Diagnosing Your Appliances


Whether you’re planning on hiring a repairman to repair your appliances, or doing it yourself. It’s a good idea to have some sort of an idea on what is wrong with your appliance before beginning the repair process.  Being able to know the parts of your appliance and diagnose your it will save the repairman or yourself time.  Here is a guide on diagnosing some repairs on your dryer, dishwasher, and range.



Motor Pulley:  Assists the dryer to turn the dryer drum.

  • Symptoms: Dryer not turning correctly, dryer making loud noises.

Motor: Generates the circular motion of the dryer blower and drum.

  • Symptoms: Dryer turns off before the cycle is finished, makes a humming noise during the cycle.

Pump: Helps heat and drain water into the drain pipe.

  • Symptoms: May not pump water into exterior container.

Selector Switches: Controls aspects of the timer and heat controls.

  • The timer may not progress.

Sensor or Thermometer: Controls part of the heating aspects of the dryer.

  • Dryer may overheat, not heat up at all, or dryer may take an extremely long time drying clothing.

Start Switches: Tells the dryer when to start.

  • Dryer may not turn on when you hit the start button.

Terminal Block: Electronic connector that gives the dryer power.

  • Dryer may not turn on.

Thermal Fuses: Small electrical switch that stops the dryer from overheating once it reaches its designated temperature.

  • Dryer may not heat or dryer may overheat.

Thermostat: Controls parts of the heating aspects of the dryer.

  • Dryer may take way too long to dry clothes and not heat up at all.

Venting: Transports lint and water vapor from the dryer to a safe location outside of the dryer.

  • Dryer may dry clothes slower and clothes may smell musty or old.


Heating Element: Heats up the water to the proper temperature for cleaning.

  • Dishes may still be dirty after cycle is complete.

Impeller:  Helps in aiding the draining process of your dishwasher.

  • Dishwasher may not drain.

Motor and Pump: Helps the overall running of a dishwasher.

  • Dishwasher may improperly drain, make whining noises, or have no power at all.

Spray Arm: Circulates and sprays water to clean the dishes inside the dishwasher tub.

  • Dishwasher may not clean dishes properly or leak.

Water Inlet Valve: Supplies the appropriate amount of water to the dishwasher.

  • Dishwasher may leak, not clean dishes properly, not fill with water, or not drain.


Spark Module: Sends voltage to the ignitor electrode which makes them spark and ignite the surface burner.

  • Range may have a weak spark, or the sparks may consistently start and stop.

Thermal Fuses: Protects the range from excessively heating.

  • Range may not heat.

Sensor: Measures the temperature inside of the range.

  • The range may overheat, not heat at all, or not heat to the designated temperature.

Gas Valve: Allows control to the gas supply in the oven burners.

  • Range may not start or there will be little to no heat when baking.

Control Board or Electronic Control Board: Helps in monitoring many functions in the range such as the ovens temperature.

  • The Electronic controls may not be working or functioning at all.

Thanks for reading!  If you found this post helpful, be sure to like & share it with a friend.  As always, feel free to leave any additional tips, questions for us, or ideas for blogs you’d like to see in the comment section below.

Written By: Claire Begalke

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