Crism Knowledge Centre

Why Does My Alarm Activate in a Storm?

Crism Security | Alarms in Sheffield, Rotherham and Doncaster

This is nearly always because the Backup battery in the Intruder Alarm control panel is no longer doing its job.

All that happens in a thunderstorm is that the electrical supply to your property is interrupted for a brief second, you notice this because the lights flicker.

Your backup battery is supposed to retain power to the alarm panel in the event of a mains electrical failure so you wouldn’t notice anything out of the ordinary and the system continues to operate as normal. But if the battery can’t provide backup power then the system will revert to initial power up and then go into an internal alarm.

Not only is a thunderstorm a sign from God, it is also a sign that you need a new backup battery.

A service engineer will carry out a battery test and recommend renewal, if you battery is more than five years old then a new one is recommended.

Try turning off the mains electrical supply to your alarm panel and see what happens.

You can change the battery yourself, they are available on the net, I recommend a YUASA 12V 7Ahr, these are what we fit, but it may depend on the physical room for this size battery, you may need to use a smaller battery say a 12v 2ahr. Best thing is to look at what size of battery is in your control panel and change ‘like for like’.

Oh, and if your external sounder is totally quiet when you turn the power off to the main control panel and remove the battery backup, then the battery in the sounder is also no good, to renew this battery you need ladders, and if your external sounder is old and looking tired, then you might as well renew the complete sounder, for a nice one, that lights up at night and tells the world you have an up to date and fully operational Intruder Alarm system.

Testimonials

  • Good service and fairly priced, plus what he does works! Chris has given us expert advice on security systems and installed and maintained those systems over a number of premises.

    Rick Flay, Property and Business Investor

  • We chose Crism for our security camera because we know and trust the owner Chris Mortimer. On the day of installation the team arrived on time, consulted us where the camera and the hard drive were to be situated and then got stuck in. There was a bit of drilling to insert cables but any dust was cleaned up. The camera is not obtrusive and gives a good picture.

    We are delighted with the end result and would be very happy to recommend Crism to others who are considering making their home more secure.

    Nick & Anne Sievewright, Commercial Photographers

  • As we are expanding our business we have built a large new fitting bay to the rear of our existing property. We therefore needed a new security alarm system for this area.

    Chris at CRISM was recommended to us by our insurance agent (the best recommendation you can get really!) Chris at CRISM and his guys were fantastic, great at answering our questions and fitting our new system.

    We certainly feel safe and secure knowing that our building is protected by a first class security system. We would recommend CRISM every time.

    AP Tyres, Tyres & Wheels Rotherham

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    Testimonials

    • Good service and fairly priced, plus what he does works! Chris has given us expert advice on security systems and installed and maintained those systems over a number of premises.

      Rick Flay, Property and Business Investor

    • We chose Crism for our security camera because we know and trust the owner Chris Mortimer. On the day of installation the team arrived on time, consulted us where the camera and the hard drive were to be situated and then got stuck in. There was a bit of drilling to insert cables but any dust was cleaned up. The camera is not obtrusive and gives a good picture.

      We are delighted with the end result and would be very happy to recommend Crism to others who are considering making their home more secure.

      Nick & Anne Sievewright, Commercial Photographers

    • As we are expanding our business we have built a large new fitting bay to the rear of our existing property. We therefore needed a new security alarm system for this area.

      Chris at CRISM was recommended to us by our insurance agent (the best recommendation you can get really!) Chris at CRISM and his guys were fantastic, great at answering our questions and fitting our new system.

      We certainly feel safe and secure knowing that our building is protected by a first class security system. We would recommend CRISM every time.

      AP Tyres, Tyres & Wheels Rotherham

      Get in touch with us today for a quote on domestic security

      Request a Quote

      Testimonials

      • Good service and fairly priced, plus what he does works! Chris has given us expert advice on security systems and installed and maintained those systems over a number of premises.

        Rick Flay, Property and Business Investor

      • We chose Crism for our security camera because we know and trust the owner Chris Mortimer. On the day of installation the team arrived on time, consulted us where the camera and the hard drive were to be situated and then got stuck in. There was a bit of drilling to insert cables but any dust was cleaned up. The camera is not obtrusive and gives a good picture.

        We are delighted with the end result and would be very happy to recommend Crism to others who are considering making their home more secure.

        Nick & Anne Sievewright, Commercial Photographers

      • As we are expanding our business we have built a large new fitting bay to the rear of our existing property. We therefore needed a new security alarm system for this area.

        Chris at CRISM was recommended to us by our insurance agent (the best recommendation you can get really!) Chris at CRISM and his guys were fantastic, great at answering our questions and fitting our new system.

        We certainly feel safe and secure knowing that our building is protected by a first class security system. We would recommend CRISM every time.

        AP Tyres, Tyres & Wheels Rotherham

        Request a callback for a quote on your commercial security

        Request a Callback

        Testimonials

        • Good service and fairly priced, plus what he does works! Chris has given us expert advice on security systems and installed and maintained those systems over a number of premises.

          Rick Flay, Property and Business Investor

        • We chose Crism for our security camera because we know and trust the owner Chris Mortimer. On the day of installation the team arrived on time, consulted us where the camera and the hard drive were to be situated and then got stuck in. There was a bit of drilling to insert cables but any dust was cleaned up. The camera is not obtrusive and gives a good picture.

          We are delighted with the end result and would be very happy to recommend Crism to others who are considering making their home more secure.

          Nick & Anne Sievewright, Commercial Photographers

        • As we are expanding our business we have built a large new fitting bay to the rear of our existing property. We therefore needed a new security alarm system for this area.

          Chris at CRISM was recommended to us by our insurance agent (the best recommendation you can get really!) Chris at CRISM and his guys were fantastic, great at answering our questions and fitting our new system.

          We certainly feel safe and secure knowing that our building is protected by a first class security system. We would recommend CRISM every time.

          AP Tyres, Tyres & Wheels Rotherham

          Get in touch with us today for a quote on commercial security

          Request a Quote
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