Dishwasher won't start — likely causes and safe checks (UK)

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Appliance Fault Codes

What that error code means — and what you can safely check

A dishwasher that won't start usually has a door-latch, power or control issue — check in that order.

Likely causes, ranked

Door not fully latched or latch faulty Most likely — The cycle cannot start until the latch is detected.
No power Likely — Check the socket with another appliance and the plug fuse.
Delayed start active Likely — A delay timer may be counting down without being obvious.
Control board fault Less likely — Dead panel with confirmed power points to the board.

First checks

Check the socket with another appliance.
Open and firmly reclose the door until it clicks.
Press Start and listen for the latch engaging.
Cancel any delay-start setting.
Unplug for 1 minute, restore power, and retry.

Safety

Unplug before checking the plug fuse.

Call a professional when…

Call a professional if the panel is dead with confirmed power and a latched door — board or wiring fault.

Error codes that point here

Sources

https://www.hotpoint.co.uk/service/dishwasher-repair/error-codes