Appliance Repair Learning Center

Understanding your appliance: Technical terms, common error codes, and parts explained by Lincoln's repair experts

Common Appliance Parts & Terms

Compressor

Used in: Refrigerators, freezers, air conditioners

The heart of your refrigerator's cooling system. Compresses and circulates refrigerant through coils to remove heat. When it fails, the appliance won't cool properly.

Professional repair required - refrigerant handling needs EPA certification

Inverter Board

Used in: Refrigerators, washers, microwaves

Electronic control board that regulates motor speed for energy efficiency. Modern appliances use variable-speed motors controlled by inverter boards instead of simple on/off operation.

Common failure - requires factory diagnostic tools to pinpoint

Magnetron

Used in: Microwave ovens

The component that generates microwaves to heat food. When the magnetron fails, the microwave runs but doesn't heat. Failures often occur in high-use commercial units.

High-voltage component - professional replacement essential for safety

Control Board / Main PCB

Used in: All modern appliances

The "brain" of the appliance. Manages all electronic functions, sensor inputs, and user interface. Today's appliances are essentially computers - control board failures are increasingly common.

Requires programming - must be calibrated to specific appliance model

Door Switch / Interlock

Used in: Microwaves, dishwashers, dryers

Safety mechanism that prevents operation when door is open. Microwave door switches are critical safety devices - a failed switch can prevent the unit from running entirely.

Safety component - often multiple switches work in series

Thermistor / Temperature Sensor

Used in: Refrigerators, ovens, dishwashers

Electronic temperature sensor that provides feedback to the control board. Refrigerators use multiple thermistors to monitor different zones. Failed sensors cause temperature regulation issues.

Common issue - inexpensive part but requires proper diagnosis

Drain Pump

Used in: Dishwashers, washing machines

Removes water from the appliance at the end of cycle. When it fails, you'll see standing water or the appliance won't advance through cycles. Often fails due to debris blockage.

DIY check - inspect for clogs before calling for service

Heating Element

Used in: Ovens, dryers, dishwashers, water heaters

Converts electrical energy to heat. Dryer elements heat air, dishwasher elements heat water, oven elements provide cooking heat. Visible glowing when functioning properly.

Testable - can check resistance with multimeter

Ice Maker Assembly

Used in: Refrigerators with ice makers

Complete unit that produces and dispenses ice. Includes water valve, mold/tray, motor, and sensors. Samsung ice makers have known design issues requiring full assembly replacement.

Brand-specific - some manufacturers have extended warranties on ice makers

Capacitor

Used in: Compressors, motors, power supplies

Stores electrical energy to help motors start and run efficiently. Microwave high-voltage capacitors store dangerous charge even when unplugged. Failed capacitors often cause motors not to start.

Dangerous component - can deliver lethal shock; professional service required

Defrost Timer / Control

Used in: Refrigerators, freezers

Controls the defrost cycle to prevent ice buildup on evaporator coils. Modern appliances use adaptive defrost controlled by the main board. Failures cause excessive frost or temperature issues.

Diagnosis - requires checking multiple components in defrost system

Circulation Pump

Used in: Dishwashers

Pumps water through spray arms to clean dishes. Different from drain pump - this one recirculates water during wash cycle. When it fails, dishes don't get clean despite water filling normally.

Common failure - especially in hard water areas

Common Error Codes by Brand

Samsung Error Codes

1E / IE - Water Level Sensor Error

Washer: Water level sensor malfunction. Often requires control board replacement.

5E / SE - Drain Error

Washer: Water not draining. Check drain pump filter first, then pump motor.

11E - Ice Maker Error

Refrigerator: Ice maker malfunction. Known issue - often requires full ice maker assembly replacement.

OF OF (Cooling Off)

Refrigerator: Demo mode or cooling system off. May require service mode reset.

LG Error Codes

IE - Water Inlet Error

Washer: Water not entering properly. Check water supply valves and inlet screens.

OE - Drain Error

Washer/Dishwasher: Drainage problem. Inspect drain hose and pump for blockages.

LE - Motor Error

Washer: Motor locked or Hall sensor issue. Requires professional diagnosis.

CL / CO - Compressor Error

Refrigerator: Linear compressor issue. May be covered under extended LG compressor warranty.

GE Appliances Error Codes

F1 - Electronic Control Board

Oven: Control board failure. Common on Profile series - requires replacement and programming.

C6 / C7 - Communication Error

Dishwasher: Control board communication failure between UI and main board.

888 / 8888

Various: Demo mode. Requires specific button sequence to exit.

PF - Power Failure

Oven: Power interrupted during operation. Usually just needs reset.

Whirlpool/Maytag Error Codes

F# E# Series

Various appliances: Fault codes - specific number combination indicates exact failure point.

Ld or Sud

Washer: Too many suds detected. Use HE detergent only, reduce detergent amount.

HC - Hot & Cold Reversed

Washer: Water connections reversed. Swap hot and cold hoses at connections.

dE / Door Error

Various: Door not properly latched. Check door switch and latch mechanism.

Seeing an error code? Write it down exactly as displayed and call us at (402) 466-9090. Our factory-authorized technicians have access to complete error code databases and can diagnose the specific failure.

When to Call a Professional

⚠ Always Call for These Issues:

  • ✓ Refrigerant/gas leaks (requires EPA certification)
  • ✓ Electrical burning smell or sparking
  • ✓ Gas appliance issues (safety hazard)
  • ✓ Microwave interior work (high voltage danger)
  • ✓ Compressor replacement
  • ✓ Control board failures
  • ✓ Water leaks you can't identify
  • ✓ Warranty-covered repairs (must use authorized service)

✔ Safe DIY Troubleshooting:

  • ✓ Clean refrigerator coils (unplug first)
  • ✓ Replace water filters
  • ✓ Clean dishwasher/washer filters
  • ✓ Check and clear drain hoses
  • ✓ Clean lint from dryer vent
  • ✓ Reset circuit breakers
  • ✓ Level appliance if rocking
  • ✓ Check door seals for damage

Why Factory-Authorized Service Matters

Modern appliances are 70% electronics. Proper diagnosis requires manufacturer-specific diagnostic tools and software that only authorized service centers can access. We don't guess - we diagnose with factory precision.

  • ✓ Proprietary diagnostic software - access to hidden error logs and service menus
  • ✓ Genuine OEM parts - exact components through Marcone Service Alliance
  • ✓ Warranty preservation - non-authorized repairs can void your warranty
  • ✓ Safety assurance - high-voltage and gas components handled properly

Questions About Your Appliance?

Our factory-certified technicians can explain exactly what's wrong and provide honest repair recommendations.

Call (402) 466-9090