Why does a commercial EV charger show an error code and won't start a session
A commercial EV charger showing an error code and refusing to start usually means a communication fault between the vehicle and charger,…
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EV Fleet & Charging Infrastructure
Practical, step-by-step fixes for ev fleet & charging infrastructure problems — 75 published so far.
Why does a DC fast charger run slower than its rated speed?
A DC fast charger runs slower than its rated speed because the vehicle's battery management system limits charge rate based on temperature,…
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Why does a fleet EV charging station keep tripping the breaker?
A fleet EV charging station keeps tripping the breaker because the circuit is overloaded, the charger is pulling more amps than the…
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Why does my 150kW DC fast charger keep dropping to 50kW during a session?
Your 150 kW DC fast charger likely throttles to 50 kW because the vehicle's battery is near full, too cold, the charger…
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Why does my 150kW DC fast charger only deliver 50kW to my electric truck?
Your 150 kW DC fast charger likely delivers only 50 kW because the truck's battery management system limits charge rate based on…
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Why does my 350 kW DC fast charger only deliver 100 kW to my electric truck?
Your 350 kW charger likely throttles due to battery temperature limits, vehicle communication errors, or shared power cabinet allocation. Check the vehicle's…
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Why does my 50kW DC fast charger trip the 100A breaker when a second EV starts charging?
Your 100A breaker trips because two 50kW chargers drawing simultaneously exceed the panel's 80% continuous load limit (80A). Each charger can pull…
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Why does my ChargePoint CPF50 Level 2 charger show 'Ground Fault' error and stop charging?
A 'Ground Fault' error on your ChargePoint CPF50 means the charger detected current leaking to ground, usually from a damaged cable, wet…
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Why does my ChargePoint Express Plus 250kW DC fast charger only deliver 120kW to my electric trucks?
Your 250kW charger likely throttles to 120kW because the truck's battery voltage is too low for the charger's high-voltage window, the cable…
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Why does my commercial DC fast charger keep throttling to half its rated speed?
Your DC fast charger throttles because the battery management system limits power to protect the battery, the charger's thermal management is overheating,…
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Why does my commercial EV charger show error code 100 and won't start a session?
Error code 100 on a commercial EV charger typically means a ground-fault or communication failure between the charger and the vehicle; check…
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Why does my commercial Level 2 charger trip the breaker when a second EV starts charging?
Your breaker trips because the combined power draw of both vehicles exceeds the circuit's amp rating, causing the breaker to protect the…
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