Preventive Maintenance & Servicing of GEZE Automatic Sliding Door Entrance Systems

The Requirement:

ZESCO Head Office is a hub of activity, with hundreds of personnel and visitors passing through the main entrance points daily. The GEZE automatic sliding doors, while renowned for their exceptional build quality and longevity, require periodic professional maintenance to sustain optimal performance. The client reported concerns, including slight hesitation in door response, occasional sensor irregularities, and minor operational noise—early warning signs that preventive intervention was needed to avoid potential breakdowns that could disrupt operations and compromise security.

Our Expertise:

GEZE, a world-leading German manufacturer of door and window control systems, produces some of the most sophisticated automatic door technology available. Servicing these systems requires specialized knowledge, proper diagnostic tools, and a genuine understanding of GEZE's engineering principles. Keystone Pro's technicians have invested in training and hands-on experience with GEZE systems, enabling us to maintain, troubleshoot, and optimize these premium door systems to manufacturer standards.

Scope of Work:

Our comprehensive maintenance program included:

• Detailed inspection of GEZE Slimdrive and ECdrive automatic operators
• Diagnostic assessment of control units and electronic components
• Testing and calibration of motion sensors and presence detectors
• Inspection and adjustment of safety sensors and anti-trap protection systems
• Cleaning and lubrication of guide rails, rollers, and drive mechanisms
• Drive belt inspection, tensioning, and replacement where required
• Electrical connection verification and terminal security checks
• Door leaf alignment and running gear adjustment
• Speed and timing parameter optimization for smooth operation
• Safety compliance testing in accordance with EN 16005 standards
• System performance documentation and maintenance reporting

Technical Excellence:

The GEZE automatic door systems at ZESCO Head Office feature advanced technology, including:

• Intelligent drive systems with whisper-quiet operation
• Sophisticated sensor arrays for reliable pedestrian detection
• Integrated safety systems preventing entrapment hazards
• Energy-efficient standby modes reduce power consumption
• Sleek, professional aesthetics befitting a corporate headquarters

Our maintenance approach preserved and enhanced all these features, ensuring the doors continue to reflect ZESCO's image as a modern, professional organization while providing safe, convenient access for all users.

Results Achieved:

Following our maintenance intervention, the GEZE automatic sliding doors at ZESCO Head Office now operate with renewed precision and reliability:

• Instantaneous, smooth response to approaching pedestrians
• Silent operation eliminates previous noise concerns
• Perfectly synchronized door leaf movement
• Optimized sensor sensitivity, reducing false activations
• Confirmed safety system functionality for user protection
• Extended service life through preventive component care

ZESCO's facilities management team expressed complete satisfaction with our professional approach, technical competence, and minimal disruption to daily operations during the maintenance process.

The Keystone Technologies Advantage:

What distinguishes Keystone Pro in automatic door maintenance is our commitment to manufacturer-level service quality regardless of the brand or system complexity. We maintain comprehensive knowledge of leading automatic door manufacturers, including GEZE, Dorma, Record, Assa Abloy, and others, ensuring we can service virtually any system our clients operate.

Our preventive maintenance philosophy focuses on identifying and addressing minor issues before they escalate into major failures, saving our clients from costly emergency repairs and operational disruptions. We believe that premium automatic door systems deserve premium maintenance care.