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Dishwasher Won't Start? Latch, Lock, Delay and Power Checks

Published 2026-10-19 · Last reviewed 2026-10-19 · Checked against manufacturer sources

Quick answer

When a dishwasher won't start, the door usually isn't latched, the control lock is on, or a delay start timer is counting down. On top-control models you also have to close the door within a few seconds of pressing Start. If the panel is completely dark, check the wall switch and breaker before suspecting any part.

Safety first: Switch off the dishwasher's breaker before removing the kick panel or inner door panel, and never try to defeat the door latch switch. If you find scorched wiring or the breaker trips again, leave the power off and call a licensed electrician.

Latch the door firmly, racks all the way in

Every dishwasher has a door latch with a switch inside it, and the machine won't fill or wash until that switch closes. Push the door shut until you hear a solid click. A pan handle or a utensil poking through the lower rack can stop the door a fraction short, so look before you push harder.

GE adds that both racks need to be pushed fully to the back. Whirlpool points out that a lower rack put back in the wrong way around can stop the door from latching. Some models report an unlatched door with a code: Frigidaire shows CL or Cd, Bosch shows E06 for a door sensor fault, and Samsung's UK models show DC.

Close the door quickly after pressing Start

Dishwashers with buttons on the top edge of the door work differently from front-control models. You choose a cycle, press Start, and then close the door, and the cycle only begins once the door latches. GE says to shut the door firmly within 4 seconds of pressing Start on its electronic top-control models. Wait too long and the selection times out.

If you open the door mid-cycle, most models pause. On many Whirlpool dishwashers all the cycle and option lights flash to show the cycle is on hold. Close the door and press Start or Resume to continue.

Turn off the control lock

Control lock (child lock on some brands) disables every button so a curious kid can't start or change a cycle. It's easy to turn on by accident when you wipe the panel. A lock symbol or a lit Lock light is the giveaway.

On GE models, press and hold the lock pad for 3 seconds. On many Whirlpool dishwashers the Lock light blinks 3 times when you press a button while the lock is on. LG shows CL on the display. Your owner's manual shows which button releases it, and on several models it's a dual-purpose button marked with a small padlock icon.

Cancel a delay start

Delay start tells the dishwasher to wait a set number of hours before washing, so it can run overnight or off-peak. Once set, the machine sits quietly with the door latched until the timer runs out, which looks exactly like a dishwasher that won't start. A countdown in the display, a lit Delay light, or Bosch's H01 tells you a delay is active.

On Whirlpool models, press Cancel/Drain to clear it. Other brands handle it from the Delay button itself or a reset, and the owner's manual spells out the sequence. Once the delay is gone, pick your cycle again and start it.

Check the wall switch, breaker and power

A completely dark panel means no power. Some dishwashers are wired through a wall switch near the sink, next to the one for a garbage disposal, and it's easy to flip the wrong one. Make sure it's on. Then go to the panel and check the dishwasher breaker. Switch it fully off and then back on, even if it looks fine.

Whirlpool's reset procedure covers a frozen control too: press Cancel, then cut power for about 1 minute at the breaker (or unplug it, if it's a plug-in model), then restore it. GE recommends 30 seconds off if the dishwasher keeps beeping with the door shut. After a power outage, Frigidaire, GE and LG dishwashers can show PF.

If the breaker trips again, or the cord or junction box shows burn marks, stop and call a licensed electrician. Samsung's UK models show 9C1, 9E1 or UC when they detect a problem with the supply voltage.

Make sure water is reaching it

A dishwasher that starts, hums for a moment and then stops, or that shows a no-water code, may be getting no water. Whirlpool notes the cycle can't go ahead if no water is detected. Look under the sink for the small shutoff valve on the hot water line that runs to the dishwasher and make sure it's fully open, especially after any plumbing work.

Turn on the hot tap at the sink to confirm the house supply is working. Codes for this include Whirlpool and KitchenAid H2O or F8E1, LG IE, Samsung 4C or 4E, Frigidaire i10, Bosch E16 or E17 and Miele F12, F13 or F15. A kinked supply line behind the kick panel or a clogged inlet screen at the water valve can cause the same thing, and our guide to the water inlet valve covers those checks.

When the controls themselves have failed

Once power, latch, lock, delay and water all check out, the problem is usually the door latch switch, the touchpad, or the control board. A button that's stuck pressed can block every other input. That's F2E1 on Whirlpool and KitchenAid and bE, 6E or 6C on Samsung, depending on the market.

A door latch that clicks but doesn't register, or a control that's dead with confirmed power, needs testing with a meter and the wiring diagram, and the dishwasher has to be unplugged or the breaker off to do it. Never jumper or tape a latch switch to make the dishwasher run. Control board faults such as Whirlpool F1E1, Frigidaire iC0 or Bosch E01 to E05 are jobs for a technician.

When to call a professional

Call a technician when the dishwasher has confirmed power and water, the door latches, no lock or delay is set, and it still won't run. A latch switch, touchpad or control board fault needs proper testing, and replacing parts by guesswork gets expensive fast.

Parts involved

Error codes for this problem

Sources we checked