Monthly Maintenance Checklist
✓
Inspect the charging cable
Check for cuts, cracks, or kinks in the cable jacket. Look for exposed wires or damage near the connector.
✓
Clean the connector
Wipe the J1772 or Tesla connector with a dry cloth. Check pins for debris, corrosion, or damage.
✓
Check the holster
Ensure the connector holster is secure and keeps the plug off the ground when not in use.
✓
Test the charger
Plug into your vehicle and verify charging starts normally. Check the app for any error messages.
Quarterly Maintenance
Physical Inspection
- Check mounting hardware is secure
- Inspect housing for cracks or water damage
- Verify ventilation openings are clear
- Look for signs of overheating (discoloration)
Electrical Checks
- Verify the circuit breaker hasn't tripped
- Check for loose connections at the charger (if accessible)
- Test GFCI functionality if applicable
Software Updates
For smart chargers with WiFi connectivity:
- Check the manufacturer app for firmware updates
- Apply updates during off-peak hours
- Test charging after any update
- Re-configure settings if needed after updates
Seasonal Care
Winter Preparation
- Check cable flexibility—cold weather stiffens cables
- Ensure connector holster protects from snow/ice
- Verify outdoor chargers are properly sealed
- Consider a connector cover for outdoor installations
Summer Considerations
- Check for overheating in direct sunlight
- Ensure adequate ventilation around the unit
- Inspect for insect nests in ventilation openings
- Consider a shade structure for outdoor chargers
About the Author
Vamsi Krishna is a tech and engineering enthusiast who has personally installed 12 home chargers and troubleshot 60+ EV charging issues. Follow him on @gvamsikrishna31 or learn more on the About page.