Your electric vehicle charger is a high-power electrical device that operates daily, often in outdoor or garage environments exposed to heat, humidity, and dust. Like any electrical equipment, EV chargers need periodic maintenance to ensure they continue charging safely and efficiently. A charger that develops a loose connection or a failing GFCI can become a fire hazard or simply stop working when you need it most.
Unity Power & Light provides comprehensive EV charging station maintenance for homeowners and businesses throughout Aiken, SC. Whether you have a Level 2 home charger from ChargePoint, Tesla, JuiceBox, or Grizzl-E, or a commercial charging station serving customers and employees, we keep your equipment operating at peak performance. Regular maintenance extends charger life, prevents costly repairs, and ensures your vehicle is always ready to go.
What We Do
Our EV charger maintenance service covers every electrical component from the breaker panel to the charging connector.
GFCI Protection Testing
Every EV charger circuit requires GFCI protection per NEC code. We test both built-in GFCI modules and panel-mounted GFCI breakers to confirm they trip within the required timeframe. A GFCI that fails to trip is a serious shock hazard, especially in damp garage and outdoor environments.
Cable & Connector Inspection
Charging cables endure daily plugging and unplugging, weather exposure, and occasional physical stress. We inspect the full length of the cable for cracks, abrasion, and heat damage. We check the J1772 or Tesla connector pins for corrosion, carbon buildup, and proper spring tension.
Connection Tightness Verification
EV chargers draw 30 to 50 amps continuously for hours at a time. At these current levels, a slightly loose wire connection generates heat that compounds over time, eventually melting insulation or igniting surrounding materials. We torque-check every connection from the breaker to the charger terminals.
Thermal Imaging Scan
We use infrared thermal imaging to detect hot spots in wiring, connections, and charger components that are invisible to the eye. Thermal scanning identifies problems before they cause failures, letting us address overheating connections, undersized wiring, or failing components proactively.
Firmware & Software Updates
Many smart EV chargers receive firmware updates that improve charging algorithms, fix bugs, and add features. We verify your charger is running the latest firmware version and assist with updates that require electrical system interaction or network configuration.
Charging Performance Testing
We measure actual voltage and amperage delivery during a live charging session to confirm the charger is delivering its rated power. Reduced charging speed often indicates a wiring issue, a failing breaker, or a charger component that needs replacement.
Our Maintenance Process
Visual and Physical Inspection
We start with a thorough visual inspection of the charger unit, mounting hardware, cable, connector, conduit, and junction box. We check for physical damage, water intrusion signs, pest activity, corrosion, and any code violations that may have developed since installation.
Electrical Testing
We test voltage at the charger, verify amperage draw matches the rated specification, check ground continuity, test GFCI trip and reset functions, and perform thermal imaging of all connections. Every measurement is compared against manufacturer specifications and NEC requirements.
Preventive Maintenance
Based on our findings, we re-torque connections, clean connector contacts, clear debris from ventilation openings, tighten mounting hardware, and replace any worn or damaged components. We address small issues now before they become expensive failures later.
Report and Recommendations
We provide a written summary of our inspection findings, any work performed, and recommendations for future maintenance or upgrades. If your charger is approaching end-of-life or your electrical capacity needs have changed, we advise on replacement or upgrade options.
Why Professional Maintenance Matters
EV chargers are high-power devices that require qualified electrical attention. Here is why regular professional maintenance matters.
Fire Prevention
An EV charger running at 40 amps for 8 hours generates significant heat at every electrical connection point. A connection that was tight at installation can loosen over time due to thermal cycling -- the repeated expansion and contraction of copper conductors. Loose connections are the leading cause of electrical fires. Annual torque checks and thermal scans catch these problems early.
Warranty Compliance
Many EV charger manufacturers require periodic professional inspection to maintain warranty coverage. Chargers that fail due to lack of maintenance may not be covered. We document our maintenance visits so you have records to support any future warranty claim.
Charging Reliability
Nothing is more frustrating than waking up to a vehicle that did not charge overnight. Intermittent charging failures are often caused by degraded connections, failing GFCI breakers, or corroded connector pins -- all issues that regular maintenance detects and prevents before they leave you stranded.
Safety Code Compliance
The National Electrical Code is updated every three years, and South Carolina adopts these updates on its own schedule. A charger installed to code five years ago may not meet current requirements. We identify any code gaps during maintenance and recommend updates to keep your installation compliant and safe.
EV Charger Maintenance Pricing
Unity Power & Light provides flat-rate pricing for EV charger maintenance. You will know the exact cost before we begin work -- no hourly billing and no surprise charges.
Pricing varies based on charger type, location accessibility, and whether any component replacements are needed. We provide an exact quote after evaluating your specific setup.
For tips on keeping your EV charger in top condition, read our blog post: EV Charger Maintenance Tips for Aiken Homeowners
Why Choose Unity Power & Light
Need a new charger installed or your panel upgraded for EV charging? See our EV Charger Installation page or browse our full range of residential electrical services.
Need EV Charger Maintenance or Repair?
Serving Aiken, SC and surrounding communities including North Augusta, Graniteville, New Ellenton, Jackson, and Clearwater. Get your flat-rate quote today.