How to Fix Whirlpool Washer Error AF
Air flow fault - pressure switch detecting abnormal air pressure in system
145 repair guides
Choose the appliance, then find the exact code. Every guide leads with what the code means, what to try first, and whether a part or replacement is worth considering.
Whirlpool
Air flow fault - pressure switch detecting abnormal air pressure in system
Detergent cartridge not detected in dispenser
Low detergent level in bulk dispenser
Door lock failure - door not locking properly (older Duet models)
Drain system fault - water not draining within expected time
Invalid user action attempted
EEPROM communication failure on main control board or motor control module fault
Long drain error - washer taking >8 minutes to drain water
Motor control module communication failure or speed sensor fault
Water temperature sensor fault or heater circuit failure
Drive motor tachometer error - motor not reaching required RPM
Triac short circuit detected in motor control module
Heater relay failure or open heater circuit
Overflow condition detected - pressure switch stuck closed or control board fault
No error code stored – communication failure between control boards preventing code retrieval
Excessive suds detected - suds lock condition (Cabrio platform equivalent of Sd)
Shifter position error - transmission not in correct position for selected cycle
Unbalanced load detected during spin (Cabrio platform equivalent of uL)
Motor control unit internal failure or communication timeout
Serial communication error between main control board (CCU) and motor control unit (MCU)
EEPROM checksum error on main control board
Control board watchdog timer failure - processor locked up
Main control board EEPROM failure - corrupted memory preventing normal operation
Motor control overvoltage fault - DC bus voltage exceeding safe limits
No water detected entering washer during fill cycle
The washer is taking too long to drain. The drain pump is likely clogged with debris or the motor has…
Door/lid lock failure - lock mechanism not engaging or sensing circuit fault
Communication error between main control board (CCU) and user interface board
User interface keypad shorted or stuck key detected
User interface communication error - no response from control panel
Dispenser system error - actuator failure or linkage binding
Pressure switch failure - water level detection circuit fault
Pressure switch failure - water level sensor circuit fault
Temperature sensor fault - out of range reading from thermistor
High temperature during rinse (≥105°F)
Heater element failure - open circuit or short detected
Door switch/latch failure - door not detected as closed
Door lock failure - lock mechanism won't engage or release
Door unlock failure - lock mechanism stuck in locked position
Door lock solenoid fault - excessive current draw detected
Communication error between ACU (analog control unit) and CCU (central control unit)
Leak detection – water detected in base pan activating float switch
Motor speed sensing error - motor unable to achieve required RPM for selected cycle
Shifter failure - transmission unable to shift between wash and spin modes
Motor drive overcurrent fault - excessive amperage draw detected
Lid lock failure - lid not locking properly (Cabrio top-load models)
Long fill error - water not entering washer fast enough or pressure switch fault
Water temperature sensor circuit fault - out of range reading
Leak detection - float switch activated indicating water in base pan
Heater relay stuck closed - continuous heating detected
Long drain error. The machine tried to pump water out but the sensor still detects water. Clean the drain pump…
Drain pump electrical fault - open circuit or short detected in pump motor
No water flow detected during fill cycle (older Duet models)
Flood condition detected - excessive water in base pan
Heater circuit failure - open circuit or short in heating system
Hot water flow problem - insufficient hot water entering washer
Cycle paused or canceled
Long fill - water level not changing after inlet valves energized
Lid left open
Lock open - door/lid lock mechanism failed to engage
Overload condition - mechanical load on motor exceeds safe operating limits
Power failure detected during cycle operation
Items detected in drum during Clean Washer cycle
Excessive suds detected - suds lock condition preventing proper drainage/spin
Excessive suds detected
Unbalanced load detected during spin cycle - tub vibration exceeds safe limits
Whirlpool
Exhaust air flow restriction detected by airflow sensors, typically due to blocked vents, dirty lint filter, or restricted ductwork.
Airflow restriction indicator
Water inlet failure — flow meter cannot detect correct fill after 4 minutes
Shorted Thermistor
Heater failure — temperature not reached after 90 minutes
Primary Control Failure
Keypad/User Interface Failure
Outlet Thermistor Open/Short
Airflow restriction or heating element issue.
Temperature sensor failure or thermistor malfunction causing incorrect temperature readings to the control system.
Door lock mechanism failure or door switch malfunction preventing proper cycle operation and safety interlock engagement.
Motor control failure or drive motor communication error affecting drum rotation and cycle operation.
Exhaust airflow restriction or venting system failure causing overheating and poor drying performance.
Thermal cut-off activation due to overheating, typically triggered by blocked airflow, faulty thermostats, or heating element issues.
Power supply failure or voltage irregularity detected by the control system, often due to electrical grid issues or internal power…
Communication failure between multiple control boards or modules within the dryer system architecture.
EEPROM memory failure or corrupted firmware in the main control board causing operational errors and system instability.
Drum rotation sensor failure or tachometer malfunction affecting motor speed control and cycle timing accuracy.
Timer control failure or cycle timing malfunction affecting overall dryer operation and cycle completion.
Heating element relay failure or power switching component malfunction preventing proper heating control.
Motor start capacitor failure or motor starting circuit malfunction affecting drum rotation initiation.
Door lock safety interlock failure or door switch circuit malfunction preventing cycle operation for safety reasons.
Exhaust temperature sensor failure or high-limit thermostat malfunction affecting temperature regulation and safety controls.
Control board communication timeout or watchdog timer failure indicating system hang or processing error.
Stuck relay on control board
Console/Board Mismatch
Model ID Error
Control board communication error
Multiple error detection or system fault requiring comprehensive diagnostic evaluation due to complex interaction failures.
The outlet temperature sensor is bad. The dryer has stopped heating for safety because it can't read the exhaust temperature.…
Electronic control board failure with specific fault in user interface or display circuitry affecting operational controls.
Inlet Thermistor Open
Inlet Thermistor Shorted
Drive Motor Failure
Moisture Sensor Open
Moisture Sensor Shorted
User interface / control board communication fault
User Interface fault
User Interface fault variant
Restricted Airflow (Legacy)
Low L2 Voltage (Legacy)
Thermistor fault variant
Communication fault variant
SUDS alarm — excessive suds in drain system
Diverter motor constant power — diverter relay shorted
Low or No Line Voltage on L2 leg
Power failure detected during cycle operation, indicating electrical supply interruption or internal power supply issue.
Whirlpool
Door left ajar for extended period causing temperature rise
Condenser fan undercurrent fault - insufficient current draw indicating open winding
Communication error with the pantry drawer. The main fridge control cannot talk to the user panel on the drawer. Check…
Multiple sensor and fan failures - suggests main control board systemic failure
Control board watchdog timer failure - processor locked up
Refrigerator sensor open circuit (1 flash pause 2 flashes on control board LED)
Freezer sensor shorted circuit (2 flashes pause 1 flash on control board LED)
Main control board EEPROM failure (3 flashes pause 3 flashes on LED)
Power failure detected during operation
Power on reset - normal display after power restoration
Whirlpool
Pump or Diverter Electrical Fault
Flow Meter / Inlet System Electrical Fault
NTC Temperature Sensor Fault
Water Leak Detected
Heating System Failure
Drainage Failure
Rotor Blocked / Wash Motor Fault
Water Inlet Fault
Flow Meter Failure
Water Level Fault
Continuous Water Inlet
Sensor Failure
Diverter Valve / Wash Motor Fault
Communication Error
Dispenser Unit Failure / Control Board
Main Control Board / VS Motor Electronics
Motor Control Unit (MCU) / Main Board Communication
Main Control Board (Processor Check)
Main Control Board (Memory/EEPROM)
User Interface Console (Stuck Key)
Main Control Board (Internal Logic)
Main Control Board (Power Supply)