Hisense Dehumidifier Troubleshooting Guide: It Is Not Working? See The Solutions

Hisense dehumidifiers are well-made and last a long time. They can, however, go wrong at some point, and few people know how to fix them.

You’ve come to the right place if your Hisense dehumidifier isn’t working or is having problems. This Hisense dehumidifier troubleshooting guide will walk you through the most common issues that have occurred with these units and teach you how to resolve them properly.

Without further ado, let’s get started!

Hisense dehumidifier is not collecting water

This is a common problem with any dehumidifier and can be caused by a variety of factors.

Don’t be alarmed if your dehumidifier isn’t collecting water. In my experience, you can quickly fix it. I’ve come across a number of common causes.

1. There is something wrong with the power supply

If your Hisense unit does not start the first time you use it, make sure the socket to which it is connected is operational. A three-prong outlet should be used to connect the power cord.

If your machine suddenly stops working after a while, check to see if the circuit breaker has tripped, which is common in old houses. You can either reset the breaker or connect your machine to another circuit in this case. You may require the assistance of a professional to resolve this issue.

2. Indoor humidity is too low

All Hisense dehumidifiers include a built-in humidistat, which detects humidity and controls the operation accordingly.

When the indoor humidity falls below the set level, the machine stops collecting water, and the fan occasionally runs to read the humidity.

You can check the hygrometer. It is possible that nothing is wrong with your machine.

3. Stuck water level float

A water level float inside the water bucket of your Hisense dehumidifier detects the water level, and when the tank is full, the machine will notify you and stop working.

Even if the bucket is empty, the machine will not run if it becomes stuck. Meanwhile, the control panel’s “empty bucket” light will illuminate.

Look at the “empty bucket” indicator on the control panel when your machine isn’t collecting water. If it is on, you will almost certainly need to adjust the water level float.

When all of the above-mentioned causes are ruled out, it could be due to a faulty component of your machine, in which case you should contact Hisense for assistance.

Hisense dehumidifier doesn’t dehumidify the air

Sometimes, you may notice your Hisense dehumidifier is running, but there is no change in the humidity level. This happened to my Hisense unit as well, and it is simple to troubleshoot.

The room is too cold

Hisense dehumidifiers must be used at temperatures above 38°F. This is due to the fact that cold air can reduce the performance of your dehumidifier. The evaporator coil cannot be warmed by room air, making it more prone to freezing.

Learn how to properly use a Hisense dehumidifier by clicking here.

Almost all the Hisense dehumidifiers come with a “de-icing” feature which will stop dehumidifying the air and only continue to run a fan to thaw the ice once it detects any ice on the coil. 

In this scenario, you can turn on a heater to improve the room temperature, and your Hisense unit will resume operation after a short period of time.

The air filter or coil is clogged

hisense dehumidifier filter

Even in warm climates, your Hisense dehumidifier may fail to dehumidify the air. In this case, the air filter or coil could be clogged.

Because of the restricted airflow, the coil becomes too cold, resulting in freezing issues.

To remove lint, dust, and dirt from the air filter, disassemble it and rinse it under running water.

Learn how to clean a Hisense dehumidifier by clicking here.

If it doesn’t work, the coil inside the machine may need to be cleaned. However, it is complex and may void your warranty. Before you do it yourself, you should contact customer service.

Hisense dehumidifier pump is not working

Not all Hisense dehumidifiers include a built-in pump. This pump function is only available on models with a “pump” button on the control panel.

A dehumidifier’s placement is critical because improper placement may prevent water from draining properly. However, with the assistance of a pump, the water can drain much more smoothly.

The machine is not connected to the hose

When the hose is not securely connected to your Hisense unit, the pump will not operate. If you have naughty children or pets, you should inspect the drainage hose.

If it is loosened, adjust it with your hands and press the “pump” button again.

Broken control panel 

When the control panel fails, your machine is unable to receive orders. That is, your Hisense dehumidifier is unaware that it should activate the pump.

You should contact Hisense directly unless you have the necessary expertise. They may send you a replacement unit.

The pump has failed

If you are still unable to troubleshoot your Hisense model, you can disassemble the hose and re-use the water tank. If your machine is working properly, it is possible that your pump has failed.

Similarly, you should consult with the manufacturer and a professional before installing a new pump.

Hisense dehumidifier is not draining through the hose

Whether or not your Hisense dehumidifier has a pump, it most likely cannot drain properly through the hose.

Other factors, aside from the broken pump, contribute to this issue.

The drainage hose is clogged or bent

Bends and kinks can obstruct water flow, preventing water from exiting the hose quickly.

Furthermore, impurities in the water can accumulate in the drain, preventing water flow.

Cut the excess drainage hose or place the hose end on another floor drain to fix it.

Your Hisense dehumidifier is in a lower position

If your Hisense dehumidifier does not have a built-in pump, it will drain by gravity through the hose.

As a result, when the machine is in a lower position, the water produced by the device cannot easily exit the hose end.

You can solve this problem by moving it higher up.

The water filter is clogged

Hisense dehumidifiers with pumps come with two water filters. It is recommended that they be cleaned every three months.

When they become clogged, water cannot pass through the filter, resulting in no water draining through the hose. You might also have to deal with leaks.

The water tank is full

If you are using the drainage hose for the first time, please make sure there is no water left in the water tank.

Your Hisense dehumidifier will turn off automatically when the water tank is full. Furthermore, standing water in the tank can promote the growth of black mold and bacteria, posing health risks to you.

Hisense dehumidifier e9 error code

Any Hisense dehumidifier’s digital display may show some error code, and e9 is one that people frequently report.

E9 codes frequently indicate a problem with the humidity sensor. Customer service will advise you to unplug the machine, reset it, and then plug it back in.

However, the issue may resurface. If the device is still under warranty, you should return it for a replacement. Otherwise, you’ll need to replace the original hygrometer humidity sensor with one purchased online.


The Hisense dehumidifier, like any other electrical device, can fail. This Hisense dehumidifier troubleshooting guide shows how to repair a Hisense dehumidifier that isn’t collecting water, has a faulty pump, or isn’t draining through the hose. You can also find out how to work with the E9 code.

I hope this guide is useful to you!

About The Author

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Liz Yang is the founder of Airsmartly. She has been working at home for a few years and realizes that the performance of the HVAC system plays such an important role in our life. She has tested dozens of products in person, like humidifiers, air purifiers, dehumidifiers, and ACs, and wants to share tips about using or troubleshooting these products with you. Her uncle is an HVAC expert with over 30 years of experience in the field, and often offers assistance when she is unsure how to handle a situation. He is also in charge of reviewing the articles on this site.

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