GE LMAB1240ST service manual Condition Check

Page 25

(PROBLEM 3) Display shows all figures set, but oven does not start cooking while desired program times are set and START pad is touched.

CONDITION

CHECK

RESULT

1.Setting time

Check continuity

No continuity.

does not count

of secondary

 

down when

switch (with

 

touching START

door closed).

Continuity.

pad.

 

 

 

 

Check the con-

Continuity

 

nection between

 

 

CN1 connector

 

 

and P.C.B

No continuity

 

assembly.

 

CAUSE

Defective secondary switch.

Defective P.C.B assembly.

Loose connection.

REMEDY

Replace secondary switch.

Replace P.C.B assembly.

Connect them tightly.

2.Fan motor or oven lamp do not turn on.

Check fan motor.

Check oven lamp.

Abnormal.

Abnormal.

Normal.

Defective fan motor.

Defective oven lamp.

Replace fan motor.

Replace oven lamp.

(PROBLEM 4) Oven seems to be operating but little heat is produced in oven load.

CONDITION

 

CHECK

 

RESULT

 

CAUSE

 

 

 

 

 

 

 

REMEDY

Output is low.

Check the

 

 

Lower than 90% of

 

power source

 

 

rating voltage.

 

voltage.

 

 

 

 

 

 

 

 

 

 

 

 

Normal.

Disconnect the

Abnormal.

wire leads from

 

relay 2 and

 

check on and off

Normal.

time with

 

multitester.

 

Decrease in power source voltage with load.

Defective P.C.B assembly.

Suggest customer contact local electric power utility co. or qualified electrician.

Replace P.C.B assembly.

Measure the

 

 

 

 

 

 

 

 

 

 

 

 

Defective

 

Abnormal.

 

output power.

 

 

 

 

magnetron.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace magnetron.

NOTE: Simple test of power output-conducted by heating one liter water for one min. if available. Minimum 8.5˚C temperature rise is normal condition.

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Contents Microwave Oven Microwave Radiation Safety PrecautionsContents Description SpecificationsAntenna Microwave RadiationInstalling InstallationGrounding Instructions Operating Instructions FeaturesControl Panel Operating Sequence Schematic Diagram I *Check the Rating Model No Page Circuit Description Tools and Measuring Instruments Service InformationMicrowave Leakage Test Necessary ToolsMeasurement with a Fully Assembled Oven Measurement with Outer Case RemovedDisassembly and Adjustment Measurement of Microwave Power OutputPower Supply Cord Control Panel AssemblyDoor Assembly Removal PCB Assembly RemovalRemoving the Turntable Motor Magnetron RemovalVery Carefully High Voltage Transformer Removal FAN Motor Assembly RemovalHigh Voltage Capacitor and Diode Removal Iinterlock SystemSecondary Interlock Switch Test Primary Interlock Switch TestMonitor Switch Test SwitchesFilament Winding Primary Terminal Component Test ProcedureMagnetron Capacitor High VoltageDiode Relay PowerLevel FAN MotorCondition 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.
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