INVENTOR SD-IONINV-20L User Manual page 25

The unit does not start
Make sure the dehumidifier's plug is placed completely into the socket.
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Check the house fuse/circuit breaker box.
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Check whether the power cord is damaged.
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Check the water bucket, if it is full, empty it.
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Check if the dehumidifier has reached its preset level.
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Make sure the water bucket is positioned properly.
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Room temperature is lower or higher than the advised operational range.
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Check whether the humidity level has been set in high levels.
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Dehumidifier does not dry the air as efficient
Make sure that the dehumidifier has been operating enough time to remove the moisture.
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Make sure there are no curtains, blinds or furniture blocking the front or back of the dehumidifier.
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The humidity selector may not be set low enough.
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Make sure you have cleaned the filter as suggested. Clogged filter may result in reduced
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performance.
All house exits (windows doors etc) where the dehumidifier is operating, should be shut.
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Room temperature is below the advised operational range.
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There is a kerosene heater or something giving off water vapor in the room.
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The room that the device is placed is bigger than suggested.
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The humidity level is too high.
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The unit makes a loud noise when operating
The air filter is clogged.
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The device is tilted instead of being in an upright position.
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The floor surface is not flat.
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Frost build up on coils
This is normal. This unit is supplied with an Auto defrost feature.
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Drain hose water leakage
Check the correct installation of the drain hose.
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Check for any blockage or damage of the drain hose.
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Understanding Error code indications
E3- PM2.5 sensor failure
E4- DC Motor failure
E5- Humidity sensor failure
E6- Communication Failure
E7- Defrost thermistor failure.
E8- Refrigerant Leakage
Maintenance of the dehumidifier
Proper maintenance of the dehumidifier by a specialized technician ensures worry-free
use and consistent performance, just like the day you purchased it. After maintenance, any
accumulated dust inside will be removed, along with any unwanted odors.
It is recommended to perform maintenance once a year.
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