Conservatory door lock not working

Question

A lock from a door in my conservatory that leads out into the garden seems to be malfunctioning. The key is turning but it won’t lock. Why is this happening? How do I fix it? If I hire a locksmith, how long might the work take altogether?

Patrick · Accepted Answer

There could be one of a number of issues - the lock itself, the handle or the gearbox. How long it takes then depends on each individual issue.

Shane · Answer

First thing try and lube the lock and mechanism with WD40 and work the key with the door open to see if the latches are moving up an down an also look to see when you are turning the key if the mechanism of the lock is operating if no singe of movement then it could be one of two things your key barrel lever arm is broken or your mechanism has failed and will need replacing

Antony · Answer

Hi, a locksmith will need to call out to provide a timescale and cost

Adam · Answer

It should be a simple solution for a locksmith.
If you try this...
Open the door
Lift the handle and turn the key. If this works whilst open, we know its a simple alignment issue you have.
A locksmith should be able to sort that easily within the hour

Sean · Answer

Call a locksmith. It will take about an hour. 
We will remove the multipoint locking system and then check if the gearbox needs a new one .

Shayne · Answer

Hi Carol it may be that you just need a new lock,!! The cam inside may have snapped due to use, Aldo this could maybe a mechanism problem which is the full strip down the middle of the door, this work on average can take upto a half a hour but a lock change can Take 10 mins cheers

Oleksandr · Answer

Hello, this is gearbox failure.
There is small chance it’s cylinder, then not expensive cost to repair.
Gearbox needs to be identified first. 
8 out of 10 jobs can be done in one visit. But there is possibility locksmith not having this type of gearbox in stock. Then have to order and revisit!

John · Answer

You may need a new lock if it is a multipoint lock it may be possible to change the centre lock sometimes you cannot change that centre lock which means you may need a full multipoint lock

Jason · Answer

Hi

Firstly you need to Identify the type of lock you have (do you have to lift the handle to turn key and lock usually plastic doors).

Secondly find out if its an alignment issue or if the lock has failed completely. This can be tested by repeating the locking process with the door in the open position. If it "locks" smoothly then the door is likely to require adjustment via hindges. If the lock doesn't move bolts smoothly with the door open then its likely to be a faulty lock. Locks can vary alot in price so identification will be needed and potentially replacement ordered if its not standard.

I hope this helps.

Muhammad · Answer

If the key is turning and the door isn’t unlocking your locking system has failed this will need a locksmith to get the door open & the gear box to be replaced...it should take an hour if the locksmith has all the parts on the van

Conservatory door lock not working

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