GE LMAB1240ST service manual Result

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(PROBLEM 1) The following visual conditions indicate a probable defective control circuit.

1.Incomplete segments.

Segment missing.

Partial segment missing.

Digit flickering (NOTE: Slight flickering is normal.)

2.Colon does not turn on or blink.

3.A distinct change in the brightness of one or more numbers in display.

4.One or more digits in the display are not lighting.

5.Display indicates a number different from one touched, for example, key in 5 and 3 appears in the display.

6.Specific numbers (for example 7 or 9) will not display when key pad is touched.

7.Display does not count down with time blinking or up with clock operation.

8.Display obviously jumps in time while counting down.

9.Display counts down too fast while cooking.

10.Each indicator light does not turn on after setting cooking cycle.

11.Display time of day does not reappear when cooking is finished.

CONDITION

1.No input can be programmed.

2.Some inputs cannot be programmed.

3.Display shows a number or figure different from one touched.

4.Random programming when touching other pads.

5.Display is fixed at some figure and can not accept any input.

CHECK

Check the conn- ection between membrane key assembly and PCB assembly.

Replace key membrane assembly and check operation.

RESULT

Continuity.

No continuity.

Everything works as specified.

Still have trouble.

CAUSE

Defective PCB assembly.

Loose connection.

Defective key membrane assembly.

Defective PCB assembly.

REMEDY

Replace PCB assembly.

Connect them tightly.

Replace key membrane assembly.

Replace PCB assembly.

5-12

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Contents Microwave Oven Microwave Radiation Safety PrecautionsContents Description SpecificationsAntenna Microwave RadiationGrounding Instructions InstallationInstalling Control Panel FeaturesOperating Instructions Operating Sequence Schematic Diagram I *Check the Rating Model No Page Circuit Description Necessary Tools Service InformationTools and Measuring Instruments Microwave Leakage TestMeasurement with a Fully Assembled Oven Measurement with Outer Case RemovedControl Panel Assembly Measurement of Microwave Power OutputDisassembly and Adjustment Power Supply CordDoor Assembly Removal PCB Assembly RemovalVery Carefully Magnetron RemovalRemoving the Turntable Motor Iinterlock System FAN Motor Assembly RemovalHigh Voltage Transformer Removal High Voltage Capacitor and Diode RemovalSwitches Primary Interlock Switch TestSecondary Interlock Switch Test Monitor Switch TestMagnetron Component Test ProcedureFilament Winding Primary Terminal Diode High VoltageCapacitor FAN Motor PowerRelay LevelCondition Cause Remedy Trouble ShootingResult Result Condition Check Defective high voltage transformer Introduction Exploded ViewDoor Parts Control Panel Parts Oven Cavity Parts Larch Board Parts Model LMAB1240ST Interiot Parts56201A Base Plate Parts

LMAB1240ST specifications

The GE LMAB1240ST is a remarkable side-by-side refrigerator that embodies modern design and advanced technology, catering to the needs of today's consumers. Offering a perfect blend of style, functionality, and efficiency, this model stands out in the crowded marketplace.

One of the main features of the LMAB1240ST is its spacious interior. With a generous capacity of 24.9 cubic feet, this refrigerator provides ample storage for families and individuals alike. The side-by-side configuration allows easy access to both fresh and frozen foods, making organization simple and efficient.

In terms of cooling technology, the LMAB1240ST uses advanced climate control features. The refrigerator is equipped with a multi-air flow system that ensures consistent airflow throughout the unit. This technology helps maintain even temperatures, keeping food fresher for longer. Additionally, the adjustable shelves allow for customization of the interior space, accommodating various sizes of food items and containers.

The GE LMAB1240ST emphasizes energy efficiency as well. It is Energy Star certified, indicating that it meets or exceeds energy efficiency guidelines set by the U.S. Environmental Protection Agency. This not only helps reduce utility bills but also minimizes environmental impact, which is a consideration for eco-conscious consumers.

Another significant feature of this model is its water and ice dispenser. The dispenser is designed to provide chilled water and cubed/crushed ice right at your fingertips. It is conveniently located on the front of the refrigerator for easy access. The filter system ensures that the water dispensed is clean and free from contaminants, enhancing safety and taste.

Additionally, the LMAB1240ST boasts advanced convenience features such as LED lighting, which provides bright and energy-efficient illumination within the refrigerator and freezer compartments. The easy-to-use temperature controls allow users to adjust settings effortlessly, ensuring optimal conditions for food storage.

Lastly, the stainless steel finish of the GE LMAB1240ST not only adds a sleek and contemporary look but also resists fingerprints and smudges, making maintenance more manageable. With a combination of innovative features, energy efficiency, and stylish aesthetics, the GE LMAB1240ST is an exceptional choice for anyone looking to upgrade their kitchen appliance.