--- title: "Canon EOS R50 Troubleshooting" canonical: "https://gadgetguides.org/canon-eos-r50-troubleshooting/" author: "Arian" published: "2026-09-05T07:06:39+00:00" modified: "2026-09-05T07:06:39+00:00" language: "en-US" site: "Gadget Guides" description: "Your Canon EOS R50 suddenly refuses to cooperate. Maybe it won't power on. Maybe the lens error message keeps popping up midshoot. You're not alone in…" categories: "Cameras & Drones" attribution: "Gadget Guides (https://gadgetguides.org/)" --- # Canon EOS R50 Troubleshooting Your Canon EOS R50 suddenly refuses to cooperate. Maybe it won't power on. Maybe the lens error message keeps popping up mid-shoot. You're not alone in this. Canon EOS R50 troubleshooting doesn't have to be guesswork when you know what to check first. Per CIPA testing standards, the LP-E17 battery delivers around 310 shots per charge through the viewfinder. That's a useful benchmark when diagnosing power issues. If your R50 dies well before that number, the problem might not be the camera itself. Let's walk through what your camera is actually telling you. ![Canon EOS R50 troubleshooting](https://gadgetguides.org/wp-content/uploads/2026/09/canon-eos-r50-troubleshooting-mto1hpg5.webp) Image source: Web (Bing) / store.canon.se (Web image (fair-use with source credit)) ## What Your R50 Is Trying to Tell You The R50 communicates problems through specific error codes and behaviors. A blank LCD screen usually means a power or battery connection issue. A blinking lens icon indicates the mount isn't seated properly. A steady "Busy" message points to a slow memory card or a full buffer. Pay attention to when the problem happens. If your R50 freezes during burst shooting, the buffer is likely full. If it powers off mid-video, overheating protection kicked in. If autofocus refuses to lock, check whether the lens is set to manual focus mode on the barrel switch. Common error codes include Err 70 (a generic image-processing fault that often clears with a restart) and Err 80 (a firmware or hardware glitch that may need a factory reset). Neither code means the camera is dead. Most of these issues have simple fixes. The same logic that applies to resolving occasional camera glitches often works here too. ## Quick Answer Canon EOS R50 troubleshooting starts with power, lens, and card checks. Make sure the battery is charged. Clean the lens contacts. Format the SD card in-camera. If the camera still won't cooperate, perform a factory reset. Most common R50 issues resolve with one of these four steps. ## The R50 Decision Tree: Diagnose by Symptom Find your symptom below. Follow the branch that matches your situation. ### Symptom: Camera won't power on If the LCD stays black and no LED lights show, check the battery first. Remove the LP-E17 and reinsert it. Make sure the contacts are clean. A tiny piece of lint can block the connection. If the battery is fully charged, test the charger. A dead charger is more common than a dead camera. If the camera powers on with a different battery, your original battery needs replacing. ### Symptom: Lens error or "Lens is not attached properly" If you see this message, remove the lens and inspect the gold contact pins on both the lens and the camera body. Bent or dirty pins cause this error. Clean them gently with a dry microfiber cloth. If the pins look fine, remount the lens. Rotate it until you hear a firm click. If you're using a third-party lens, check for compatibility issues. Some non-Canon lenses need a firmware update to work with the R50's RF mount. ### Symptom: Autofocus won't engage If the shutter button half-press does nothing, check the lens switch. Many RF-S lenses have a physical MF/AF toggle. If it's set to MF, the camera won't autofocus no matter what. If the switch is on AF but focus still hunts, the scene may lack contrast. Point the camera at a high-contrast edge like a tree branch. If autofocus works there but not on your subject, switch to a different AF area mode. ### Symptom: Shutter won't fire If you press the shutter button and nothing happens, check the memory card. A full card or a write-protected card blocks the shutter. If the card has space and isn't locked, check the buffer. During burst shooting, the R50's buffer fills after about 7 raw frames. Wait a few seconds for it to clear. If the camera still won't fire, check the focus. The R50 won't release the shutter if it can't achieve focus in single-shot AF mode. ### Symptom: Wi-Fi won't connect If the Camera Connect app can't find your R50, restart both the camera and your phone. If that doesn't work, delete the pairing from the camera menu and start fresh. Make sure Bluetooth is on. The R50 uses Bluetooth for initial pairing, then hands off to Wi-Fi. If your phone is on a 5 GHz network, switch to 2.4 GHz. The R50 only supports 2.4 GHz Wi-Fi. ## Fixing the Three Most Common R50 Problems Three issues account for most R50 support calls. Let's tackle them in order. ### Problem 1: Camera won't turn on This is almost always a battery or charger problem. The LP-E17 battery has a row of four gold contacts. If those contacts are dirty or the battery isn't seated flat, the camera gets no power. Open the battery compartment. Remove the battery. Rub the contacts gently with a clean, dry cloth. Reinsert the battery until it clicks into place. Close the door firmly. If the camera still doesn't power on, test the charger. Plug the battery into the LC-E17 charger. The indicator light should glow amber. No light means the charger is dead or the battery is fully drained beyond recovery. Try a different LP-E17 battery if you have one. If you're using USB-C charging, make sure your charger supports Power Delivery. A standard phone charger (5V/1A) won't charge the R50's battery in-camera. You need at least 5V/3A PD support. ![Canon LP-E17 battery and charging](https://gadgetguides.org/wp-content/uploads/2026/09/canon-lp-e17-battery-and-charging-mto1hrxy.webp) Image source: Web (Bing) / amazon.ca (Web image (fair-use with source credit)) ### Problem 2: Lens error message The "Lens is not attached properly" message appears for three reasons: dirty contacts, an unseated mount, or a damaged lens. Start by removing the lens. Inspect the metal mount ring on both the lens and the camera body. Look for bent pins or debris. Clean the gold contact pins with a dry cloth. Don't use liquids or compressed air, which can push dust deeper. Remount the lens. Align the white index dot on the lens with the white dot on the camera body. Rotate clockwise until you hear a click. The lens should feel solid with no wobble. If the error persists with a different lens, the camera body may have a damaged mount. That requires a service visit. If the error happens only with one specific lens, that lens needs repair. ### Problem 3: Autofocus not working The R50's Dual Pixel CMOS AF II is fast and reliable. When it stops working, the fix is usually simple. Check the lens switch first. RF-S kit lenses have a physical AF/MF switch. If it's set to MF, the camera ignores autofocus commands entirely. Flick it back to AF. Next, check the camera's AF mode. In the menu, make sure you're not in Manual Focus mode. Also check the AF area selection. A single-point AF area placed in a blank sky or a white wall will hunt endlessly. Switch to Face/Eye Tracking and let the camera find your subject. If autofocus works in good light but fails in dim conditions, that's normal. The R50 needs some contrast to lock focus. Add light or use a focus-assist beam if available. ## Mistakes That Make R50 Troubleshooting Harder Some issues aren't camera problems. They're user habits that create problems. Here's what to stop doing. ### Using the wrong SD card The R50 accepts UHS-I SD cards only. It does not support UHS-II or UHS-III cards. If you insert a UHS-II card, it will physically fit but won't work any faster. Worse, a slow UHS-I card (Class 4 or lower) can cause the buffer to fill quickly and trigger "Busy" delays. For 4K video, use a card rated UHS Speed Class 3 (U3). A card that's too slow will cause the R50 to stop recording mid-clip with a card speed error. ![R50 SD card slot](https://gadgetguides.org/wp-content/uploads/2026/09/r50-sd-card-slot-mto1htp1.webp) Image source: Web (Bing) / baedermuseum.de (Web image (fair-use with source credit)) ### Formatting the card on a computer Always format your SD card inside the R50, not on a PC or Mac. Computer formatting can use a file system the camera doesn't fully support. This leads to "Card error" messages, corrupt files, and skipped shots. To format, go to the Wrench 3 menu and select "Format card." This optimizes the card for the R50's file system. Do this every few weeks, or after transferring a large batch of photos. ### Ignoring firmware updates Canon releases firmware updates for the R50 that fix bugs, improve autofocus performance, and resolve connectivity issues. As of 2026, the R50 has received several updates since its initial release. If your camera is running older firmware, you may experience glitches that later versions fixed. Check your current firmware version in the menu (Wrench 3, "Firmware"). Compare it to the latest version on Canon's support site. If there's a mismatch, download the update to a formatted SD card and install it through the camera menu. ### Using non-Canon batteries Third-party LP-E17 clones are cheaper, but they can cause trouble. Non-Canon batteries may not communicate properly with the R50's battery management system. This can result in inaccurate battery level readings, sudden shutdowns, or the camera refusing to power on at all. The R50 also cannot charge third-party batteries via USB-C in-camera. If you use a clone, you must charge it in an external charger. ### Overlooking the obvious Sometimes the fix is embarrassingly simple. The lens cap is on. The mode dial is in Movie mode but you're trying to take a still. The memory card is write-protected (slide the lock tab). The battery door isn't fully closed. Before diving into advanced troubleshooting, run through the basics. Check the lens cap. Check the mode dial. Check the card lock. You'd be surprised how often these simple things get overlooked. ## When to Reset, Update Firmware, or Call Canon Some R50 problems won't budge with basic fixes. That's when you need to escalate. ### When to perform a factory reset Use a factory reset when the camera behaves unpredictably across multiple functions. Maybe the menu lags. Maybe exposure settings change on their own. Maybe the camera keeps showing error codes that clear temporarily but return. A reset restores every setting to its default state. This wipes custom white balance, personalized Picture Styles, and Wi-Fi pairing data. It does not delete your photos or videos. Navigate to the Wrench 3 menu. Select "Clear all camera settings." Confirm the reset. The camera restarts with factory defaults. If the erratic behavior stops after the reset, the problem was a corrupted setting. If it continues, the issue is hardware or firmware related. ### When to update firmware Firmware updates fix known bugs and improve performance. Check your current version under Wrench 3, "Firmware ver." Compare it to the latest version on Canon's official support page. Download the firmware file to your computer. Extract the file. Copy it to the root directory of a formatted SD card (not inside any folder). Insert the card into the R50. Go to the Firmware menu and select "Update." The camera handles the rest. Never turn off the camera or remove the battery during a firmware update. Interrupting the process can brick the camera permanently. Ensure the battery is fully charged before starting. ### When to call Canon Some problems need professional repair. Contact Canon support if: - The camera powers on but the sensor shows visible damage (scratches, spots that won't clean off) - The mount appears physically bent or damaged - The LCD screen has cracks or dead pixels - The camera produces consistent error codes (Err 70, Err 80) that don't clear after a reset - The USB-C port feels loose or doesn't hold a cable securely If the camera is under warranty, Canon will repair the issue at no cost. If the warranty expired, ask for a repair estimate before approving work. Sometimes the cost of repair approaches the price of a replacement body. ## Pro Tips for Avoiding R50 Issues Prevention saves time and frustration. These practices keep your R50 running smoothly. ### Charge batteries properly The LP-E17 battery performs best when charged in the dedicated LC-E17 charger. USB-C charging in-camera is convenient but slower. It also generates more heat inside the camera body, which can contribute to overheating during video recording. Avoid draining the battery to zero before recharging. Lithium-ion batteries last longer when kept between 20% and 80% charge. If you store the R50 for more than a month, remove the battery and store it separately at about 50% charge. ### Keep lens contacts clean Dust and oil from your fingers accumulate on the gold contact pins. This is the leading cause of lens communication errors. Clean the pins on both the lens and the camera body with a dry microfiber cloth every few weeks. When swapping lenses, point the camera body downward. This prevents dust from falling onto the sensor or the mount contacts. ### Use the right memory card habits Format the SD card inside the R50 before each important shoot. This clears fragmented file structures and reduces the chance of card errors. Use only UHS-I cards rated U3 or higher for video work. For still photography, a U1 card is sufficient, but U3 gives you a safety margin. Keep spare cards in a protective case. Static electricity from pockets or bags can corrupt data on exposed cards. ### Protect the camera from heat The R50 lacks active cooling. Direct sunlight on a hot day can cause the camera to overheat, especially during 4K video recording. Use a white umbrella or a reflective sun shield when shooting outdoors. If you plan to record long clips, consider shorter takes with breaks in between. This lets the camera cool down before the next clip. ### Handle the vari-angle screen carefully The R50's articulated LCD screen is a common failure point. Cables inside the hinge can wear out if you flip the screen aggressively. Open and close it gently. Avoid leaving the screen flipped out when packing the camera in a bag. The hinge is strong but not unbreakable. ## Frequently Asked Questions ### Why won't my Canon R50 turn on? The most common cause is a dead or improperly seated battery. Remove the LP-E17 battery and reinsert it firmly until it clicks. Clean the gold contacts with a dry cloth. If the camera still won't power on, test the battery in the external charger. A faulty charger or a battery that won't hold charge is usually the culprit. ### How do I fix a lens error on the R50? Remove the lens and inspect the gold contact pins on both the lens and the camera body. Clean them gently with a dry microfiber cloth. Remount the lens by aligning the white dots and rotating clockwise until you hear a click. If the error persists with a different lens, the camera body may need repair. ### Why is my R50 autofocus not working? Check the physical AF/MF switch on the lens barrel. If it's set to MF, the camera won't autofocus. Also verify that the camera's focus mode is not set to manual in the menu. In low contrast scenes, autofocus naturally hunts. Point the camera at a high contrast subject to confirm the system works. ### How do I reset my Canon EOS R50 to factory settings? Go to the Wrench 3 menu and select "Clear all camera settings." This restores every setting to default without deleting your photos or videos. You will need to reconfigure custom settings, Wi-Fi connections, and white balance presets after the reset. ### What SD card should I use with the R50? Use a UHS-I SD card rated UHS Speed Class 3 (U3) or higher. The R50 does not support UHS-II or UHS-III cards. A U3 card ensures smooth 4K video recording and fast buffer clearing. Format the card inside the camera before first use. ### Can I charge the R50 via USB-C? Yes, but only with a Power Delivery charger that outputs at least 5V and 3A. Standard phone chargers won't work. In-camera USB-C charging is slower than the external charger. It also generates more heat, so avoid using it during active recording or long shooting sessions.