Reference
Appliance repair glossary
The parts, symptoms and service terms you might hear during a repair, explained in plain English - so you always know what is going on with your appliance.
Refrigeration
- Compressor
- The compressor is the motor-driven pump that circulates refrigerant through a refrigerator or freezer, which is what makes the system cold. It runs as part of a sealed system, so a failed compressor usually means a professional repair rather than a DIY fix.
- Inverter Compressor
- An inverter compressor varies its speed to match how much cooling the fridge needs instead of switching fully on and off. This usually makes it quieter and more energy efficient, and many come with a longer manufacturer warranty than standard compressors.
- Evaporator Coil
- The evaporator coil is the part inside the freezer area where cold refrigerant absorbs heat from the air, producing the chill you feel. If it ices over heavily or stops getting cold, you often see weak cooling and frost buildup.
- Condenser Coil
- The condenser coil releases the heat that the refrigerator pulls out of the food compartment, usually located on the back or underneath the unit. Keeping it free of dust and pet hair helps the fridge cool properly and run less often.
- Defrost Cycle
- The defrost cycle is an automatic process where a heater briefly warms the evaporator coil to melt frost that builds up during normal cooling. When this system fails, frost can pile up and block airflow, causing poor cooling in the fresh-food section.
- Defrost Heater
- The defrost heater is the element that melts frost off the evaporator coil during the defrost cycle. A burned-out defrost heater is a common reason a frost-free freezer slowly ices up and the fridge stops staying cold.
- Defrost Timer
- The defrost timer is a mechanical part in older refrigerators (newer models use a control board) that decides how often the fridge runs its defrost cycle. If the timer sticks or the board fails, the unit may either never defrost and ice up, or defrost too often.
- Refrigerant
- Refrigerant is the special fluid that absorbs and releases heat as it cycles through the sealed cooling system. By law, refrigerant must be handled by an EPA-certified technician, so a refrigerant leak is not a DIY repair.
- Sealed System
- The sealed system is the closed loop of compressor, coils, and tubing that holds the refrigerant in a fridge, freezer, or AC. Repairs to this system require special tools and EPA certification, so they should always be left to a professional.
- Evaporator Fan
- The evaporator fan pushes cold air from the freezer coil into the freezer and fresh-food compartments. If this fan fails, the freezer may stay cold while the refrigerator section turns warm, since air is no longer being circulated.
- Condenser Fan
- The condenser fan blows air across the condenser coil and compressor to carry heat away from the unit. A stalled condenser fan often causes the fridge to run hot, cool poorly, or shut down on overheating.
- Damper Control
- The damper is a small flap that controls how much cold air flows from the freezer into the refrigerator compartment. A stuck damper can leave the fridge too warm or too cold even when the freezer is working fine.
- Door Gasket
- The door gasket is the flexible rubber seal around a refrigerator, freezer, or oven door that keeps the inside temperature steady. A torn or loose gasket lets warm air leak in, which can cause sweating, frost, and higher energy use.
Service & Pricing
- EPA Certification
- EPA certification (Section 608) is a federal credential a technician must hold to legally handle refrigerant in air conditioners, refrigerators, and freezers. It is your assurance that sealed-system work is being done safely and within the law.
- Diagnostic Fee
- A diagnostic fee is the charge for a technician to come out, inspect your appliance, and identify what is wrong. Many companies apply this fee toward the cost of the repair if you go ahead with the work.
- Flat-Rate Pricing
- Flat-rate pricing means you are quoted one set price for a given repair before work begins, rather than being billed by the hour. This lets you know the cost up front, so labor that takes longer does not raise your bill.
- OEM Parts
- OEM stands for Original Equipment Manufacturer, meaning parts made by or for the company that built your appliance. OEM parts are designed to match your model exactly, which often makes them more reliable than generic aftermarket alternatives.
- Aftermarket Parts
- Aftermarket parts are replacement components made by a company other than your appliance's manufacturer. They can cost less than OEM parts, but fit and durability vary, so it helps to ask your technician which option suits your repair.
- Service Call
- A service call is a scheduled visit where a technician comes to your home to diagnose and repair an appliance. At Fixera the visit includes a $79 diagnostic that is credited toward the repair, and most completed repairs run roughly $150 to $450 depending on the part and labor; see our cost guides for details.
Parts & Components
- Thermistor
- A thermistor is a small sensor that reports temperature to the appliance's control board so it can decide when to cool or heat. A faulty thermistor can make a fridge run too warm or too cold even when everything else is working.
- Thermal Fuse
- A thermal fuse is a one-time safety device that permanently cuts power if a part of the appliance overheats. It is found in dryers, ovens, and microwaves, and a blown fuse must be replaced rather than reset. In dryers it is one of the most frequent reasons heat suddenly stops.
- Thermostat
- A thermostat senses temperature and switches a heating or cooling part on and off to hold a set point. In ovens, dryers, and older fridges, a failing thermostat can cause uneven temperatures or a complete lack of heat or cold.
- Spray Arm
- The spray arm is the spinning bar in a dishwasher that shoots water onto the dishes. Clogged spray-arm holes are a common cause of dishes coming out dirty, and they can often be cleared by hand.
- Water Inlet Valve
- The water inlet valve is the electrically controlled valve that lets water into a washer, dishwasher, or ice maker. When it fails or clogs with mineral buildup, the appliance may fill slowly, not fill at all, or overfill.
- Float Switch
- The float switch is a small device near the bottom of a dishwasher that detects the water level and prevents overfilling. If it sticks, the dishwasher may not fill, or it may overfill and leak.
- Control Board
- The control board is the electronic brain that runs the cycles and functions of a modern appliance. Because a failed board can mimic many other problems, accurate diagnosis matters before replacing this often-expensive part.
- Capacitor
- A capacitor stores and releases an electrical charge to help start or run a motor in appliances like dryers, washers, and microwaves. Capacitors can hold a dangerous charge even when unplugged, so testing or replacing them is best left to a technician.
- Drain Hose
- The drain hose carries used water out of a washer or dishwasher to the drain. Kinks, clogs, or an improperly installed hose can cause slow draining, leaks, or water backing up into the machine.
- Coil (Solenoid)
- A solenoid is an electric coil that creates a magnetic field to move a small part, such as opening a valve or shifting a transmission in a washer. Solenoids are found in many appliance valves and dispensers and can wear out over years of use.
Cooking
- Heating Element
- A heating element is the metal coil or rod that glows hot to produce heat in an electric oven, range, or water heater. When an element burns out, you often see no heat, slow heating, or visible breaks and blistering on the element.
- Bake Element
- The bake element is the lower heating element in an electric oven that provides most of the heat for baking. If it stops glowing or shows a broken spot, the oven may not reach temperature or may cook unevenly.
- Broil Element
- The broil element is the upper heating element in an electric oven used for high, direct top-down heat. A failed broil element means the broiler will not glow or brown food even though baking may still work.
- Igniter
- In a gas oven, the igniter heats up and lights the gas while also allowing the gas valve to open. A weak igniter that glows but does not get hot enough is a very common cause of a gas oven that will not heat, and gas appliance repairs should be handled by a professional.
- Spark Module
- The spark module is the part that creates the clicking spark to light a gas cooktop burner. If burners click constantly or will not light, the spark module, igniter, or a wet burner cap may be the cause; gas issues are best left to a pro.
- Burner Cap
- The burner cap is the removable metal disc that sits on top of a gas cooktop burner and spreads the flame. If it is misaligned or wet, the burner may not light or may burn with an uneven yellow flame.
- Gas Valve
- The gas valve controls the flow of gas to a burner or oven and opens only when conditions are safe. Because any work involving gas carries fire and carbon-monoxide risk, gas valve problems should always be diagnosed by a qualified technician.
- Magnetron
- The magnetron is the part in a microwave that generates the microwaves that heat your food. A microwave that runs but no longer heats often has a failed magnetron, and because microwaves store high voltage even when unplugged, this repair is not safe for a homeowner.
Laundry
- Drain Pump
- The drain pump removes water from a washer or dishwasher at the end of a cycle. When it clogs or fails, you typically find standing water left in the tub or a machine that stops mid-cycle with an error.
- Lid Switch
- The lid switch is a safety device in a top-load washer that stops the spin cycle when the lid is open. A faulty lid switch can prevent the washer from spinning or draining even when the lid is closed.
- Door Latch
- The door latch on a front-load washer or dishwasher locks the door and tells the machine it is safe to run. If the latch is broken or not registering, the appliance often will not start or will stop partway through a cycle.
- Drive Belt
- A drive belt connects the motor to the drum in many dryers and some washers so the drum can turn. A worn or broken belt is a common reason a dryer drum will not tumble even though the motor hums.
- Drum Roller
- Drum rollers are small wheels that support the dryer drum and let it spin smoothly. Worn rollers usually cause a loud thumping or rumbling noise while the dryer is running.
- Idler Pulley
- The idler pulley keeps tension on the dryer's drive belt so it grips and turns the drum. A worn idler pulley often produces a squealing or grinding sound and can lead to belt failure.
- Agitator
- The agitator is the tall finned spindle in the center of many top-load washers that moves clothes through the water to clean them. If it will not move or rotates only one way, worn agitator dogs or a clutch problem may be to blame.
- Tub Bearing
- The tub bearing lets a washer's inner drum spin smoothly at high speed. A failing bearing usually makes a loud grinding or roaring noise during spin and, in many machines, is a labor-intensive repair.
- Heating Element (Dryer)
- The dryer heating element is the coil that produces heat to dry clothes in an electric dryer. A burned-out element is one of the most common reasons a dryer tumbles but blows only cool air.
- Moisture Sensor
- A moisture sensor is a pair of metal strips inside the dryer drum that detect how wet clothes are so an auto-dry cycle knows when to stop. A dirty or faulty sensor can cause loads to end too early while still damp, or to run too long.
- Door Boot Seal
- The door boot is the large flexible rubber gasket that seals the door of a front-load washer. Tears in the boot cause leaks, and trapped moisture in its folds is a frequent source of musty odors.
Symptoms
- No-Heat Symptom
- No heat describes a dryer that tumbles but stays cool or an oven that will not warm up. Common causes include a blown thermal fuse, a failed heating element or igniter, or a tripped breaker, and a clear description of the symptom helps speed up diagnosis.
- Not Draining
- Not draining means a washer or dishwasher finishes a cycle with water still sitting in the tub. The usual culprits are a clogged drain pump, a blocked filter, or a kinked drain hose, and clearing visible debris from the filter is a safe first check.
Ready to get it fixed? See our repair services, repair cost guides, or troubleshooting guides.
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