The Sony A6400 is a fantastic choice for photography enthusiasts looking to start in this field. Unlike some older DSLR cameras, this modern mirrorless camera is compact due to its APS-C sensor. However, it still offers all the latest features and delivers one of the best image qualities.
The camera has gained popularity among many users, especially those seeking a portable and convenient option that can be easily carried.
Furthermore, Sony is renowned for its exceptional color science, resulting in stunning images. If you’re in search of a camera that can produce outstanding photos and videos, the Sony A6400 is an excellent choice that won’t disappoint.
It also performs admirably for videographers, although you may require a good gimbal for ultra-smooth shots.
Nevertheless, many users have repeatedly inquired about preventing the Sony A6400 from overheating. Addressing this issue has been a concern for some time, and pinpointing the exact cause is often more challenging than expected. So, In this article, we will walk you through all the necessary ways and reasons on how to stop your Sony A6400 overheating.
Table of Contents
Common Reasons for Sony A6400 Overheating:

Experiencing overheating in your Sony A6400 camera is not an issue to take lightly. Many electronic devices with batteries can indeed heat up, and we often encounter this with our smartphones. Typically, this is not a cause for concern until the situation becomes unusual and uncomfortably hot.
However, if you’re pondering why your Sony A6400 is overheating, there could be underlying problems more serious than you might initially believe.
Here, we’ll explore some potential reasons for this overheating concern. While some issues may have straightforward solutions, others could necessitate professional assistance.
It’s crucial to address overheating problems because dealing with excessive battery heat or other related issues is not a situation most people want to encounter.
1) Possible Faulty Battery:

The initial reason that could be leading to the camera overheating is a potential issue with the battery. Although such occurrences are relatively rare due to the durability of camera batteries, they can still encounter problems from time to time.
You don’t need to be overly concerned about this matter. Camera batteries are generally affordable, and our recommendation is to try a new battery to determine if the overheating problem persists.
It’s also advisable to open the battery compartment, which can allow the battery to have better ventilation and potentially resolve the overheating concern.
We also suggest keeping a spare battery on hand, which is a good practice for all photographers, whether they are hobbyists or professionals.
Replacing the battery should resolve the overheating problem.
2) Extended Usage:
Another common issue we often come across is the camera overheating due to prolonged use. Although it might not appear to be a significant problem initially, it’s essential to address it.
Overheating can occur when the camera is used continuously, especially for activities like recording videos. You may notice the camera becoming excessively hot or the LCD screen being too warm to touch.
To avoid such issues, it’s highly recommended to give your camera regular breaks during extended use. If you fail to do so, it can lead to more severe problems, potentially causing your camera to stop functioning.
A frequent reason for overheating is shooting in 4K resolution. While 4K is popular, it comes with certain limitations. It’s essential to be aware of these limitations.
The solution? Actively cool your camera and ensure you take breaks between video shoots. This approach can help manage and prevent overheating issues.
3) Outmoded Firmware:
Another important factor to consider is that the original Sony A6400 camera did encounter overheating issues, primarily during video recording and occasionally when taking photos.
It’s crucial to note that Sony addressed this problem by releasing firmware updates. The latest firmware versions have largely resolved the overheating problem. Consequently, most modern Sony A6400 cameras running up-to-date firmware no longer face this issue.
However, if you continue to experience overheating problems, we strongly recommend upgrading your camera’s firmware. This step can help prevent potential issues and ensure your camera operates smoothly. We want to avoid any camera malfunctions due to overheating.
4) Sunlight and Other Heat Sources:
Have you ever wondered why most companies advise keeping devices away from direct sunlight or other heat sources? This precaution is essential because safeguarding equipment from heat is of great importance. Neglecting this can lead to problems, which you’d want to avoid.
If your Sony A6400 is experiencing overheating, we strongly recommend taking measures to protect it not only from heat but also from similar heat sources. The goal is to prevent potential camera failures.
5) Damaged Hardware:
One more reason for your camera’s overheating may be one of the most concerning. The camera might be overheating, and while it may not seem like a major issue, it can indeed cause problems for many users.
If you’re experiencing overheating issues and none of the previously mentioned reasons is to blame, there’s a high likelihood that faulty hardware is the culprit.
In such cases, our primary and only recommendation would be to seek assistance from a professional who can examine the camera and resolve the issues for you.
Methods for Preventing Sony A6400 from Overheating:

Having explored the reasons behind Sony A6400 overheating, let’s now delve into methods to maintain its optimal temperature. While camera overheating is relatively rare, it’s essential to take precautions to ensure your camera stays cool.
Unlike some high-end models with exceptional specifications, the Sony A6400 generally operates smoothly without significant issues.
However, if you’re interested in keeping your camera cool, we’ll cover some essential aspects that can help you achieve this goal. So, without further ado, let’s proceed and examine several factors that contribute to preventing overheating.
1) Resting Periods:
Unlike many contemporary cameras, the Sony A6400 doesn’t impose strict usage limits for recording or shooting, whether it’s videos or photos. While this freedom can be enticing, it’s advisable to incorporate breaks during extended usage.
Although missing out on capturing moments might be a concern, it’s essential to prevent excessive camera-generated heat that could potentially harm your device.
Should you sense your camera overheating and feeling hot to the touch, the recommended course of action is to power it off and allow it to cool down before resuming your photography or videography activities.
2) Exchange the Batteries:

If the previously mentioned solution doesn’t effectively maintain your camera’s temperature and keep it cool, the issue might lie with a faulty battery.
Dealing with defective batteries can be a cause for concern, but replacing the battery with a functioning one can resolve the problem.
As a general precautionary measure, we advise all camera users, even those who haven’t encountered overheating issues, to carry a spare battery. It’s a prudent practice that ensures you’re well-prepared for any unforeseen situations.
3) Powering Off the Camera:
Certainly, many photographers and videographers have a daily routine of keeping their cameras powered on throughout the day. Some argue that turning off the camera slows them down.
However, it’s worth noting that modern cameras have quick startup times, and shutting them down provides an opportunity for the camera to rest and cool down.
If your camera is not in use, simply power it off, and you’re good to go.
4) Using External Power Sources:
While it might seem unconventional, often, the primary cause of overheating is the camera’s battery.
While it’s understandable to prefer using the camera’s built-in battery, if you consistently encounter overheating issues, we recommend considering the use of an external power source. This can make it significantly more convenient to operate the camera without concerns about overheating.
The A6400 can be powered using a power bank or another external power source, effectively addressing the heating problems.
5) Use a High-Speed SD Card:

The second most common cause of overheating is often related to the choice of SD card. Overheating can occur if you’re using an SD card with insufficient recording and transfer speeds. Different camera settings, such as frames per second (fps) and resolution, have specific minimum criteria for SD card performance, with higher-quality videos requiring faster cards.
For smooth performance, 4k video recording, for example, demands an SD card with a minimum recording rate of 130 MB/s and a transfer rate of 250 MB/s.
6) Activate Airplane Mode:
Enabling Airplane Mode can significantly extend your camera’s operating time without overheating. This mode effectively disables unnecessary background processes that are not essential for recording, helping maintain a cooler temperature.
7) Avoid Unnecessary Maximum Settings:
Recording at the highest resolution and frame rate is rarely a necessity. Even when shooting in 4k, you can usually reduce the frame rate. Lower settings place less strain on your camera, reducing the risk of overheating.
In reality, if you’re recording at resolutions below 4k with a reasonable frame rate, overheating is unlikely to be a problem. Take it easy on your device!
8) Update Camera Firmware:
Sony periodically releases firmware updates for their cameras, addressing common issues. As a final solution, consider upgrading to the latest firmware version, which may help resolve overheating problems and other issues.
9) Utilize a Fan:
Having a small fan nearby, such as one powered by USB, can assist in circulating air to cool the A6400. The practicality of this depends on how much you move around.
If you can position a cooling fan near your device without hindering your mobility, that’s a great solution. However, do be mindful of the gentle humming sound the fan may produce!
10) Angle the LCD Screen:
Another straightforward yet highly effective method involves angling the A6400’s screen away from the camera body. Since the screen tends to generate warmth, angling it away creates a pathway for air circulation. This, in turn, increases the contact area with the air and aids in cooling down the camera.
Bottom Line:
We acknowledge that the Sony A6400 is an impressive camera, but let’s be realistic; nobody enjoys encountering overheating issues. After all, when you’ve invested a considerable amount of money in your hardware, it’s disheartening to see it at risk of overheating and potential damage.
Fortunately, this guide aims to address Sony A6400 overheating issues, particularly those related to streaming. If you continue to experience overheating problems, We strongly recommend taking your camera to a professional service center for a thorough examination.
FAQs
What is the Maximum Continuous Recording Time Before Overheating?
The duration for which the camera can continuously record without overheating doesn’t follow a consistent pattern or have a set limit. Reviews indicate that it varies considerably, and the variability likely arises from a combination of internal and external factors.
Is the Sony A6400 resistant to Water Exposure?
The Sony a6400 features a sturdy and compact construction. Its body is equipped with weather-sealing, providing resistance to moisture and dust, making it suitable for underwater photography. However, some users may find the camera’s ergonomics a bit challenging due to the need to navigate through various menus to adjust essential settings.
Why Was the a6400 Discontinued?
Production ceased. This announcement follows Sony’s decision to halt orders for six camera models, including the a6400, a6600, a7 II, a6100, a7C, and ZV-E10, due to global supply issues affecting components. Additionally, Sony disclosed that it had officially ended the production of the a7 II and a6100 cameras.
Is the Sony A6400 suitable for Underwater Photography?
The a6400 offers extended battery life and proves to be a fantastic option for underwater videography. Its versatility allows for seamless transitions between video and still photography in underwater settings, delivering impressive outcomes in both aspects.
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