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GE Consumer & Industrial
Technical Service Guide
SEPTEMBER 2009
®
GE Spacemaker
Over-the-Range
Microwave Oven
Sensor Cooking
Popcorn Beverage Reheat
Potato
Vegetable
Time
Defrost Delay Timer
Cook Auto/Time Start On/Off
Beeper Turn
Reminder Volume Table Help
Express Cook
Start
12 3 Pause
6 Clear
45
Off
Control Lock
78 9
Power 0 Add AM/PM
Level Display
30 Sec. Scroll Speed
Vent Auto Nite Surface
JVM1750 Clock
Fan Light Light
JVM1540
Convenience Cooking
Popcorn Beverage Reheat
Potato Vegetable
Tim
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IMPORTANT SAFETY NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major ap pli ance may result in personal injury and property damage. The man u fac tur er or seller cannot be responsible for the in ter pre ta tion of this in for ma tion, nor can it assume any liability in connection with its use. WARNING To avoid personal injury, disconnect power befo
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Table of Contents Bottom Thermal Cutout (TCO) .....................................................................................................................................19 Capacitor and Diode .......................................................................................................................................................23 Cavity Thermal Cutout ..........................................................................................................................
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Nomenclature Model Number J V M 1 7 5 0 D P 1 B B Product J = GE Cooking Product Product Color BB = Black Microwave Oven WW = White V = Externally Vented SS = Stainless Steel Over-the-Range Model Year Designator Installation M = Mounts Under Cabinet/ Built-In Capability Model/Door Color D = Color Matched Cavity Size (cu. ft.) 15 = 1.5 cu. ft Feature Pack 17 = 1.7 cu. ft. Designates Features - the higher the number, the more features. Serial N
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Introduction The GE Spacemaker Over-the-Range Microwave Oven is a versatile appliance for any kitchen. Features and Benefi ts: Sensor Cook - The microwave oven automatically adjusts the cooking time to various types and amounts of food. Auto and Time Defrost - Auto defrost sets the defrosting time and power levels to deliver even defrosting results for up to 6 pounds of meats, poultry, and fi sh. Time defrost defrosts for the length of time you specify. Turntable On/Off - Rotate food for even c
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Control Features JVM1750 Features 3 4 5 2 1 7 8 9 6 7 1 Door Handle. Pull to 4 Shelf. Lets you 8 Removable Turntable. open the door. The microwave several Turntable and support door must be securely foods at once. Food must be in place latched for the microwaves best when when using the oven. microwave to operate. placed directly on the The turntable may be oven floor or turntable. removed for cleaning. 2 Door Latches. 5 Touch Control Panel. 9 Convenience Guide. 3 Window with Metal You must
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JVM1540 Features 1 2 3 10 9 4 8 5 6 7 1 Door Handle. Pull to 7 Removable Turntable. open the door. The Turntable and support door must be securely must be in place latched for the when using the oven. microwave to operate. The turntable may be removed for cleaning. 2 Door Latches. 8 Convenience Guide. 3 Window with Metal Shield. Screen allows 9 Shelf (some models). cooking to be viewed Lets you microwave while keeping several foods at once. microwaves confined Food microwaves best in the ove
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JVM1750 Controls 1 1 Time Features Time Cooking Press Enter TIME COOK I & II (Press once or twice) Amount of cooking time. DEFROST AUTO/TIME (Press twice) Amount of defrosting time. EXPRESS COOK Starts immediately! POWER LEVEL Power level 1–10. ADD 30 SEC Starts immediately! Defrosting by Weight Press Enter DEFROST AUTO/TIME (Press once) Food weight 2 3 2 Convenience Features (on some models) Press Enter Option SNACKS (See Snacks Guide) Snack type 1–6 number/weight DEFROST AUTO/TIME Food weight
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JVM1540 Controls You can microwave by time, temperature or with the convenience features. 1 Time Features Time Cooking Press Enter TIME COOK I & II (Press once or twice) Amount of cooking time. DEFROST AUTO/TIME (Press twice) Amount of defrosting time. EXPRESS COOK Starts immediately! POWER LEVEL Power level 1–10. ADD 30 SEC Starts immediately! 2 Convenience Features Press Enter Option COOK (on some models) Food type 1–9 + weight POPCORN Starts immediately! more/less time serving size REHEAT (Se
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Demo Mode (JVM1750) • To enter the Demo Mode, touch and hold the HELP pad for a full 3 seconds. • To end the Demo Mode, touch and hold the HELP pad for a full 3 seconds. • As pads are pressed in the Demo Mode, explanations of the pads' functions will be scrolled across the display screen. • No components will actually be energized, however, during Demo Mode. – 10 –
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Component Locator Views Front View Grill Assembly Control Panel Assembly Turntable Shaft Front View - Control Panel Assembly Removed Cooling Fan Motor Hood TCO Bottom TCO (Continued Next Page) – 11 –
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Right Side View Fuse High Voltage Capacitor Diode Vent Motor Capacitor Magnetron TCO Magnetron Cooling Fan Motor Cooling Fan High Voltage Transformer Hood TCO Bottom TCO – 12 –
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Control Boards and Panel Connections JVM1750 Smart Board CN301 CN401 RY203 CN201 CN202 (Back Side) CN201 - Vent Motor CN202 - Turntable Motor, Cooktop Lamp CN301 - Gas Sensor CN401 - Hood TCO & Door Sensing Switch RY203 - Secondary Relay (Power Relay) (Front Side) (Continued Next Page) – 13 –
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JVM1540 Smart Board CN401 RY203 CN201 CN202 (Back Side) CN201 - Vent Motor CN202 - Turntable Motor, Cooktop Lamp CN401 - Hood TCO & Door Sensing Switch RY203 - Secondary Relay (Power Relay) (Front Side) – 14 –
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Components Oven Removal The oven is hooked on metal tabs at the bottom of the wall mounting plate and fastened to the cabinet with 3 top cabinet bolts. To remove the oven from the cabinet or wall opening: WARNING: This oven requires 2 people for complete 3. Remove 5 Phillips-head screws from the back of oven removal. the oven. 1. Disconnect power to the oven. 2. For top-vented models, disconnect the duct and remove the damper assembly. 3. Remove the 3 top cabinet bolts. Caution: When remov
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6. Remove 2 Phillips-head screws from the left side 4. Lift out the vent blower and place it on top of the oven side as shown below and disconnect the of the oven. electrical connector to the vent blower. Electrical Connector View From Rear 7. Slide the outer cover back about 1 inch toward the rear of the oven. Lift the cover from the oven. Vent Blower The vent blower is located at the top rear of the microwave oven. See installation instructions for the proper method of directing the vent
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Bulb To remove the grill assembly (Model JVM1750): 4. Gently remove the bulb. 1. Open the door. 2. Remove 2 Phillips-head screws from the top, front of the oven cabinet. 3. Remove 1 Phillips-head screw from the right, rear corner of the grill. 4. Slide grill to the left and remove. Control Panel Assembly The control panel assembly consists of a smart board, frame, and a touch pad/escutcheon. To remove the control panel assembly: 1. Disconnect power to the microwave oven. Interior Light 2. Ope
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5. Tilt the top of the control panel out, and Cavity Thermal Cutout mark and disconnect all the wiring harnesses connected to the smart board. The cavity thermal cutout is located on the top side of the oven cavity beside the exhaust duct. The 6. Remove the Phillips-head screw that attaches cutout has a temperature rating of 212˚F. the ground wire to the control panel assembly. The cavity TCO is not resettable. Note: Model JVM1540 does not have this ground wire. To remove the oven thermal
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4. Disconnect wiring to the magnetron TCO. Bottom Thermal Cutout (TCO) 5. Remove 2 Phillips-head screws that attach the The bottom TCO is located on the bottom, right side magnetron TCO to the magnetron. of the oven behind the control panel. The bottom TCO is not resettable. The bottom TCO's contacts open at approximately Disconnect 248°F. Disconnect To remove the bottom TCO: 1. Remove the control panel assembly. (See Control Panel Assembly.) 2. Disconnect wiring from the bottom TCO. 3. Rem
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Check to make sure the fuse is not open. Check the Stirrer Assembly noise fi lter for approximate resistance value at the following locations: The stirrer assembly consists of a blade, pin, and cover. The blade is air driven and rotates on a shaft White (neutral input) to white (neutral output) - 0 Ω. embedded in the stirrer cover. The stirrer assembly is located at the top of the oven cavity. Black (line input) to black (line output) - 0 Ω. To remove the stirrer: White (neutral input) to bl
