Fractal can manage all planned and preventative maintenance on behalf of the customer to maximize system uptime and performance.

Preventative Maintenance

Annual Onsite Inspections and Preventative Maintenance (required and scheduled) on the following equipment:

  • Battery System
  • Power Conversion System (PCS)
  • HVAC
  • Battery Enclosure
  • Auxiliary Components (HVAC, Fire Suppression, etc.

Required and scheduled maintenance:

  • Cleaning and calibration
  • Consumable parts replacement

Recurrent Training

Provide periodic training to operators, managers and on-site personnel:

  • Introduction and Safety
  • General System Overview and operation
  • Fire Detection and Suppression
  • Customer Site Specific Equipment
  • Site Controller(s)
  • Remote Software
  • Alarms
  • Preventative Maintenance and Customer Support
  • Site Tour of Software
  • Site Tour of Hardware

Corrective Maintenance

  • Facilitate and manage any necessary corrective maintenance. This includes managing vendor relationships regarding warranty support and fulfillment.

Inspection Reporting

  • Provide detailed summaries of all maintenance items performed during annual maintenance visit for all equipment as described in the applicable O&M manuals.


Corrective Maintenance


  • Power and energy capacity test
  • RTE test
  • Fire suppression test smoke test


  • Inspect and condition door seals and verify integrity
  • Inspect for roof damage
  • Inspect for signs of leaks or water damage
  • Inspect the exterior of the container to verify calk, paint and surface


  • Clean to remove soiling by vacuuming
  • Clean housing
  • Clean of dust and debris
  • Check and clean the primary and secondary condensate drains

Fire Suppression

  • Inspect panel, tank, connectors, and piping
  • Check tank pressure
  • Certify the fire suppression system (if required by local fire department)

IT Hardware

  • Visually inspect cables, cable connections and general integrity and cleanliness

Inspection Reporting


  • Check and calibrate the temperature sensor
  • Check and calibrate the humidity sensor
  • Check information logged by EMS
  • Visual inspection of the battery room for leakage and condensation; check battery connections and torques
  • SOH Calibration
  • Cell Balancing
  • Voltage & Temperature Uniformity Check
  • DC Contactor Operation Verification
  • Voltage Sensor Accuracy Check
  • 24V Aux Power Accuracy Check


  • Inspect for heat stress, discoloration, deformation

Auxiliary Equipment

  • Clean and inspect auxiliary panels, check for loose connections, overheating or abnormal conditions
  • Visual inspection of UPS, verify functionality, battery check and voltage measurements







Request a proposal today and see how we can make your project and bids more competitively priced.