Why does my DC fast charger run at half its rated speed?
A DC fast charger running at half speed usually means the vehicle's battery is too hot or cold, the charger is current-limited…
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Practical, step-by-step fixes for ev fleet & charging infrastructure problems — 68 published so far.
A DC fast charger running at half speed usually means the vehicle's battery is too hot or cold, the charger is current-limited…
See the fixYour DC fast charger likely throttles speed due to high battery temperature, shared power limits, or utility demand‑charge management; the vehicle’s battery…
See the fixA DC fast charger delivers less than its rated speed when the vehicle's battery management system limits acceptance, the charger shares power…
See the fixA 'communication error' that aborts sessions after 2 minutes usually means the charger's PLC (power line communication) module can't handshake with the…
See the fixA "communication error" that aborts a DC fast charge after ~30 seconds usually means the vehicle and charger lost the ISO 15118…
See the fixError code 102 on a DC fast charger typically means a communication fault between the charger and the vehicle or a ground‑monitor…
See the fixError code 104 on a DC fast charger typically means a communication failure between the charger and the vehicle's battery management system,…
See the fixYour DC fast charger likely stops at 80% because the vehicle's battery management system limits charge rate to protect battery health, and…
See the fixYour DC fast charger throttles speed because the battery management system limits charge rate as the battery warms up or reaches higher…
See the fixYour fleet EV charger trips the breaker because the circuit is overloaded, the breaker is worn out, or there's a ground fault…
See the fixA fleet EV charging station trips the breaker when it pulls more current than the circuit can safely handle, most often because…
See the fixA 'communication error' on a DC fast charger usually means the vehicle and charger can't complete the handshake — often caused by…
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