Expert Automatic Door Repair in Little Chalfont
In the bustling commercial environment of Little Chalfont, a functional automatic door is essential for footfall and security. As independent specialists, we work on all major brands including Dorma, Record, Geze, and Assa Abloy.
Brushless DC Motor Diagnostics
The drive unit is the heart of your system. In Little Chalfont, we troubleshoot high-torque DC motors, replacing worn carbon brushes or faulty encoders to restore silent operation.
Revolving Door Speed Control
We calibrate the speed and torque of revolving doors in Little Chalfont, ensuring the collapsible wings operate correctly in panic situations.
DDA Low Energy Systems
Make your Little Chalfont shop accessible. We install 'Low Energy' push pads for wheelchair users, complying with the Equality Act (DDA).
Battery Backup (UPS) Tests
In a power cut, your door must work. We test NiMH battery packs to ensure your door performs its emergency open/close function, a key fire safety requirement in Little Chalfont.
Control Board Logic Repair
We diagnose faults in the Microprocessor Control Unit (PCB). Our Little Chalfont engineers can often reset factory parameters or update firmware rather than swapping expensive boards.
Common Faults We Fix in Little Chalfont
| Symptom | Likely Cause | Our Fix |
|---|---|---|
| Door Slams | Encoder Fault | Replace Motor Unit |
| Grinding Noise | Nylon Gearbox | Rebuild Transmission |
| Stuck Open | Fire Alarm / Battery | Reset Interface |
| Ghost Opening | Radar Interference | Install Digital Sensors |
Annual Maintenance Contracts (AMC)
Prevent expensive breakdowns in Little Chalfont. Our AMC packages provide bi-annual service visits, legal compliance logbooks, and priority callout status.
Call 0330 223 7190 to secure your building today.
Frequently Asked Questions
Do you repair Dorma doors in Little Chalfont?
Yes, we are independent experts for Dorma ES200, ST Flex, and older models.
How fast is your response?
We aim for same-day attendance in Little Chalfont for security-critical faults.
Do you offer Maintenance Contracts?
Yes, our AMC packages ensure your doors remain BS EN 16005 compliant year-round.