CircuitFix
    BMS & Automation Repair
    Mission-Critical Infrastructure

    BMS & Automation Repair

    Specialist component-level repair for Building Management Systems and automation controllers across London and the South East. We restore critical building infrastructure when replacement isn't viable.

    Trend, Siemens, Honeywell & more
    Component-level diagnostics
    On-site troubleshooting
    Obsolete system support

    Operational Impact

    Unexpected System Failure

    Sudden electronic faults causing complete operational downtime.

    No Spare Parts Available

    OEMs no longer support the system, making replacement impossible.

    High Cost of Replacement

    Upgrading the entire infrastructure is financially unviable.

    Our Capability

    Controller Repair

    We repair outstations, main controllers, and I/O modules at the component level, saving you from expensive full-system upgrades.

    Obsolete Systems

    Manufacturer no longer supports your BMS? We source equivalent parts and repair legacy boards to keep your building operational.

    Rapid Response

    When building control is lost, we provide priority diagnostics across the South East to restore HVAC, lighting, and security integration.

    Engineering Workflow

    A structured, professional approach to returning your systems to full operation.

    01

    Initial Assessment

    Rapid evaluation of the fault and system impact.

    02

    Component Diagnostics

    Deep-level testing of electronic components.

    03

    Precision Repair

    Replacing faulty components and reinforcing weak tracks.

    04

    Testing & Handover

    Full load testing to ensure operational reliability.

    Why Repair Instead of Replace?

    OEMs often push for full system upgrades when a single electronic component fails. We offer a more logical, cost-effective alternative that keeps your existing infrastructure running.

    Minimize Downtime

    Repairing a board takes days; replacing a system takes weeks or months.

    Cost Effective

    Component-level repair is typically a fraction of the cost of full system replacement.

    Preserve Integration

    Avoid the need to reprogram or re-integrate a completely new system.

    Check System Viability

    Not sure if your board can be saved? Speak directly with an engineer to discuss the fault symptoms and repair probability.

    Discuss Repair Viability

    Industries We Support

    Commercial Buildings
    Manufacturing
    Facilities Management
    Healthcare

    Regional Field Support

    Our mobile engineering teams provide rapid on-site diagnostics across London, the Home Counties, and South East England. We come to your facility to diagnose faults directly on the machine or control panel.

    Request On-Site Diagnostics

    Frequently Asked Questions

    Related Services

    BMS Repair HVAC Electronics Industrial Electronics Emergency Support

    System Down? Get an Assessment Today.

    Our engineers provide rapid diagnostics across London and the South East. We focus on repair over replacement to minimize your downtime and costs.

    Request AssessmentSpeak to an Engineer