KitchenAid KHMS105E service manual Problem Possible Cause Test Procedure Or Correction

Page 55

Microwave Oven Hood Combo Service Manual — LIT 4317216

Original 03/97

Page 3-13

PROBLEM

POSSIBLE CAUSE

TEST PROCEDURE

OR CORRECTION

 

 

 

 

 

 

 

 

Little or no heat is produced

1.

High voltage transformer.

1.

Check the high voltage

in the oven load.

 

 

 

transformer.

 

2.

Rectifier diode.

2.

Check the high voltage

 

 

 

 

rectifier diode.

 

3.

High voltage capacitor.

3.

Check the high voltage

 

 

 

 

capacitor.

 

4.

Magnetron.

4.

Check the magnetron.

 

5.

Power selector.

5.

Check the power selec-

 

 

 

 

tor.

 

 

 

 

 

Oven fuse blows when the

1.

Primary interlock switch.

1.

Check primary interlock

door is opened.

 

 

 

switch.

 

2.

Shorted wire harness.

2.

Repair wiring.

 

 

 

 

 

Oven lamp goes on with the

1.

Secondary interlock.

1.

Check secondary inter-

door open, but the light goes

 

 

 

lock.

out when the door is closed

 

 

 

 

with the control on.

 

 

 

 

 

 

 

 

 

The power source fuse blows

1.

High voltage trans-

1.

Check the high voltage

when the door starts to open.

 

former.

 

transformer.

 

2.

Secondary circuit of the

2.

Check the high voltage

 

 

high voltage transformer

 

transformer.

 

 

is shorted.

 

 

 

3.

High voltage capacitor is

3.

Check the high voltage

 

 

shorted.

 

capacitor.

 

4.

Shorted wiring between

4.

Use an ohmmeter to

 

 

the above components.

 

check continuity, and

 

 

 

 

repair wiring.

 

5.

Blower motor.

5.

Check blower motor.

 

 

 

 

 

Fan motor will not operate.

1.

Fan motor.

1.

Check fan motor.

 

2.

Open or loose wiring in

2.

Use ohmmeter to check

 

 

circuit to fan motor.

 

continuity, and repair

 

 

 

 

wiring.

 

 

 

 

 

3-13

Image 55
Contents Microwave Oven Hood Combination KHMS105E KHMC107E Table of Contents Convection Thermistor Convection Heating Element Electrical Shock Hazard Important Safety InformationPage Vii Equipment Leakage TestTest Theory of Operation Relay #4 Capacitor Bkbl Blower Motor High Component Sections Component AccessRemoving the Microwave Oven & Cabinet GeneralBase Plate Screws Cooktop Light Assembly Wiring Removing the Oven Door Protection Control SystemRemoving the Door Choke Removing the Control Panel Removing the Line Fuse Removing a Switch REMOVING/ADJUSTING the Interlock SwitchesSecondary InsetMaking Adjustments Removing the Base Thermal Fuse Removing the Magnetron Thermal Fuse Removing the Cavity Thermal Fuse Removing the Convection Thermistor White Wires Removing the Oven Light Socket Operating Control SystemTurn Board Over Removing the Control Circuit BoardRemoving the Temperature Probe Socket Removing the FAN Motor Removing the Power Cord Removing the Blower Motor Capacitor Removing the Convection Heating Element Viewed from Under TOP Plate Removing the GAS Sensor Removing the Synchronous Motor Removing a Cooktop Light Socket High Voltage Components Accessing the High Voltage Components Removing the Magnetron Replacing The High Voltage Rectifier Removing the High Voltage Rectifier High Voltage CapacitorHigh Voltage Rectifier Mounting Flange Removing the High Voltage Transformer Important Safety Instructions Component Description & TestingPage Original 03/97 Possible Customer Complaint Thermal FusesBlower Motor Capacitor GAS Sensor Convection Thermistor Viewed from Under TOP Plate Convection Heating ElementMotors Touch Panel Continuity Test Programming ChecksCombination Roast Temperature ProbeThings to Know Combination BakeProblem Possible Cause Test Procedure Or Correction ChartsProblem Possible Cause Test Procedure Or Correction Problem Possible Cause Test Procedure Or Correction Checking the Microwave Power Output Checking for Microwave Energy Leakage Making the Measurements Measuring The Oven With The Cabinet InstalledPage Test Charts Component TestingTerminal-To-Terminal Contacts Component Test Procedure Result Keyboard Matrix Voltage circuits Control Circuit Board Check ListDoor Closed PRIMARY, MONITOR, & Secondary Switch Checkout ProcedureContinuity Test Chart Door Open
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KHMS105E specifications

The KitchenAid KHMS105E is a versatile and efficient microwave oven designed to enhance your cooking experience. With a sleek and modern design, it seamlessly fits into any kitchen decor while providing robust functionality.

One of the standout features of the KHMS105E is its spacious interior, offering ample cooking space for a variety of dishes. The generous capacity allows for accommodating large meals and multiple dishes, making it an ideal choice for families and those who enjoy entertaining. The microwave is equipped with a 1000-watt cooking power, ensuring that it heats food quickly and evenly.

The KHMS105E incorporates several advanced technologies to streamline food preparation. The sensor cooking function is a notable feature that automatically adjusts cooking time and temperature based on the moisture levels detected in your food. This eliminates the guesswork often associated with microwave cooking, ensuring perfectly cooked meals every time.

Another fantastic feature is the combination of microwave and convection cooking. This dual functionality allows users to not only reheat and defrost but also bake and brown foods, adding a new dimension to microwave cooking. With the convection feature, fans circulate hot air around the food, providing even cooking and crispy results that are usually only achieved in traditional ovens.

Ease of use is another priority with the KitchenAid KHMS105E. The intuitive digital control panel and easy-to-read display facilitate effortless operation. Additionally, pre-programmed cooking options cater to a variety of common foods such as popcorn, pizza, and baked potatoes, streamlining meal preparation.

The microwave also focuses on noise reduction, operating quietly while maintaining efficient performance, which is particularly appreciated in busy homes. The stainless steel finish not only provides a stylish appearance but is also easy to clean, ensuring that the appliance maintains its aesthetic appeal over time.

Lastly, safety features including a child lock ensure that the kitchen remains a safe environment, making the KHMS105E an appealing choice for families. With a combination of technology, convenience, and style, the KitchenAid KHMS105E microwave oven stands out as a reliable and high-performing kitchen appliance.