If you do want to attempt to fix this issue yourself, you can try using powdered graphite or a graphite spray. Coat your key in graphite and insert it into the keyhole. The graphite will act as a lubricant to help unjam lock tumblers that may have become clogged with debris over time.
To fix a stuck key, apply a lubricant such as graphite powder or a silicone-based spray to the keyhole. Gently wiggle the key while pulling it out. If this doesn't work, use a pair of needle-nose pliers to grip the key and carefully work it out.
Door lock problems are often caused by a malfunctioning lock mechanism or latch assembly, but there are several common reasons why locks stop working: The lock is dry or dirty. It doesn't fit in the door properly. The latch and strike plate don't align.
A certified locksmith can open up the lock and repair the severed connection so the padlock can work again. However, if you're in a hurry and you don't want your padlock to be repaired, you can always opt-in to cut the lock. There's no other way to access it and for that, you will still need a locksmith.
Coat your key in graphite and insert it into the keyhole. The graphite will act as a lubricant to help unjam lock tumblers that may have become clogged with debris over time.
Move the shackle from side to side and up and down to see if you can loosen it, then try to release the shackle again. Push down on the shackle and up on the bottom of the lockbox, as if you were trying to close the shackle, and, while keeping the pressure on, try to release the shackle again.
If you have a stuck door lock, spray lubricant into the lock's keyhole. Doing so will loosen any debris or deposits sitting inside your stuck lock and prevent your key from turning. Insert the key and rotate it a few times to work in the lubricant, releasing the stuck part.
This usually indicates that the multipoint locking mechanism (MPL) has completely failed. It could also mean that a component of the MPL such as a security bolt or a hook has jammed but this is less common.
Use a can of compressed air or a small brush to clean the keyhole thoroughly. Lubricate the lock: Sticky locks are often due to a lack of lubrication. Apply a graphite-based or silicone-based lubricant specifically designed for locks. Avoid using oil-based lubricants as they can attract more dust and grime.
What's the best lubricant for your lock? When choosing the best product to lubricate locks, dry lubricants like graphite powder and PTFE lubricants are best. As mentioned above, oil-based products can attract dust and dirt which can damage the delicate internal mechanism of your lock.
Lubrication: A common cause of jammed locks is lack of lubrication. Applying a silicone-based lubricant or graphite powder can help. Avoid oil-based products as these can attract dirt. Spray or insert the lubricant into the keyhole and gently work the key in and out a few times to distribute the lubricant.
This is typically a small button or hole on the side or bottom of the lock. If your lock has a reset button, press and hold it down. For locks with a reset slot, insert the reset tool provided with the lock. While holding the reset button or tool, set your new combination by turning the dials to your desired numbers.
If the latch won't retract by use of the knob or handle either, then you should check the spindle and the latch mechanism to make sure they are still connected correctly. If neither of these will close the latch, then it is either broken or damaged. Examine the condition of the latch for any obvious defects.
You can try lubricating the lock with graphite spray or silicone based lubricant as mentioned above. If this doesn't help it could be that there is a misalignment of the lock and door (similar to UPVC problem above) or there could be a problem with the lock cylinder.
Apply a lubricant to sticky hinges.
WD-40 or another silicone-based lubricant (or even wax) can help fix a sticking door by reducing friction. However, be sure to wipe off any excess lubricant, as too much can actually make the problem worse.
A broken hinge or a stripped screw hole can cause a stuck door in the frame, especially if the hinges are noticeably loose.
Dirt and grime can build up and stop your locker from opening. The best lubricant to use to help turn the lock is powdered graphite lubricant, apply some graphite in the lock's opening, then put your key in. Turn the key a few times to work in the lubricant and see if it allows you to open the door.