Question about DeLonghi DH100P Dehumidifier

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De Longhi DH250R AriaDry Combi Dehumidifier

I was given this dehumidifier when my mother passed away and prior to that she swore by it. Since I have had it, it doesn't seem to **** up any water. If it is knocked, the 'full' light is illuminated but it is in fact, bone dry. The heater on it is fantastic and works well but there is no water! I have been trying with no luck to locate a manual for it which would help with troubleshooting. Please help as I really need it to work at the moment.


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Check your water tank. On the inside is a lever and a slot. Wiggle it till light goes off. Should work after that.

Posted on Jun 26, 2010


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Posted on Jan 02, 2017


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follow the instructions below on how to use your dehumidifier:

Prepare the room for the dehumidifier by vacuuming, dusting and cleaning the room. Be especially careful to have all mold removed prior to using the dehumidifier.
Plug in the dehumidifier into a grounded outlet.
Set the dehumidifier to high in order to remove excess moisture from the room.
Wait for the dehumidifier to run several cycles, removing all undesired moisture from the air. This may take days or even weeks in especially damp rooms.
Adjust the setting of the dehumidifier when the air has reached your desired comfort level. Make the setting one that will maintain the current conditions.
Good luck.

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Hi there - you have to vacuum the filter several times. You can pull it out of the back left hand side of the unit. Vacuum it several times, and then start the unit on the lower fan setting, at a humidity level of around 60%. It will kick in after a bit, and then you can start adjusting the humidity level to where you would normally use it.

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This will work! Cheers... E

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