7 Reasons Why Your Vape Pen Blinking Blue (Fixed!!!)

Why Is My Vape Pen Blinking Blue

If you’ve been using your treasured vape pen for quite some time, and then suddenly there were some unusual light actions, this could be a sign of trouble. Vape devices typically come with LED flashing lights in different colors. And each color signals a certain function to the users.

So, why is my vape pen blinking blue? In this guide, you will be able to answer this question and uncover the most common reasons for this error. Likewise, we will give some relevant maintenance tips to keep your vaping device in tip-top condition ever after a long time.

What are the different LED colors mean?

As we begin this article, it’s important that you have a detailed understanding of the different LED colors on the vape pen. It’s because these colors indicate the voltage settings. There are four main colors―blue, green, red, and white, which then signify a certain usage level.

When using the vape, the indicator light turns blue. The steady color blue also means that the usage is high. If the LED light turns white, it means that there might be an error with the connection or the cartridge is just empty.

On the hand, the indicator shows a green light if there is only medium battery power, roughly around 20%. If the remaining battery life plunges below 10%, the color becomes red. And if the red color is blinking, it signifies the need to recharge the vape battery immediately.

So, in general, the LED indicator remains off if the vape pen battery is not in use. Meanwhile, if the blue lights are continuously blinking, it could be an indication of a problem that needs to determine as soon as possible.


What does it mean when the blue light is blinking?

The LED lights are key components of a vape pen that give you an idea of its current battery level. When a light blinks, it typically signifies issues with the battery, although it may just be an extraneous symptom of a more serious problem. Thus, it’s crucial to uncover the main reason for proper troubleshooting tips.

What does it mean when the blue light is blinking

1. It could mean a low battery.

While the color blue is typically associated with high battery power, a blinking pattern could point to issues with the battery power. So, when you have a disposable vape pen blinking blue, it may be an indicator that the light is about to turn green, which is a sign of medium battery power or even a dead battery.

Other vape pens also make use of this pattern to specify the need to recharge the battery soon. Therefore, if you come across this issue, try to connect the device to its specific charging cable and then to the power plug.

2. The vaping device does not have enough e-juice.

The e-juice is one of the working forces of an electronic cigarette that is heated up to create vapor and add flavor when vaping. Also referred to as vape juice, this generally contains propylene glycol (PG), glycerol, and chemical flavors. Some also add water or make use of vegetable glycerin instead of PG.

Likewise, you have the option to choose e-liquids with nicotine, just like cigarettes. The level of nicotine varies accordingly, depending on your preference. And if there is not enough supply of vape juice, the LED blue light blinks to remind you that all the puffs have been used up.

Most vapes are pre-filled with a 1 ml vaping liquid that encompasses at least 300 puffs. Some advanced devices contain around 600 puffs. There are times when the vape runs out of juice even before it runs out of battery.

If this is a disposable vape, then you need to buy one. Meanwhile, if you have a standard vape, the blue blinking lights can be a sign to add e-juice. Another indicator that it’s time to refill the e-liquid is when there is less vapor and less flavor when you vape.

3. The voltage is low when you were charging.

When the vaping device is not charged properly, perhaps due to a low voltage, there’s a high chance to experience a flashing blue pattern when using the pen. Incorrect charging is something that you need to be cautious about to avoid problems in the safety features and general components of the vape in the long run.

So, if it’s time to charge the device, ensure that the device is safely connected to the USB charger and USB port. And if you’re unsure, you may check the user manual and see the battery mAh to know the most compatible voltage setting.

The voltage is low when you were charging.

4. The battery is loose.

The battery and the LED lights are associated with one another. So, if the battery is not securely attached to its storage, then blinking of lights can occur. Aside from frequent disconnections in the LED lights, a loose battery causes low voltage and puffing irregularities.

So, if you see a blue light that is flashing, take a look at the pen battery and make sure that it fits perfectly. Often than not, there could be dust accumulation or even a buildup of excess oil from the e-juice. These elements may cause a clog, hindering the contact point of the battery.

Thus, you should clean the battery area using a q-tip with alcohol. Just be sure to take out the lithium-ion battery first before cleaning. Then, let the battery container dry completely before reconnecting the battery.

5. There is damage to the internal component.

Even the most advanced vape pens can have errors in their manufacturing. Therefore, if the vape pen has been blinking blue for quite some time, it might be a sign of an internal problem with the device or perhaps a connection issue. It could be damage to the tank, atomizer coil, mouthpiece, or cartridge threads.

Ideally, you need to have it checked and repaired by the retail shop. However, since the components, as well as the functions of the vaping devices, vary depending on the manufacturer, it’s best that you check the user manual first to know the basic troubleshooting guides.

Moreover, make sure that you are able to determine the problem as soon as possible to avoid electrical issues like a short circuit or battery fires. Accordingly, if the device could not be repaired, there’s no other option but to purchase a new vape. If it’s within the warranty period, don’t forget to avail of it.

When buying one, it’s suggested that you choose a high-quality type of vape to prevent frequent problems with the device. Make your research in detail and opt for brands that have already made a name to save you time and money from constant repairs.

6. It’s a sign of overheating.

When the blue light flashes continuously, it could also be something related to battery overheating. There are some devices that blink when you take puffs simultaneously as a reminder that possible overheating can happen. Others also shut off after the blinking phase.

More so, multiple puffs can affect the flavor of the vapor. If you vape too quickly, there won’t be enough time to saturate the coil with the e-juice. Therefore, it’s highly suggested that you take one puff at a time to avoid this problem.

It’s a sign of overheating.

7. The power button or activation feature is malfunctioning.

As mentioned earlier, the blue LED light generally signifies that the vape is in use. Hence, a blinking light of the same color might also be associated with the power button of the device. It may be that the activation feature is stuck in the push position.

There are lots of reasons why this can happen. It could be due to junk that is trapped around the button or it may be a problem with the component itself. Likewise, it may be due to pressing the button for a long time that it gets stuck.

To remedy this problem, try to turn off the device. Then, remove any junk that is trapped within the power button. Try to restart the vape pen and see if the blinking motion is already fixed. If not, then it may need to be repaired immediately.


What are some maintenance tips to keep the device in good condition?

Disposable vape pens can last up to 1 to 2 years, depending on the frequency of your usage. The way that you maintain the device also significantly impacts its lifespan. And if you want to avoid issues with your vaping equipment, it’s important to use and store them properly.

Most vapers attach their vaping device with a lanyard and hang it around their necks. This way, they can easily use the equipment without the stress of possibly losing it. Aside from this, make sure you check the battery and clean up any unwanted buildup that may hamper the function of the key components.


Since there are various reasons associated with a vape pen that is blinking blue, it’s imperative to uncover the main cause. Go over the underlying causes that we’ve gathered above and remedy the problem at hand. And lastly, always secure the vape pen to avoid damage to the parts.


Rosedalekb Vape New Posts

Rosedalekb Vape

Your Premier Vape OEM Manufacturer

If You Need Any Vape OEM/ODM, Boom Your Business, You’ve Come To the Right Place!

    More On Rosedalekb Vape