In brief: Some alarms fail when they matter most. Learn the four most common causes, from analogue lag to flat batteries, and how to future-proof your own.
Why Some Personal Alarms Fail During Emergencies (And How to Avoid It)
Here's a tough truth—some alarms fail exactly when they're needed most. In 2026, as the UK moves toward a fully digital infrastructure, understanding why these failures happen is the only way to prevent them.
Both the NHS and Age UK highlight falls as a major health risk. A personal alarm is meant to be the solution, but if the device doesn't connect, or if the monitoring team doesn't answer, the safety net is gone. Reliability isn't optional—it's everything.
The 4 Most Common Technical Points of Failure
1. The Digital Switchover & "Analogue Lag"
Older analogue alarms plug directly into your phone socket. As the UK moves to a digital network, these signals often struggle to "talk" to modern digital exchanges. This can lead to calls being dropped or simply not connecting. If your current alarm is landline-based, read our 2027 Switch-Off Guide to see if your device is at risk.
2. Single-Network Mobile Blackspots
Many modern alarms use a single mobile network (like just O2 or just Vodafone). If that specific network has a local outage or poor signal in your bathroom or garden, the SOS call will fail. A "dead zone" in the house is a huge risk for someone living alone. See our Living Alone Safety Guide for signal testing tips.
3. Poor Monitoring Response & Accreditation
Even if the tech works, the human on the other end must answer. Some cheaper providers have high call volumes and low staffing, leading to delays. In an emergency, a 2-minute wait is a lifetime. Always check for TSA Quality Standards to ensure the monitoring station is audited for speed and safety.
4. User Error and Lack of Testing
A dead battery is the simplest but most frequent cause of failure. If a user isn't in the habit of charging or testing their device, it won't work when it matters. Routine is key. We walk you through the process in our 9 Essential Setup Checks.
Building Resilience with Multi-Network SIMs
Our devices use a multi-network SIM, meaning they automatically connect to the strongest available signal across UK networks such as EE, O2 and Vodafone. By bypassing the landline network entirely and using multiple mobile providers, we eliminate the most common technical points of failure in UK telecare today. This ensures your SOS pendant is always connected.
Check What Setup You Need
Most alarm failures are preventable with the right setup and information. Speak directly to Hannah to audit your current system and identify any hidden risks.
How to Future-Proof Your Safety
To ensure your loved one is never left without help, follow these three non-negotiables:
- Switch to Digital-First: Ensure your device is 4G-enabled and does not rely on a telephone socket.
- Verify Response Data: Don't settle for "fast response." Ask for data. At Holden Grange, we prioritise a 4-second average answer time. Read our Response Times Report for more.
- Understand the Limits of Fall Detection: This tech is brilliant but not 100% accurate. Users must know to always press the button if they can. Check our Fall Detection Deep-Dive for the full truth.
Closing Insight: Reliability isn't a luxury—it's the entire purpose of a telecare system. Don't leave your safety net to chance by ignoring the move to digital. For a system built for 100% resilience, Holden Grange are the people to talk to.
Frequently Asked Questions
No cellular alarm can place a call where there is no usable mobile signal. Check coverage at the address and anywhere the device will normally be used, and test the alarm regularly.
No. Fall detection is an additional safety layer and cannot detect every type of fall, particularly a slow slide. The wearer should press the SOS button whenever they can.
The monitoring team follows the agreed response plan, uses the location and customer information available to them, and escalates to emergency contacts or services when needed.
Test it when it arrives and then at least monthly, as well as after any change to the device, charging routine, contact list, mobile coverage or home setup.