Garage door won't close light blinks - In conclusion, encountering the issue of a Liftmaster garage door opener that opens but does not close is a common challenge, but it’s one that can be addressed with the right knowledge and steps. By following the troubleshooting guide provided in this article, you can regain control over your garage door’s functionality and enjoy seamless ...

 
When the garage door does not close, and the lights flashes, it means the problem is with the safety sensor. There are a few things which can cause this. With the diagnostic …. 69069

When you see your garage door opener lights flashing and the garage door will not close, it could be the safety reversing sensors or the LOCK button.; If there is a safety reversing sensor issue, the main light(s) flash 10 times. Start with …The chart below is a quick reference on what your garage door opener’s blinks mean: A safety sensor wire may be open, broken, or disconnected. A sensor wire is either shorted, or the wires could be reversed. The door control or wire is shorted. The safety sensors are misaligned, which breaks the electronic beam, preventing the garage door ...Locate the ‘Learn’ or ‘Smart’ button on your garage door opener. This button is usually found on the back or side of the motor unit. Press and hold down the ‘Learn’ or ‘Smart’ button for approximately 10-15 seconds. Release the button once the indicator light on the garage door opener starts flashing.Step 1: Manually test your door. The first step is to check if there is anything wrong with the door or the track itself. Use the manual disconnect on the Chamberlain opener and open and close the door using the handles. The door should glide smoothly, and you shouldn’t feel it catch or get stuck at any point.If the opener doesn’t detect the safety sensors the lights will flash and the doors won’t close. The sensors need to be inspected, a wire may have come loose or it could be that the sensors need to be replaced. If you can’t get a garage door technician out immediately, you may want to turn the power to the opener off.Here’s what to look for: One flash indicates that your safety sensor wire may be open, broken or disconnected. Two flashes indicate that your sensor wire is either shorted or the black and white wires could be reversed. In both cases, your safety eyes will not glow steadily. You should inspect the wiring for any staples or incorrect wiring.Step 1. Test the power outlet. Unplug the opener from the outlet. Take a cellphone charger, plug your phone in, and plug it into the outlet to your garage door opener was connected. If the charger works, move to step 2. When there is no power in the garage door opener, check the breaker box.If your Chamberlain garage door opener doesn't want to close, and the light clicks 10 times, check this common problem. It's more than likely a safety sensor... Door/Opener Behaviors: Garage door does not move, remains at open or close position. Symptoms/Resolution: Garage door opener will not close or open from an unattended command Remote light not installed/programmed to garage door opener: Install and program the remote light to the garage door opener. When it comes to maintaining your garage door, one component that often requires attention is the spring. Garage door springs play a crucial role in balancing the weight of the doo...Jul 20, 2021 ... Garage door not closing. Door not opening. Door Stuck. If you're here to just grab a part number, please thumbs up the video first.Problem #13 – Improper Sensitivity or Limit Settings. Many of the settings for your garage door opener can be adjusted, and problems in these settings may cause the door to have issues closing. The sensitivity and limit settings can both be incorrectly set, especially after installing an opener yourself.Step 4: Check the Limit Switch. The limit switch tells the garage door opener when the door is fully open or closed. If the limit switch is not working properly, the status light will blink. To check the limit switch, follow these steps: Using the user manual, locate the limit switch on the garage door opener. It is usually a small, rectangular ...Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.Jul 20, 2021 ... Garage door not closing. Door not opening. Door Stuck. If you're here to just grab a part number, please thumbs up the video first.The Genie Excelerator® Series screw drive garage door openers have a status light on the powerhead that will blink if an issue arises that helps diagnose the issue. This diagnostic light is on Excelerator models: H8000, H8000-07, H8000D, ISD990, ISD995, ISD1000, PRO99, PRO99-21C, PRO99FN, and CMD9900. The status LED indicator light is …There is nothing more frustrating than when your garage door won’t close. If you have to press and hold the inside wall button to close the garage door, your safety sensors are misaligned or they may need to be replaced. ... If the light bulb blinks ten times on your garage door opener, you most likely have a Chamberlain, LiftMaster, or ...The chart below is a quick reference on what your garage door opener’s blinks mean: A safety sensor wire may be open, broken, or disconnected. A sensor wire is either shorted, or the wires could be reversed. The door control or wire is shorted. The safety sensors are misaligned, which breaks the electronic beam, preventing the garage door ...When these sensors are misaligned, the opener’s light may flash twice to indicate an issue. Solution: Check the alignment of the safety sensors. Ensure they are facing each other and are free from obstructions. Make necessary adjustments until the light stops flashing. **2. Obstruction in the Door’s Path:So your garage door won’t close and the lights keep blinking. Find out how to solve this issue and get the door shut, thanks to the three steps in this article. If your garage door opener won’t close and the lights blink, do the following: Unblock the sensors; Realign the sensors until the green light comes onDefective safety sensors or faulty sensor wiring also cause the opener lights to blink 10 times. The safety sensors use an invisible beam of infrared light to detect obstructions in the garage door's path. The sensors won't allow the door to close with their infrared beam blocked. First, look for an item blocking the door and remove it.First, disconnect the garage door opener from the door. Manually open the garage door to its fully open position. Take note of the location where the garage door is fully opened. Reconnect the garage door to the opener. Adjust the open travel adjustment and then open the door with the remote.1. The Marantec Garage Door Openers Remote Opens But Won’t Close. One of the most common issues that homeowners experience with Marantec garage door openers is a problem with the remote control. If your remote control is not responding or the remote opens but won’t close the door or vice versa, there are a few things you can do to … Power Up. The first thing you want to do if your garage door opener is unresponsive, is to check that it’s receiving power. Have a look at the LED lights on the motor unit, safety sensors, and wall panel to see if they’re powered up. If not, unplug the motor and check your circuit breaker – if it blew a fuse, flip the switch and plug the ... Ensure that there are no obstructions blocking the sensor’s line of sight. Dust or debris accumulation can also hinder proper sensor function, contributing to the blinking red light. Clean the sensors and clear any obstructions to restore normal operation. 2. Power Source Check and Electrical Inspection.Are you looking for a reliable and secure way to open and close your garage door? Look no further than Chamberlain garage door openers. With their advanced technology, Chamberlain ...Flashing garage door lights are like a "Check Engine Light" & will indicate which part needs to be addressed / fixed!Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.Finally, you may need to reprogram the remote. 8. Enabled disconnect switch. If the garage door motor starts running, but your door doesn’t close, the disconnect switch is probably enabled. That switch always comes with the garage door opener to allow closing the door manually in case there is no power.Step 1: Checking the Power Source. The first step is to check the power supply to the garage door opener. Ensure that the power source is properly connected and there are no disruptions to the electricity flow to the garage door opener. See also A Comprehensive Guide on How To Fix Garage Door Spring Cable Issues: Mastering …Nov 21, 2018 · Is your garage door opener blinking? Check out this simple video about how to fix this issue. The solution might be simpler than you think. Can't figure out ... The opener will flash 9 times if this is the case. If you suspect this has happened call B&D to arrange a service. Our friendly team can talk you through securing your garage door until a professional service technician can be sent out to you. If your garage door opener is still beeping or flashing, call us on 13 62 63.Don’t be alarmed if your garage door won’t close and your garage door sensor is flashing yellow; this is a very common problem. Fortunately, there is a simple solution that should only take a minute or two. ... If the problem persists and the green light blinks while the yellow light remains illuminated, you should seek alternative ...To fix the issue, replace the batteries. Here’s how: Open the lid where the batteries are inserted into the keypad. Pull out your old garage door batteries. See the make and model of the old batteries and purchase new ones (of a similar make) from any nearby store. These are usually either AA batteries or a single 9-volt.Craftsman 41AC150-1M, 1/2 HP chain drive. Opens OK but when closing it will go some random distance then the light will go off for a split second and power to the chain drive will be cut. The door may coast about an inch at this point or maybe not. No retraction. After the flicker the light stays on.To do so, grab your garage door opener remote and press the control button. Observe the response of the garage door opener unit and pay close attention to the behavior of the light indicator. If the blinking light issue persists despite unlocking the lock button, it suggests that the problem lies elsewhere within the system, necessitating ...This video demonstrates what to do if your garage door won't close and the lights on the Chamberlain garage door opener are flashing. Additional Resources:Te...Remove the bell wire from the door control terminals and operate from the remote control only. If this solves the problem, the door control is faulty (rcplace), or there is an intermittent short on the wire between the door control and the opener. 3. Clear memory and reprogram all remote controls.Remove the bell wire from the door control terminals and operate from the remote control only. If this solves the problem, the door control is faulty (rcplace), or there is an intermittent short on the wire between the door control and the opener. 3. Clear memory and reprogram all remote controls.Common Reasons for Door Closure Issues. 1. Door Binding or Sticking. One of the most common issues leading to a garage door not closing fully is when the door binds or sticks during its operation. This can occur due to several factors, including the presence of debris on the tracks or misalignment.How to realign misaligned safety sensors. If the green light is off, follow these steps to realign the misaligned safety sensors. Step 1. Use a measuring tape or ruler to measure the distance of the sensors from …To fix this issue, try moving any obstructions out of the way of the sensors. If there’s something too heavy to move, try covering the sensor with cardboard or similar material until you can remove the blockage. Just remove the cover once you’re done to avoid any long-term problems. 3. Dirty Lens.Clear the Way. Clutter or obstructions that block the sensor are the first problems to look for if your door won’t close or, in extreme cases, open at all. First, check the sensor lights ...If your garage door randomly doesn't close and the light blinks, you may have a failing sensor.Amazon USA: http://amzn.to/2AKN1MFAmazon Canada: http://amzn...Dec 2, 2022 · How to realign misaligned safety sensors. If the green light is off, follow these steps to realign the misaligned safety sensors. Step 1. Use a measuring tape or ruler to measure the distance of the sensors from the ground. Each sensor should be six inches from the ground. How to Align the Sensors. Loosen the wing nut on the green LED (receiving sensor). Adjust the sensor until the green LED is glowing steady and tighten the wing nut. If the green LED is still blinking then perform the same procedure on the amber LED (sending sensor). Use the remote control to close the garage door. Step 3: Check the Door’s Balance. Step three is about checking the door’s balance. If the door is off balance, it can put extra stress on the opener and make it wear out faster. To check the balance, disconnect the opener and try lifting the door halfway up by hand. If the door stays put, it’s balanced. My liftmaster garage door led light blinks twice whenever I try to open/close through the wall mounted control.Neither the remote or myQ app works. I can only open and close it manually. Any help to fix is highly appreciated Share Add a CommentThis can usually be done by adjusting the mounting brackets or repositioning the sensors. Another possible cause of a garage door light that blinks 10 times is a problem with the wiring or connection between the sensors and the garage door opener. If the wiring is damaged or the connection is loose, the sensors will not be able to …Refer to your garage door opener’s manual for instructions on accessing the limit switch. Adjust the settings according to the manufacturer’s guidelines. Test the door to see if the issue persists. 3. Clearing Obstructions. Inspect the area around the garage door for any objects or debris. Remove any items that might be blocking the …Step 2 - Reset the System. This seems to be the first step with anything electronic. Each model is a bit different, but resetting the system could solve the problem. This is typically done using a reset switch located on the garage door opener unit. Look on the side of the unit for the switch.Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener. Pull the emergency door release and check the up-and-down travel of the garage door for binding. Repair the garage door if it doesn't travel smoothly. If it overheats after a single use and the garage door travel is smooth, replace …Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.Clear the Way. Clutter or obstructions that block the sensor are the first problems to look for if your door won’t close or, in extreme cases, open at all. First, check the sensor lights ...Aug 27, 2023 · Start by locating your garage door opener to access the lock switch, most commonly located on the wall control unit. There may also be a lock switch on your garage door’s remote. Locate the lock button, usually indicated by a padlock symbol. On your garage door remote, there may be an on/off toggle switch. The LED will change to a flashing green. Green LED: The garage door opener is NOT running off battery power.A solid green LED indicates the battery is fully charged.A flashing green LED indicates the battery is …Check for obstructions. The first thing you should do is check for obstructions. Make sure the area around the door is clear of any objects that could be blocking it. If you find an obstruction, remove it and try closing the door again. Check for binding. If you don’t find any obstructions, check for binding.Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.LiftMaster 8500W Wall Mount Garage Door Opener Installation Overview. This video is intended for demonstration purposes only. ... The procedures demonstrated should only be performed by trained, professional installers and service technicians. ... Safe operation and ... Channel: LiftMaster Support Length: 21:11. Over time, the shaking from opening and closing your garage door can loosen the fasteners and lead to misalignment. Tighten these if needed. If you still experience alignment issues, you can reset the units by turning the green light away completely until it turns off. Wait for about ten seconds, then align the sensor with the sending eye. Contents. 1 Possible Causes For A Garage Door Blinking 10 Times And Not Closing. 1.1 Blocked Or Obstructed Sensor. 1.2 Faulty Sensor Alignment. 2 Troubleshooting Steps. 2.1 Check For Any Objects Blocking The Sensor’s Path. 2.2 Ensure Proper Alignment Of The Sensors. 2.3 Inspect And Clean The Sensor’s Lenses.Garage doors are available from a variety of sources. Here’s how to find a new or replacement garage door for your home or other structure. Home improvement stores sell garage door...If your Chamberlain garage door opener doesn't want to close, and the light clicks 10 times, check this common problem. It's more than likely a safety sensor...Make sure you click the Thanks button if this video helped you.. What to do if your Marantec garage door opener is just flashing slowly upon tripping the cir...Your garage door is an integral part of your home. Not only is it highly visible from outside, but it’s also the entrance you probably use most. For this reason, replacing it is on...Similar to a solid yellow or orange light, a flashing light conveys important information about the status of your garage door, depending on the make and model. It could signify connection issues, dirty sensors, interference, or faulty sensors. How to Respond Take note of the light’s color and how frequently it’s flashing.Red LED Green LED : 2 BLINKS (repeat) Possible Problem Solution Recommendation; Programming incomplete: Set UP limit: Refer to the owner's manual: Wire to power head or wire connection at power head is badThis is a video of how I fixed my problem with my garage door sensor light blinking four times basically the contacts on the other side of the red one which ...by Washim. To fix the blinking light on your Liftmaster garage door opener, simply hold down the lock button on the wall control for about two seconds to disengage the lock. If the light keeps flashing, the issue may be related to the wiring, and a maintenance check is recommended. If the light on your Liftmaster garage door opener is blinking ...Step 2 - Reset the System. This seems to be the first step with anything electronic. Each model is a bit different, but resetting the system could solve the problem. This is typically done using a reset switch located on the garage door opener unit. Look on the side of the unit for the switch.LiftMaster Garage Door Blinks 10 Times Won’t Close. When the lights on the LiftMaster garage door opener blink 10 times, the sensors are out of aligned place or that something is in the way of the sensor. The possible solutions are: Realigning the safety sensors attached to the opening-closing pathway of the garage door.2. Reset the Opener. Try resetting your Genie garage door opener by unplugging it from the power source for a few minutes, then plugging it back in. This may help reset the opener’s internal components and resolve any temporary issues causing the blinking red light. 3.Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.Common Reasons Why The Garage Door Won’t Close. From misaligned sensors to broken springs, let’s explore the common reasons why your garage door won’t close. 1. An Object is Blocking the Garage Door. When an object obstructs the sensors or the door’s travel path, the garage door opener detects the obstruction and reverses the door’s ...Learn what you should do if your garage door opener light blinks but the door won’t close. Find tips from the Chamberlain Group on how to fix your garage door. When you see your garage door opener lights flashing and the garage door will not close, it could be the …LiftMaster Garage Door Blinks 10 Times Won’t Close. When the lights on the LiftMaster garage door opener blink 10 times, the sensors are out of aligned place or that something is in the way of the sensor. The possible solutions are: Realigning the safety sensors attached to the opening-closing pathway of the garage door.Problem #13 – Improper Sensitivity or Limit Settings. Many of the settings for your garage door opener can be adjusted, and problems in these settings may cause the door to have issues closing. The sensitivity and limit settings can both be incorrectly set, especially after installing an opener yourself.Step 1: Manually test your door. The first step is to check if there is anything wrong with the door or the track itself. Use the manual disconnect on the Chamberlain opener and open and close the door using the handles. The door should glide smoothly, and you shouldn’t feel it catch or get stuck at any point.Common Causes of Liftmaster Garage Door Won’t Close Yellow Light. 1. Sensor Misalignment or Obstruction. Misaligned or obstructed safety sensors are a prevalent cause of the yellow light issue. These sensors, located near the garage door’s base, communicate with each other to ensure there are no obstructions in the door’s path.Jun 6, 2023 · Step 3: Resetting the System. If the red light continues to flash after checking for obstructions and aligning the safety sensors, try resetting the system. Start by unplugging the power cord from the outlet or turning off the circuit breaker that supplies power to the garage door opener. To stop the light from blinking and to ensure the remote is operable again, simply hold down the wall button for a few seconds until the lock is disengaged. Wiring Problems. Another reason that you might see a continuously blinking light on your garage door opener is due to issues with your wiring. Your garage door relies on the use of sensors ...When you see your garage door opener lights flashing and the garage door will not close, it could be the safety reversing sensors or the LOCK button.; If there is a safety reversing sensor issue, the main light(s) flash 10 times. Start with … If your garage door is not coming down all the way, hop up on a ladder and locate the limit adjusters on the side of the motor unit. Increase the downward limit by turning the screw clockwise. See if your door closes and adjust accordingly. If you have a garage door closing and bouncing back up, do the same as above, but in reverse – decrease ... Flashing garage door lights are like a "Check Engine Light" & will indicate which part needs to be addressed / fixed! Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced. Garage Door Opener Light Blinks but The Door Won’t Close. When you see your garage door opener lights flashing and the garage door will not close, it could be the safety reversing sensors or the LOCK button.; If there is a safety reversing sensor issue, the main light (s) flash 10 times. Start with aligning the safety sensors.Mar 4, 2023 ... ... Garage Light Bulbs: https://amzn.to/3ZC0MW2 Liftmaster Remote: https://amzn.to/3kHK8FU Universal Remote: https://amzn.to/3KSqcLc ... How to Align the Sensors. Loosen the wing nut on the green LED (receiving sensor). Adjust the sensor until the green LED is glowing steady and tighten the wing nut. If the green LED is still blinking then perform the same procedure on the amber LED (sending sensor). Use the remote control to close the garage door. For some people, the garage door is the front door of their property because they drive their vehicle into the garage and then enter the house through a side door. For others, it’s...Finally, you may need to reprogram the remote. 8. Enabled disconnect switch. If the garage door motor starts running, but your door doesn’t close, the disconnect switch is probably enabled. That switch always comes with the garage door opener to allow closing the door manually in case there is no power.Here’s what to look for: One flash indicates that your safety sensor wire may be open, broken or disconnected. Two flashes indicate that your sensor wire is either shorted or the black and white wires could be reversed. In both cases, your safety eyes will not glow steadily. You should inspect the wiring for any staples or incorrect wiring.Follow these steps to check the wiring: Disconnect the wires from the motor unit. Cut a 3-inch strand of insulated wire to use as a jumper wire and strip 1/2-inch of insulation off each end. Insert the jumper wire into the wall control terminals on the motor unit to see if the garage door moves. If the garage door works with the jumper wire ...

Learn how to troubleshoot common issues with your garage door opener and fix them yourself, such as dirty sensors, bent tracks, or dead batteries. If the light on your garage door opener blinks, it means the door is closing too fast and needs to adjust the limit screws.. Did tom kenny died

garage door won't close light blinks

Aug 31, 2021 · In the video I show you the common reasons why your garage door doesn't close and the light flashes. This can be because the safety sensors for the garage door have gone out of alignment or... Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced. Received 1 Upvote on 1 Post. The most common cause for this problem is the trolley is jammed against that bolt. The code for the 5 flashes of the LED is "RPM sensor or motor overload." Normally with a bad RPM sensor the door will move a foot or two and then reverse. What is left is your motor which very rarely is the problem.Dec 12, 2017 · 1. Broken or Misplaced Garage Door Cables. A cable that is broken or off the pulley will cause the tension from the torsion spring to affect only one side of the door. As a result, the door will appear crooked and will not close. Inspect the pulleys and door cables for breakage. If the cable is broken or frayed, replace it with a new one. A garage door opener is a convenient way to open your garage door. At times the garage door opener can malfunction and the garage door will not open or close. The opener can self diagnose any issues. It informs you of an issue by flashing the diagnostic LED light a certain amount of times.Order replacement parts for the Overhead Door Odyssey 1000 garage door opener. Remote Control Keyless Entry Wall Console. Circuit Board Safety Sensor Owner's Manual. For technical support it is recommended to contact your local Overhead Door distributor by calling 1-800-929-3667.If your Chamberlain garage door opener doesn't want to close, and the light clicks 10 times, check this common problem. It's more than likely a safety sensor...Nov 20, 2016 ... Garage Door Won't stay Closed ... Why Your Garage Door Won't Open or Close? A1 ... LDCO850/LDCO852 Linear Smart Garage Door Opener: 4 Operator Light ....Energizing the wire to the light merely increases the noise, masking a weak signal. The problem could be a defect in the remote (s) or a degradation of the receiver circuit or both. Here's what to do: First make sure that the remote batteries are fresh. Use a battery tester (not just a voltmeter), or just replace the battery.1. My garage door will not go down using my transmitters. I can only get the door down by holding down on the wall button. 2. The garage door closes down to the floor, hesitates …Hi. I just installed a craftsman 1/2 HP garage door opener. when I push remotes, door won't respond. Light blinks and clicks twice. ... I install a née craftsman garage door and I can't get it to close or open ...Check the following in order: Check the balance of the garage door opener Disengage the garage door from the opener.Manually lift the garage door 3 to 4 feet off the floor and release.If the garage door forcefully closes to the floor, or is difficult to manually open and close, contact a trained door technician to have the door serviced.Refer to your garage door opener’s manual for instructions on accessing the limit switch. Adjust the settings according to the manufacturer’s guidelines. Test the door to see if the issue persists. 3. Clearing Obstructions. Inspect the area around the garage door for any objects or debris. Remove any items that might be blocking the …Follow these steps to check the wiring: Disconnect the wires from the motor unit. Cut a 3-inch strand of insulated wire to use as a jumper wire and strip 1/2-inch of insulation off each end. Insert the jumper wire into the wall control terminals on the motor unit to see if the garage door moves. If the garage door works with the jumper wire ...Programming the keypad for a Craftsman garage door opener requires pressing the smart button on the back of the unit, entering a new code and pressing enter. The unit signals that ...Types of Obstruction Symptoms. If the door makes contact with an obstruction while opening, the door will stop, the opener will beep and the lights will flash five (5) times. When the door is in any position other than closed and the garage door opener is activated, the door will close. If the garage door makes contact with an obstruction while ...May 14, 2020 ... We suspect our house got hit by lightning or a power surge and knocked out this Chamberlain garage door opener (part # HD950WFi).Reset all devices. Locate the ‘Learn’ button on the motor unit. Press and hold the ‘Learn’ button for about four to six seconds or until the LED light goes off. Immediately press and hold the ‘Learn’ button again until the learn LED goes out. All the garage door opener devices reset to factory settings..

Popular Topics