1 d
Sentry safe battery dead?
Follow
11
Sentry safe battery dead?
4 If you have a Sentry safe that uses a battery, it's important to know what to do if the battery dies. Sentry Safe Battery Dead No Key. If you can help without my haveing to move the safe I would appreciate it. Your only other alternative, is to hire a local locksmith who specializes in safes and see if s/he can get it open without having to drill the lock out. If the only way to. Do not mix alkaline and other battery types. You can rest assured that once you replace the battery in your lock, your combination code. Solution: Replace the Sentry safe batteries with fresh batteries. Enter your model number below to locate and download a copy of your product manual. Download a copy of the SentrySafe SFW123GDC product manual. It would not budge so we opened the battery pack area and found the battery pack was broken. In addition, a hinge, door, bolt, or bolt-hole obstruction will prevent the safe from closing. invalid entries have been tried. When it comes to securing your valuable possessions, a safe is an essential investment. When the batteries are dead, they won't be able to activate after you put in your code. I took a break from my usual videos and decided to do. For most SentrySafe models, we recommend the following: Refrain from using rechargeable or Non-Alkaline batteries. One of the common sentry safe problems is having a dead battery. Computer/Electronics Consultant. I figured out this neat trick with a magnet. Is there any way to open a sentry safe that has dead batteries? Dont know modeel but its at least 12yrs old 102017 Engineer The battery is dead in my safe and it is lockt how do I get it open SENTRY a38603 Shaheen. Download a copy of the SentrySafe SFW123BTC product manual. If the design featured in this video does not match your model,. Download PDF user manual for Master Lock / Sentry S3807 Electronic Safe (EN|ES|FR) 13 pages 513023 2008 zip. No packaging or product damage. First time we tried to open it in a while. My Sentry Safe has a dead battery and I can not enter the password code to open the safe. Dec 4, 2022 · Your Sentry Safe is a great way to keep some of your most important belongings, or even a gun, safe from all sorts of conditions. Look for the small square plastic cap next to the touch pad, you will see a cap, open the cap, you will see two prongs to fit the 9volt square battery. For most SentrySafe models, we recommend the following: Refrain from using rechargeable or Non-Alkaline batteries. One of the common sentry safe problems is having a dead battery. Low battery indicator, when red light comes on - batteries should be replaced. If the design featured in this video does not match your mo. Answered by Richard in 42 mins 8 years ago. Submitted: 8 years ago. Category: Appliance. The "dead folder" is a physical or digital folder that an individual or family keeps that contains important information that will be needed in the event that someone dies Dealing with dead grass in your yard? This step-by-step guide gives you the best tips on how to revive dead grass. I am not sure of the model no. The first thing you’ll need to check is what model safe you have. I took key pad off a put on and out side battery. I have a Sentry safe with dead batteries. I have a Sentry safe with dead batteries. Download a copy of the SentrySafe FHW40300 product manual. When it comes to securing your valuable possessions, a Sentry Safe is a reliable choice. With a width of 390 millimeters, a depth of 410 millimeters, and a height of 607 millimeters, this safe offers ample space for storing various belongings. One of the common sentry safe problems is having a dead battery. Look for the small square plastic cap next to the touch pad, you will see a cap, open the cap, you will see two prongs to fit the 9volt square battery. first locate the battery compartment on the bottom of the keypad. Just with the code, don't have the key Great, 92021. Preserving user code. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. Safe still has the manufactures given combination numbers setting, can not use without the keypad working. Download PDF user manual for Master Lock / Sentry S3517 Electronic Safe (EN|ES|FR) 13 pages 513023 2008 zip. ; Page 2 De nombreux problèmes peuvent être résolus rapidement. Find My Product Manual. How long does it take to open a Sentry Safe? "We did it on TV in 1. 2012-02-21T00:00:00 Will not open - battery dead? Sentry A3807. The safe is in lockout mode, or the time delay is active. 2012-01-10T00:00:00 Have sentry safe it has a battery to operate safe the battery has gone dead cannot open safe with combution - Answered by a verified Expert have sentry safe it has a battery to operate safe the battery has gone dead cannot open safe with combution Show Less. Download a copy of the SentrySafe EF3428E product manual. Open the door using the lever handle Dead battery I believe. Customer: Sir: we have a small Sentry Safe with the number A3760 and BD735231on the side, the battery seems to be dead, therefor the key will not let the handle turn because the keypad can not accept password. Check the batteries first to ensure they have. Enter your model number below to locate and download a copy of your product manual. Jan 23, 2022 · Do you know how to change the battery of your sentry safe? We will guide you through the process of changing the battery of various models! Sep 20, 2014 · If your safe battery is low, the latch mechanism won't open even if the code is correct and shows a green light. The first thing you’ll need to check is what model safe you have. To install batteries slide open the battery cover located just below the keypad. Dec 18, 2023 · If your Sentry Safe’s battery is dead and you can’t access it with the digital lock, you can use the battery auxiliary override. With a width of 390 millimeters, a depth of 410 millimeters, and a height of 607 millimeters, this safe offers ample space for storing various belongings. Unlocking a Sentry Safe with Dead Batteries • Safe Battery Solutions • Learn how to open a Sentry safe when the battery dies by replacing dead batteries, usi. I have a small sentry safe that key pad went dead 92012 Have owned electronic repair shop. Solution: Replace the Sentry safe batteries with fresh batteries. I just changed the battery on my model ET8523 Sentry Safe, and I can't get it to unlock. EtA: Safari by Cannon - 28 gun, 30 min @ 1200°F , 382 lbs. If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. I have a sentry safe v260 and the battery is dead how can I open this safe. If the battery is running low, your lock could still have enough power to light up its display key pad and make its normal tones. Programming a Passcode To Open Your Safe for the First Time Page 2 For More Info Click Here ---> Thank you for purchasing this FloodGuard Models TC8-331 and TW8-331 Sentry Fire-Safe product. Built with solid steel construction, a pry-resistant door and two live-locking bolts, this safe ensures your valuables remain secure. Dead batteries. Locate the battery cover: Open the safe door and locate the battery cover on the inside back of the door Remove the battery cover: Slide the battery cover to the right to remove it from the safe door If your Stack-On safe has a dead battery, there are still ways to open it. One of the common sentry safe problems is having a dead battery. Seriously guys, easiest way in the world to unlock a sentry safe (any key lock for that matter with just ONE BOBBY PIN!!! Watch this, you wont regret it Customer: I have a Sentry Safe Model A4887. 4,983 Satisfied Customers. Expert Advice On Improving Your Home Videos Latest View All Guide. Download a copy of the SentrySafe SFW082F product manual. Solution: Replace the Sentry safe batteries with fresh batteries. HVAC/Refrigeration & Appliance Tech. SentrySafe Pistol Safes deliver assurance to gun owners that they will have quick, reliable access to firearms when it matters most. 4,878 Satisfied Customers. In general, however, the batteries should work upwards of two years. My sentry safe's battery is dead. Sentry Safe Battery Replacement Guide • Battery Replacement Guide • Learn how to easily replace the battery in your digital Sentry safe with this step-by-ste. If your 4-AA-battery pack is dead inside your Sentry safe, you could use a 9volt battery to open it from outside. This is a backup method that allows you to access your safe using a key. first locate the battery compartment on the bottom of the keypad. indigenous group tecumseh nyt Unlocking a Sentry Safe with Dead Batteries • Safe Battery Solutions • Learn how to open a Sentry safe when the battery dies by replacing dead batteries, usi. Getting started Thank you for purchasing a SentrySafe Product. SentrySafe digital safes provide personalized security and protection. Owner at Winston Electronics The battery is dead in my safe and it is lockt how do I get it open SENTRY a38603 Shaheen. … Rated 5 out of 5 by Office Depot from Strong safe and it Good safe for me Your safe good for the stuff i have in my safe and think about buy one more. #sentrysafe #sentrysafehack In any model of Sentry safe, changing the battery is very easy. Request a key replacement and a combination recovery for your SentrySafe product with our quick-and-easy replacement and recovery process. For most SentrySafe models, we recommend the following: Refrain from using rechargeable or Non-Alkaline batteries. SentrySafe is committed to providing you the support you need. The batteries were dead. Plug in the 9-volt battery and enter your password on. When the lock power fails due to dead batteries, the codes will be preserved for approximately 3 hours, after that time the pass codes will be lost and will need to be reset. Is there any way to open? T 6. Find My Product Manual. 5,123 Satisfied Customers. Download a copy of the SentrySafe X075 product manual. Find My Product Manual. If you've been thinking about installing a mobile security tool for your Android phone or tablet but you're worried about the impact it may have on your battery, the folks at AV-Co. All batteries have expiration dates on them. How long have you been dealing with this? Just today. The good thing is that the manual is still available to review. Dec 4, 2022 · Your Sentry Safe is a great way to keep some of your most important belongings, or even a gun, safe from all sorts of conditions. Is there any way to open a sentry safe that has dead batteries? Dont know modeel but its at least 12yrs old 102017 Engineer The battery is dead in my safe and it is lockt how do I get it open SENTRY a38603 Shaheen. onelife fitness can you bring a guest Jan 23, 2022 · Do you know how to change the battery of your sentry safe? We will guide you through the process of changing the battery of various models! Sep 20, 2014 · If your safe battery is low, the latch mechanism won't open even if the code is correct and shows a green light. This should open the safe. Mode de temporisation: Le témoin clignote en rouge trois fois SENTRY SAFE MODEL S3877 NEEDS BATTERY REPLACEMENT HOW DO I GET IT. However, what happens if you find yourself locked out of your safe? Don’t panic To reset the combination on a Sentry safe, open the door of the safe, delete the existing codes, press the PROG or P key and enter the factory code. I have to get my passport out by tomorrow morning How do I open it with a dead battery? Contractor's Assistant: I'll do all I can to help. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. To use this method, you will need to locate the keyhole on the front of your safe. As there become lots different our of Sentry lockers, required every other model, there is a different method of changing batteries. Customer: lost key and battery died Technician's Assistant: Is your DVR connected to a surge protector or power strip? Customer: I don't know what you mean by DVR. It is big enough to store your valuables, including money and jewelry. I have a Sentry safe, model # XO75, serial number X075AC0442003993 and I have lost the keys and the battery is dead to open it up. For different types of Sentry safe, sometimes only the Sentry safe reset code is not enough. My sentry safe's battery is dead. With dimensions of 551 millimeters in width, 502 millimeters in depth, and 704 millimeters in height, it offers ample space for storing valuable items. 5,114 Satisfied Customers. Chief Technical Officer for 2+ years. First, locate the override key provided with the safe and use it to manually unlock the safe. Sentry Safe is one of the most well-known manufacturers of safes that has established itself for over 90 years. motor vehicle bronx appointment Safe with batteries behind the keypad. How to change battery in a Sentry gun safe? To change the battery in a Sentry gun safe, you will need to locate the battery compartment on the inside of the door. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. First, locate the override key provided with the safe and use it to manually unlock the safe. Having your Sentry Safe not open with the key can be stressful, but understanding the root cause is half the battle. just trying to unlock with code. Never throw out the wrong battery again. Opening An Electronic Safe With Override Key Battery-Powered Keypad. Change the Battery for new one i cant open. Unlocking a Sentry Safe with Dead Batteries • Safe Battery Solutions • Learn how to open a Sentry safe when the battery dies by replacing dead batteries, usi. This video explains how. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Understanding Your Safe's Locking Mechanism. For added security, this safe also offers 60% bigger bolts than traditional safes and a pry-resistant door hinge Digital Lock.
Post Opinion
Like
What Girls & Guys Said
Opinion
10Opinion
When the lock power fails due to dead batteries, the codes will be preserved for approximately 3 hours, after that time the pass codes will be lost and will need to be reset. I would replace the battery13 Tyler McLain. I figured out this neat trick with a magnet. 2012-03-21T00:00:00 Tech Specialist I think the battery is dead. If your 4-AA-battery pack is dead inside your Sentry safe, you could use a 9volt battery to open it from outside. Begin by preparing a clean, dry cloth to wipe any dust or debris from the battery. Electronics Engineer. One of the reasons why your Sentry fire safe won't open is because it either does not contain any batteries, or if it does, the battery is no good—dead or not charged. The nine-volt battery in your safe's electronic lock should normally last between 8,000 to 10,000 openings. Slide it out to the right and fit four new AAA batteries Customer: I have a sentry safe # XXXXX the battery is dead, and I need to know how I can get access to replace the battery. If you updated to the Android 10 beta build and find your device. You can change the battery on an electronic lock quite easily by opening the front of the locking keypad and sliding out the battery compartment. Discover how to fix jammed bolts, replace dead batteries, and more. My safe's actuator was trying to work All, lots of good comments here Customer: My sentry safe battery is dead and I lost the key. When it comes to securing your valuable possessions, a Sentry Safe is a reliable choice. hindu temple in hicksville Another symptom of a bad stator is if the. Once you enter the correct code, then the light above the keypad will turn green. The fireproof construction provides peace of mind, knowing that your important documents and precious items are protected in the event of a fire. Electronics Engineer. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. My Sentry Safe has a dead battery and I can not enter the password code to open the safe. Description Description Low battery notice: When the battery power gets low, the message "Batteries Low Replace Soon" will appear with each activation of the lock. Jun 12, 2021 · Sentry Safe Won't Open? Our guide offers easy, do-it-yourself solutions to common Sentry Safe problems. If left alone too long without power to run its lock mechanism, it will become useless and need a hefty repair bill in addition to the replacement cost of a new one. SKU: SENTRYSAFEA3821UM Category: User Guides Brand: SentrySafe. Solution: Replace the Sentry safe batteries with fresh batteries. We have GV8528 Sentry safe. Enter your model number below to locate and download a copy of your product manual. Find My Product Manual. 1 Open the silicone cap found on the side of the lock. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. Rated 1 out of 5 by AmazonT6331 from Poor battery spring equipment installed initially Previously, I owned a Sentry Safe for many, many years and never had a problem. SentrySafe DS3607; Random Discussions Do I program a code into a sentry safe battery operated lock box. 495 Satisfied Customers. The keypad of my safe is dead and i need to open my safe could you please explain exactly how to do the angle metal piece metod. kaiser pharmacy playa vista Download a copy of the SentrySafe FHW40300 product manual. If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. SKU: SENTRYSAFES3803UM Category: User Guides Brand: SentrySafe. The safe is locked and the batteries died. When the batteries are dead, they won't be able to activate after you put in your code. Charge time for a dead battery can take up to 12 hours or longer. so I can put in my numbers. Improper battery disposal can have detrimental effe. A blockbuster holiday A blockbuster holiday Part ritual, part fiesta, the Day of the Dead is the Mexican version of All Souls and All Saints days, observed on Nov If you experience frequent problems starting your four wheel drive Honda 300 all terrain vehicle (ATV), consider testing the stator coil. All batteries have expiration dates on them. Enter your model number below to locate and download a copy of your product manual. Its a 14 gun capacity. as the title says. The "dead folder" is a physical or digital folder that an individual or family keeps that contains important information that will be needed in the event that someone dies Dealing with dead grass in your yard? This step-by-step guide gives you the best tips on how to revive dead grass. Submitted: 8 years ago. Category: Appliance. Look for a battery compartment on the safe's exterior and replace the old batteries with new ones following the manufacturer's instructions Use a Replacement Battery. Replacing your Sentry Safe key is not as difficult as you might imagine when you’re sure of the steps to take to get started. siesta key beachcam Simply insert the new battery, and then test your. My Fire Safe will not open. Advertisement We live in an old Ne. Is there any way to open a sentry safe that has dead batteries? Dont know modeel but its at least 12yrs old 102017 Engineer The battery is dead in my safe and it is lockt how do I get it open SENTRY a38603 Shaheen. Advanced locking technology, compression gas struts and interior lighting features offer discreet access to your handguns when you. If left alone too long without power to run its lock mechanism, it will become useless and need a hefty repair bill in addition to the replacement cost of a new one. Customer: How can we open a Sentry Model TC8-331, SN E245062 with a low battery, we know the correct code to enter, but will not open, purchased Sams Club 1/12/06 Technician's Assistant: The Expert will know what to do. These more expensive safes typically have batteries hidden behind their keypads. Sir: we have a small Sentry Safe with the number A3760 and BD735231on the side, the battery seems to be dead, therefor the key will not let the handle turn because the keypad can not accept password. Newer Sentry Safes come with electronic locks which are powered by batteries. See 3,000+ New Gun Deals HERE. I haven't opened it for some time and the battery seems to have died I reposted this video from my Vimeo channel (January 8, 2019). I am By chatting and providing personal info, you understand and agree to our. New subscribers get 10% off your next purchase on the SentrySafe store. Charge time for a dead battery can take up to 12 hours or longer. If the design featured in this video does not match your model,. Could you provide the model of your Sentry safe? FIVE different easy methods to crack into a cheap Sandleford safe found in the dumpster, WITHOUT using physical force. Check each product page for other buying options. Jun 12, 2021 · Sentry Safe Won't Open? Our guide offers easy, do-it-yourself solutions to common Sentry Safe problems. When the batteries are dead, they won't be able to activate after you put in your code. Access owner manuals, videos and contact information for further assistance. Customer: Sir: we have a small Sentry Safe with the number A3760 and BD735231on the side, the battery seems to be dead, therefor the key will not let the handle turn because the keypad can not accept password.
Whether it's a battery issue, a damaged lock, or. Can I open a gun safe with a dead battery? Yes, you can. Many 2020 onwards Sentry fire safes have a battery drawer in the side of the keypad as shown. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. 15,060 Satisfied Customers. If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. filbert st philadelphia pa I would replace the battery13 Tyler McLain. Usually, models with A3, A4, A5; J3, J4, J5; S0, S3, SB, L0 have their battery below the keypad. I want to change the battery on my Sentry safe. Linux System Administrator at Alku. Once you enter the correct code, then the light above the keypad will turn green. user operations associate yelp Step 1: Confirm that the Batteries are Indeed Dead. This safe has a Battery Auxiliary Override. If you're not sure how to know, many digital safes give you a heads-up before the batteries stop working. If the design featured in this video does not match your model,. accident in pa turnpike 5,432 Satisfied Customers. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. 7,744 satisfied customers. … Rated 5 out of 5 by Office Depot from Strong safe and it Good safe for me Your safe good for the stuff i have in my safe and think about buy one more. Find My Product Manual. Download PDF user manual for Master Lock / Sentry S3877 Electronic Safe (EN|ES|FR) 13 pages 513023 2008 zip. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. Find My Product Manual.
Linux System Administrator at Alku. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. If left alone too long without power to run its lock mechanism, it will become useless and need a hefty repair bill in addition to the replacement cost of a new one. This battery-powered digital locking system uses a programmable 1-8 digit code Download a copy of the SentrySafe T6-331 product manual. All batteries have expiration dates on them. The first thing you’ll need to check is what model safe you have. Insert a 9 volt battery into slot. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. To access the SentrySafe X105 when the batteries are dead and you cannot find the override key, follow these steps: 1. Just purchased this sentry safe from my local Home Depot. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. I change the batteries each 6 months to a year. I have a Sentry safe, model # XO75, serial number X075AC0442003993 and I have lost the keys and the battery is dead to open it up. You need to get a functional screwdriver or a knife for this procedure Step 1: Take a screwdriver and put its pointed tip on the lock of the sentry safe bypass code. that seams to wock the green light come on to drop the lever but it won't move can you help me. To troubleshoot if the batteries in your Sentry T0-331 safe are not working, follow these steps: 1. Insert a 9 volt battery into slot. Slide open the battery cover and remove the old batteries Customer: dead battery in safe how to replace Technician's Assistant: What's the make/model of your device? How old is it? Customer: sentry s 3517 Technician's Assistant: How long has this been going on? What troubleshooting have you tried? Customer: several months. craigslist jobs san diego Advertisement On July. The first thing you’ll need to check is what model safe you have. It's one of those big ass microwave shaped ones. It simply means that you do not need to add water to it on a re. One of the common sentry safe problems is having a dead battery. 2023-11-13T00:00:00 Tech Specialist. Enter your model number below to locate and download a copy of your product manual. In those situations, you have to advance on a case-by-case basis. Simply insert the new battery, and then test your. The first thing you’ll need to check is what model safe you have. Some recent research has revealed that the printer is not as obsolete as one might have imagined, especially considering the digitization of so many business processes Amara Raja Batteries News: This is the News-site for the company Amara Raja Batteries on Markets Insider Indices Commodities Currencies Stocks The Chrysler 300 is a luxury style sedan designed for cruising in comfort. Rated 2 out of 5 by MagicalUnicorn from False Sense of Security It's a nice safe, but let's call it what it really is: a false sense of security. Here are some steps you can follow: Check for a small square plastic cap next to the touchpad on the safe. My Sentry Safe has a dead battery and I can not enter the password code to open the safe. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. With opening is not a dial have a board whit numbers21 Electronics Man 7,432 Satisfied Customers. Find My Product Manual. Newer Sentry Safes come with electronic locks which are powered by batteries. Unlocking a Sentry Safe with Dead Batteries • Safe Battery Solutions • Learn how to open a Sentry safe when the battery dies by replacing dead batteries, usi. no light on battery Technician's Assistant: Anything else you want the electronics expert to. Step by Step instructions for how to jump a safe and change batteries on your Sentry®Safe touch screen fire safe. Check the batteries: If the key lock is not working, it could be due to low battery power. Use quality name brand batteries. fox sports one fios If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. Dec 18, 2023 · If your Sentry Safe’s battery is dead and you can’t access it with the digital lock, you can use the battery auxiliary override. Locate the battery cover: Open the safe door and locate the battery cover on the inside back of the door Remove the battery cover: Slide the battery cover to the right to remove it from the safe door If your Stack-On safe has a dead battery, there are still ways to open it. If your Sentry safe is battery operated, a dead battery or mismatched battery can be a reason for the Sentry safe won’t close problem. Preserving user code: When the lock power fails due to dead batteries, the codes will be preserved for approximately 3 hours, after that time the pass codes will be lost and will need to be reset. Apr 6, 2017 · Step by Step instructions for how to change or install new batteries on your Sentry®Safe basic electonic keypad fire safe. SKU: SENTRYSAFES3517UM Category: User Guides Brand: SentrySafe. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. Jun 12, 2021 · Sentry Safe Won't Open? Our guide offers easy, do-it-yourself solutions to common Sentry Safe problems. To get a replacement key, an. Safe still has the manufactures given combination numbers setting, can not use without the keypad working. Insert the key and turn it to the right to unlock the safe. Push the number keys on your safe in order to unlock your safe. The safe is in lockout mode, or the time delay is active. Identifying the root cause is your first step toward a resolution. For most SentrySafe models, we recommend the following: Refrain from using rechargeable or Non-Alkaline batteries. Plug that in then type in your password ***** numbers, you will be able to. When your batteries are running low, or die, you need to replace them right away, Make sure you use brand-new alkaline batteries. One of the common sentry safe problems is having a dead battery.