Washing Machine Won’t Turn On? Here’s Why (And What To Check)
Your washing machine won’t turn on. Maybe it’s completely dead with no lights at all. Maybe the lights come on but pressing start does nothing. Maybe the door won’t lock. Maybe it locks but the cycle never begins. Maybe it stops mid-cycle. Maybe it trips the circuit breaker. Or maybe it won’t fill with water, so it won’t start at all.
The good news is that most “won’t turn on” faults are diagnosable without specialist tools. And in most cases, the fault is the door lock, a thermal fuse, or a water inlet valve — all of which are affordable to fix.
The key is working out which part of the power-on chain has failed. The symptom tells you where to look.
This page covers the seven most common washing machine start faults, the symptoms to look for, and the checks you can perform yourself. If you need the complete diagnostic sequence with component testing and repair-or-bin guidance, the full guide is linked at the bottom.
Quick Diagnosis
Completely dead, no lights: a power supply fault, a tripped breaker, or a blown thermal fuse.
Lights on but won’t start: a failed door lock, the most common cause.
Door won’t lock: a failed door lock assembly or misaligned door.
Door locks but cycle won’t start: a water inlet fault or a drain fault.
Stops mid-cycle: a drain fault, overheating, or a control board fault.
Trips the circuit breaker: a short in the heating element, motor, or wiring.
Won’t fill with water: a closed valve, kinked hose, or failed water inlet valve.
Why Your Washing Machine Won’t Turn On
A washing machine needs several things to turn on:
The mains power reaches the machine
The control board receives power and boots
The door lock confirms the door is closed and locked
The water inlet valve fills the machine
The pressure switch confirms the water level
The motor starts the wash cycle
If any link fails, the machine won’t turn on or won’t start a cycle. The symptom tells you which link has failed.
The door lock is the most commonly missed cause. Modern machines won’t start unless the lock confirms the door is secured. If the lock has failed, the machine appears dead even though everything else works.
Common Causes
Failed door lock. The most common cause of “won’t start” faults.
Blown thermal fuse. A one-time safety device that cuts power when the machine overheats.
Tripped circuit breaker. A safety device that cuts power when there’s a short.
Failed water inlet valve. The machine won’t fill, so the cycle won’t start.
Blocked drain filter. The machine won’t start a new cycle if the previous one didn’t drain.
Failed control board. The board isn’t processing the start signal.
Failed motor. The motor has failed.
Failed pressure switch. The machine doesn’t know the water level.
Symptoms To Look For
The symptom tells you which fault pattern applies.
Completely Dead, No Lights
A power supply fault, tripped breaker, or blown thermal fuse.
Lights On But Won’t Start
A failed door lock, the most common cause.
Door Won’t Lock
A failed door lock assembly or misaligned door.
Door Locks But Cycle Won’t Start
A water inlet fault or a drain fault.
Stops Mid-Cycle
A drain fault, overheating, or a control board fault.
Trips The Circuit Breaker
A short in the heating element, motor, or wiring.
Won’t Fill With Water
A closed valve, kinked hose, or failed water inlet valve.
How to Diagnose the Fault
Step 1 — Check the Power Outlet
Test the outlet with another appliance. Check the circuit breaker. Confirm the plug and cable are intact.
Step 2 — Check the Door
Confirm the door is closed properly. Check for obstructions in the door seal. Listen for the lock click when you press start.
Step 3 — Check for Error Codes
Most modern machines display error codes. Note the code and look it up for your brand.
Step 4 — Check the Water Supply
Confirm the water supply valve is fully open. Check the inlet hose for kinks.
Step 5 — Check the Drain
Clean the drain filter. Check the drain hose for blockages. A blocked drain prevents a new cycle from starting.
Step 6 — Test the Thermal Fuse
If the machine is completely dead, open it and test the thermal fuse for continuity. An open fuse means it has blown.
Step 7 — Test the Door Lock
With the machine unplugged, test the door lock for continuity. Check both the switch terminals and the coil terminals.
Step 8 — Test the Water Inlet Valve
With the machine unplugged and the water off, test the inlet valve solenoid for continuity.
Fixing Specific Faults
Washing Machine Completely Dead
Check the outlet, breaker, and cable. If all are fine, test the thermal fuse.
Washing Machine Lights On But Won’t Start
A failed door lock. Test the lock for continuity. Replace if it has failed.
Washing Machine Door Won’t Lock
Check the door alignment first. Then test the lock. Replace if it has failed.
Washing Machine Door Locks But Won’t Start
Check the water supply and drain. Test the inlet valve and drain filter.
Washing Machine Stops Mid-Cycle
Check for error codes. Let the machine cool and try again. Check the drain filter.
Washing Machine Trips Breaker
Do not keep resetting the breaker. Test the heating element and motor for earth faults.
Washing Machine Won’t Fill
Check the water supply valve is open. Check the inlet hose and filter. Test the inlet valve.
LG Washing Machine Won’t Turn On
LG machines use an Inverter Direct Drive motor and a specific door lock design. Check for LG error codes (IE, OE, DE, UE, LE) and test the door lock first.
Whirlpool Washing Machine Won’t Turn On
Whirlpool machines often fail at the thermal fuse or the door lock. Check both.
Samsung Washing Machine Won’t Turn On
Samsung machines use an electronic door lock. Check for Samsung error codes (4E, 5E, dE, UE) and test the lock.
Repair Cost Guide
Thermal fuse: $5 to $15.
Door lock: $30 to $80 for the part, $60 to $150 fitted.
Water inlet valve: $20 to $60 for the part, $50 to $120 fitted.
Control board: $100 to $250 for the part, $150 to $350 fitted.
Motor: $100 to $250 for the part, $200 to $400 fitted.
Heating element: $30 to $80 for the part, $80 to $180 fitted.
Drain pump: $30 to $80 for the part, $80 to $150 fitted.
When to Repair vs Bin
Repair if:
The fault is the door lock, thermal fuse, inlet valve, or drain fault
The machine is under six years old
The repair cost is under half the cost of a comparable new machine
The machine has no other faults
Bin if:
The control board has failed on a machine over eight years old
The machine has multiple failed components
The repair cost exceeds half the cost of a comparable new machine
The machine has a cracked drum or tub
Safety Warning
Electrical risk. Washing machines run on mains voltage. Disconnect the power at the circuit breaker before removing any panel.
Water risk. The machine holds water. Shut off the water supply and have towels ready.
Door lock risk. Never bypass the door lock while the machine is powered.
Sharp edges. Washing machine components can have sharp edges. Handle with care.
FAQ
Why won’t my washing machine turn on?
The most common causes are a door lock fault, a blown thermal fuse, or a power supply fault. Check the door lock first.
Why does my washing machine have lights but won’t start?
A failed door lock is the most common cause. The machine won’t start unless the door is locked.
Why won’t my washing machine fill with water?
A closed water supply valve, a kinked inlet hose, a blocked inlet filter, or a failed water inlet valve.
Why does my washing machine stop mid-cycle?
A drain fault, an overheating fault, or a control board fault.
Why does my washing machine trip the circuit breaker?
A shorted heating element, motor, or wiring. Find the short before using the machine again.
Why won’t my LG washing machine turn on?
LG machines use a specific door lock design. Check for LG error codes and test the door lock first.
Why won’t my Whirlpool washing machine turn on?
Whirlpool machines often fail at the thermal fuse or the door lock. Check both.
Why won’t my Samsung washing machine turn on?
Samsung machines use an electronic door lock. Check for Samsung error codes and test the lock.
Is it worth repairing a washing machine that won’t turn on?
Usually yes, if the fault is the door lock, thermal fuse, or inlet valve. If the control board has failed on a machine over eight years old, replacement is usually the better call.
Get the Complete Diagnosis
Need to determine exactly which component is causing the fault?
The complete diagnostic guide takes you beyond the basic checks and walks through all seven fault patterns step by step.
The complete guide includes:
Full component testing with expected readings
Door lock testing and replacement
Thermal fuse and power supply testing
Water inlet valve and pressure switch testing
Motor and control board testing
Brand-specific notes for LG, Whirlpool, and Samsung with error code tables
Repair and replacement considerations
Repair-or-bin guidance
Washing Machine Won’t Turn On Repair Guide
Complete diagnostic guide for washing machines that won’t turn on.
What’s included:
Diagnosis for all seven fault patterns
Step-by-step testing procedures with expected readings
Door lock, thermal fuse, and inlet valve testing
Motor and control board diagnosis
Brand-specific error code tables
Required checks and tools
Repair information
Replacement considerations
Repair-or-bin guidance
Download instantly
$7.95
Have More Than One Washing Machine Problem?
If you’re dealing with several problems rather than just a start fault, the LG Washing Machine guide covers the most common faults in one reference.
$7.95
Looking for Brand-Specific Guides?
Our brand guides cover washers, dryers, and dishwashers from Fisher & Paykel, Samsung, LG, Bosch, Whirlpool, Maytag, GE, and Miele.
$12.95
Repair or Bin?
Before spending money on a repair, find out what is actually wrong with your appliance.
Repair or Bin gives you the information to diagnose the problem and make an informed repair-or-bin decision.
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