Fix Library
Practical, step-by-step fixes for ev fleet & charging infrastructure problems — 75 published so far.
Your 400A breaker trips because simultaneous DC fast charging exceeds its continuous current rating when multiple trucks charge together. The breaker protects…
See the fixYour Level 2 charger trips the breaker because the circuit is overloaded, the breaker is worn out, or there's a ground fault…
See the fixYour Level 2 charger trips the breaker because the combined draw of two vans exceeds the circuit's 40‑amp rating, causing an overload.…
See the fixYour 150kW DC fast charger is likely limited by the vehicle's maximum acceptance rate, a shared power cabinet, or a thermal throttle…
See the fixYour 150kW DC fast charger may only deliver 50kW because the vehicle's battery management system limits charge rate based on temperature, state…
See the fixYour DC fast charger runs slower than rated mostly because the vehicle's battery limits the charge rate, especially in cold weather or…
See the fixYour DC fast charger likely throttles output due to battery temperature limits, vehicle communication errors, or site power constraints; the charger protects…
See the fixYour DC fast charger is likely throttling power because the battery is cold, the vehicle is above 80% state of charge, the…
See the fixYour DC fast charger is likely throttling due to high battery temperature, shared power limits, or a firmware fault — check the…
See the fixYour DC fast charger likely runs slower than its rated speed because the vehicle's battery management system limits power based on temperature,…
See the fixYour DC fast charger likely isn't hitting 150kW because the vehicle's battery management system limits charge speed based on temperature, state of…
See the fixYour DC fast charger likely throttles output because the utility transformer or service panel hits thermal limits during peak demand, causing the…
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