Hi there, it's Jack at Dyson.
The filters in our handheld machines should be washed at least once a month using cold water without detergent. However, they should always be allowed to try completely before they're replaced, which may take at least 12 hours. It can help to place the filter somewhere warm - for example, by a radiator, or in an airing cupboard.
Unfortunately, if you have used your machine with a wet filter in place, this is likely to have caused damage to the motor. Using your machine with a wet filter will also have voided the machine's 2-year guarantee.
I would encourage you to get in touch with us directly so we can confirm which replacement parts you may need to get the machine running again. You can reach our customer Helpline on 0800 298 0298 (UK), or 1-866-693-9766 (US).
Best wishes,
Jack
Dyson Online Customer Support
http://www.dyson.com
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