Gunta Purina
Google review, June 2025
Very efficient and professional. I had a fire alarm system fitted at my property in South Manchester. The engineers arrived on time, worked cleanly, and got everything done in a day…
Intruder alarm repair
Repair and servicing for intruder alarm systems: diagnosing what has gone wrong, repairing it, and keeping the system in working order.
Nothing is repaired until you have agreed the quote.

Overview
Intruder alarm repair is finding out why an alarm system isn't working as it should and putting it right. Servicing is the planned side: having the system looked over so problems are found before they leave you unprotected.
An alarm fault can show up in one place and start in another, so an engineer looks at the system before recommending any repair. Whether you need intruder alarm servicing to have a system looked over, burglar alarm repair after something stops working, or alarm maintenance on a planned basis, what that involves, and the cost, is agreed with you first.
Faults
These are the areas an engineer looks at when an alarm develops a problem.
Detectors and sensors that aren't picking up, or are reporting when there's nothing there.
You might notice: Alarms with no clear cause, or movement that goes unnoticed.
The panel that controls the system and reports on its condition.
You might notice: A panel that is slow to respond or reports something you don't recognise.
Problems with the power supply to the system.
You might notice: A system that won't stay on or reports a power problem.
General faults where the system isn't behaving as it should and the cause isn't obvious.
You might notice: An alarm that acts differently from how it used to.






The visit
From reporting the problem to the alarm working again.
What the alarm is doing, and when it started.
An engineer looks at the alarm system you have.
Finding out what is causing the problem.
What needs repairing or replacing, agreed with you in a written quote.
The agreed repair or servicing is done.
We test the alarm, then explain what we found and what we did.
Decide
Only a look at the system settles which is right. These are the general signs.
The faultLimited to one part of the system
The rest of the systemWorking as expected
PartsStill available for your equipment
The faultKeeps returning or is hard to trace
The rest of the systemNo longer does what you need
PartsNo longer available
Servicing
Servicing is about finding problems before they matter.
The system is looked over on a planned visit rather than only when something goes wrong.
The parts most likely to cause a problem are checked.
If something stops working, an engineer can come and assess it, then confirm what is needed.
Before you agree
A clear picture of the problem makes a repair quote easier to judge.
Cost
What an alarm repair costs follows from what is wrong with it, which is why we don't quote a figure before an engineer has looked. Once the cause is known, you get the price in writing.
The cause of the fault
Parts
Size of the system
Diagnosis
Written quote
Local pages
Where a local repair page exists, you'll find it here.
Our Manchester intruder alarm repair and servicing service.
Google reviews
5.0from 13 reviews on Google
Read all reviews on Google (opens in a new tab)Gunta Purina
Google review, June 2025
Very efficient and professional. I had a fire alarm system fitted at my property in South Manchester. The engineers arrived on time, worked cleanly, and got everything done in a day…
Stephen Henn
Google review, September 2026
Reasonable price
Professional and knowledgeable and helpful
Gargeshs Saleh
Google review, September 2026
Professionally done. Highly recommend. Thanks
Carl Smith
Google review, June 2026
Always great support from Francis and really helpful.
Help & FAQs
Diagnosing the fault, a written quote for the repair, the repair or servicing work, and testing the alarm afterwards.
An engineer looks at your alarm system, works out what is causing the problem and explains what needs doing. The repair is quoted in writing first, and only goes ahead once you agree.
Manchester and Greater Manchester. For anywhere else, ask us: we'll say whether we can attend.
In many cases, yes. An engineer assesses your existing system first, then confirms what can be repaired.
We test the alarm, then explain what we found and what we did.
Yes. Planned servicing is available as well as one-off repairs. Tell us about your system and we'll suggest what fits.

Get started
Say what the alarm is doing and an engineer will come and look at it, with the repair confirmed in a written quote.