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68 fixes
Why does my fleet's DC fast charger keep tripping the 480V breaker during peak hours?
Your DC fast charger trips the 480V breaker during peak hours because the combined load of multiple chargers plus site demand exceeds…
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Why does my fleet's DC fast charger throttle to 50 kW after 10 minutes of charging?
Your DC fast charger throttles because its liquid-cooled cables or power modules overheat, triggering thermal protection that reduces output to protect hardware.…
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Why does my fleet's Level 2 EV charger keep tripping the breaker?
Your Level 2 charger is likely tripping the breaker because it's drawing more current than the circuit is rated for, or the…
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Why does my Level 2 commercial EV charger keep tripping the breaker?
Your Level 2 charger trips the breaker most often because the circuit is overloaded, the breaker is undersized, or there's a ground…
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Why does our depot's DC fast charger keep throttling to 50 kW instead of 150 kW?
Your DC fast charger throttles to 50 kW because the vehicle's battery management system limits charge rate when the pack is hot,…
See the fixWhy does our depot's Level 2 charger trip the breaker when two EVs charge simultaneously?
Your Level 2 charger trips because the combined draw of two vehicles exceeds the circuit's amperage rating, causing the breaker to protect…
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Why does our fleet's DC fast charger keep tripping the main 400A breaker when multiple trucks charge at once?
Your 400A breaker trips because simultaneous DC fast charging exceeds its continuous current rating when multiple trucks charge together. The breaker protects…
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Why does our fleet's Level 2 charger trip the breaker every time we plug in a van?
Your Level 2 charger trips the breaker because the circuit is overloaded, the breaker is worn out, or there's a ground fault…
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Why does our fleet's Level 2 charger trip the breaker when two vans charge simultaneously?
Your Level 2 charger trips the breaker because the combined draw of two vans exceeds the circuit's 40‑amp rating, causing an overload.…
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Why is my 150kW DC fast charger only delivering 30kW when a single vehicle is plugged in?
Your 150kW DC fast charger is likely limited by the vehicle's maximum acceptance rate, a shared power cabinet, or a thermal throttle…
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Why is my 150kW DC fast charger only delivering 50kW?
Your 150kW DC fast charger may only deliver 50kW because the vehicle's battery management system limits charge rate based on temperature, state…
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Why is my DC fast charger charging slower than its rated speed?
Your DC fast charger runs slower than rated mostly because the vehicle's battery limits the charge rate, especially in cold weather or…
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