal of the battery 4 Connect the common lead of the ohmmeter to the diode ground...

Page 37: ...nce of the filament wind ings terminal 4 to 3 a Disconnect connector from magnetron b Connect ohmmeter between terminals of connector c Resistance should be less than 1 ohm Microwave Magnetron The mic...

Page 38: ...Test Microwave Magnetron Fan The microwave must be removed from the oven to service the magnetron fan The magnetron fan operates whenever the mag netron is operating The magnetron fan will also operat...

Page 39: ...service position Warning When the 20 amp fuse is blown due to the operation of the monitor switch the monitor switch must be replaced Also replace relays and or interlock switches when continuity che...

Page 40: ...ace 1 3 cup tap water in microwave 2 Press the popcorn pad 3 After 1 2 minutes the control should beep and the display should begin a countdown 4 Press CLEAR OFF pad a If sensor fails test go to step...

Page 41: ...1 Place the key panel in the service position 2 Loosen the latch board mounting screws at the vertical flange 3 Adjust the latch board for proper switch opera tion and door fit Retighten screws nents...

Page 42: ...temperature of 59 F to 75 F in a 1000 ml beaker WB64X0073 Do not use any other load or dish as results will vary from the standard 1 Measure the line voltage loaded This test is based on normal voltag...

Page 43: ...s Entire perimeter of door and control panel Viewing surface of door window Exhaust vents Warning Maximumallowableleakageis4MW cm2 6 Record data on service invoice and microwave leakage report Microwa...

Page 44: ...keys do not operate check for Child Lock Out Display does not show what was entered check control for display turned OFF Display erratic Display blank check control for display turned OFF Cannot clear...

Page 45: ...ass test Replace monitor NO Perform High Voltage Transformer Test Pass test Replace high voltage transformer NO YES Perform High Voltage Capacitor Test Pass test Replace high voltage capacitor NO YES...

Page 46: ...ground 120 VAC present NO Perform High Voltage Transformer Test Pass test Does turntable motor operate Open primary interlock switch circuit YES Replace high voltage transformer Perform High Voltage...

Page 47: ...45 Schematics and Wiring Diagrams Models ZEK957 JKP56 and JKP45 Schematic...

Page 48: ...46 Model JKP27 Schematic...

Page 49: ...47 Models ZEK937 JKP18 and JKP15 Schematic...

Page 50: ...48 d Model JKS05 Schematic...

Page 51: ...49 Model JCKS05 Schematic...

Page 52: ...50 Models JCKP18 and JCKP15 Schematic...

Page 53: ...51 Model JKP85 Schematic...

Page 54: ...52 Microwave Schematic FAN THERM SW N O...

Page 55: ...53 Model ZEK957 Wiring Diagram...

Page 56: ...54 Model ZEK937 Wiring Diagram...

Page 57: ...55 Model JKP56 Wiring Diagram...

Page 58: ...56 Model JKP45 Wiring Diagram...

Page 59: ...57 Model JKP27 Wiring Diagram...

Page 60: ...58 Model JCKP18 Wiring Diagram...

Page 61: ...59 Model JKP18 Wiring Diagram...

Page 62: ...60 Model JCKP15 Wiring Diagram...

Page 63: ...61 Model JKP15 Wiring Diagram...

Page 64: ...62 Model JCKS05 Wiring Diagram...

Page 65: ...63 Model JKS05 Wiring Diagram...

Page 66: ...64 Model JKP85 Wiring Diagram...

Page 67: ...65 Microwave Wiring Diagram FAN THERMALSW N O...

Page 68: ...ad and show some resistance without depressing the pad __True __False 5 Replacement of the oven thermal cutout switch and the convection fan motor are the only components that require removal of the o...

Page 69: ...s extended to the original purchaser and any succeeding owner for products purchased for home use within the USA In Alaska the warranty excludes the cost of shipping or service calls to your home Some...

Page 70: ...by accident fire floods or acts of God Incidental or consequential damage caused by possible defects with this appliance What GE Will Not Cover This warranty is extended to the original purchaser and...

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