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Samsung Dishwasher Heavy Light Blinking – How to Fix?

Dishwashers are there to make the daily work more convenient for the user. Most times people go for the easy to use dishwashers. The easier it is to maneuver the machine, the more convenient it is for the user. 

Along with this, some additional features of the machine also draw the attention of the user. Before getting any of the dishwashers, you should be aware of how the machine works and what the built in features indicate. 

Samsung dishwasher heavy light blinking

The heavy light blinking in the Samsung dishwasher indicates that there is too much water in the machine. The heavy lights go off when there is an issue with the drainage system of the dishwasher. Most times the problem is related to an overflow of water in the sink hose and drainage line.

Samsung dishwashers come with built in features Indicating any problem or issues by blinking lights is a common feature for the Samsung dishwasher. There are many lights that go off to indicate any problem in the machine. And each light indicates a different problem. 

You should be aware of what the blinking lights mean.

One of the common lights is the one that blinks heavily. When you notice the heavy light blinking make sure to check the drain system and the sink connector. Because the heavy sign means that there is too much water in the dishwasher. 

This can indicate an obstacle in the drain hose. 

There might be other reasons for the light of the dishwasher to blink heavy. Usually many things trigger the blinking lights of the Samsung dishwasher. Though there are a few definite reasons for the lights to go off, it is possible for other reasons to set the lights off as well –

Too much water:

If there is too much water is the sink of the dishwasher. There is a possibility of too much water being in the drain as well. Basically the heavy sign starts to blink whenever there is an issue with the drain system. 

The first thing you should check when you find the heavy sign blinking is the drain system.

Drain issue:

The heavy lights blinking is a common indicator of something going wrong in the drain system. It can be because of the perseverance of the drain issue. 

If any problem of the drain sink lasts for a long time then there is a chance of the heavy lights to go off. The light will keep blinking till you fix the problem or reset the entire dishwasher. The drain is an important part of the dishwasher. 

Which is why you should take the blinking heavy light seriously. 


Another issue might be any unwanted leakage in the dishwasher, specifically in the drain. There are many leakage sensors set in the dishwasher. So if there is any unwanted moisture in the drain system, the heavy light starts blinking. 

The drain is crucial for the dishwasher. Any leakage in that area will cause serious problems in the entire machine. Which is why you should look carefully for any leakage around the drain. 

And after you locate the leakage make sure to take care of it immediately to avoid any severe problems.

Any problem regarding the drainage system will be noticeable by the sensors of the dishwasher. And that is when the dishwasher gives indications. The heavy lights start to blink when there is an issue with the drain system. Either there is too much water in the machine or there is a leak.

Is Samsung dishwasher blinking heavy light common?

Samsung dishwashers have been the popular choice for a long time. There are many reasons for this brand to be a popular favorite. The additional feature that the machine has is definitely one of the reasons. And among the many features one very common feature is the blinking lights of the machine. 

Samsung dishwasher dw80j3020us: 

This version of the Samsung dishwasher is an old one but still very popular. The machine gives off the heavy lights blinking when there is too much water in the dishwasher. This is a good feature that the dw80j3020us dishwasher has.

Samsung dishwasher dmt300rfs: 

Though the dmt300rfs is relatively new in the market, there is a good impression about the machine because it has the common built-in feature. The machine blinks heavily whenever there is an overflow of water in the machines’ sink or drain. 

It is a prominent and important feature that the machine has.

How do I fix a blinking heavy light in my Samsung dishwasher?

A common feature of the Samsung dishwasher is the blinking lights indicating any problem or issues. And an even more common issue is the heavy lights blinking in the dishwasher. The heavy light is a common occurrence for the Samsung dishwasher. 

It generally indicates that there is too much water in the dishwasher sink. 

When this happens, the first thing you should do is check the drain and sink. Also the drain hose while you are at it. The problem can be resolved in a matter of minutes if you know what to do. 

Given below is a guide to solving the problem when your Samsung dishwasher starts to blink heavy –

Turn the machine off: 

You will have to turn the machine off first. But you have to do it from the breaker. Because when the heavy light starts to blink you won’t be able to power down the machine. You have to manually cut the power off from the breakers and the circuit. 

Or you can pull the plug from the back of the machine. Though this is not very safe and might cause damage to the machine later on. Try to turn the machine off through the breakers. 

Remove the racks:

Remove the racks from inside the machine to prevent any damage or loss to the machine body. Also make sure there is nothing inside the machine. It might be damaged as you will be moving the machine while trying to fix the light.

Keep the machine off for a while:

Keep the machine off for a while. And as you do so, check the drain hose. Make sure there are no obstacles in the drain hose. This is to ensure that there are no problems with the water from passing through the drain hose and the sink of the dishwasher. 

Put the machine back in place:

After a few minutes, when you notice the drain sink dry out a little bit, you can put the machine back in place. And after you are done setting the machine properly, you can turn the breakers on again and start the machine. 

The heavy light goes off when there is too much water in the dishwasher. Clear that up and the machine should be okay.

How do I know if my Samsung dishwasher drainage hose is clogged?

The drainage system is the most important one of a dishwasher. Most of the problems that occur in the dishwasher, can be traced back to the drain hose. If you have a clean and clear drainage line, then you will face very little problem regarding the dishwasher. 

With any dishwasher it is very easy to figure out whether the drainage hose is clogged or not. And for the Samsung dishwashers, there are some additional indications to inform the user about any clogs or obstacles related to the drainage hose. 

Given below are some of the signs for you to know if the drain hose is clogged or not –

Check the drain pipe:

If the water in the sink is not running properly, then you should check the drain pipe or the hose. Usually when there is an obstacle in the drain hose and the hose clogs, the water has difficulty passing through. And the water starts to build in the sink.

Error code:

The Samsung dishwasher has many indications for any sort of common problem with the machine. And the machine also notifies when there is an issue with the drainage hose. 

The Samsung dishwasher gives out an error code that says “No drain”. When you see this code you should check the drain hose and clear any obstacles. 

Usually when the drain hose gets blocked, the entire machine stops working and it causes a lot of inconvenience. Make sure you keep a lookout for any clogs and obstacles related to the drainage hose of the machine.

Final thoughts

The Samsung dishwasher is a major convenience to the users. The machine gives off lights as indication. The heavy light starts to blink when there is too much water in the dishwasher. When you see this light blinking make sure you turn the powers off and take care of the issue as soon as possible.