Why does my commercial Level 2 charger trip the breaker when two EVs charge simultaneously?
Your Level 2 charger trips the breaker because the combined draw of two vehicles exceeds the circuit's amp rating, typically 40A or…
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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 my commercial Level 2 EV charger trip its circuit breaker every night during fleet charging?
Your Level 2 charger trips the breaker nightly because the circuit is overloaded by simultaneous charging sessions or a faulty breaker; check…
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Why does my commercial Level 2 EV charger trip the circuit breaker every time a fleet van plugs in?
Your Level 2 charger trips the breaker because the circuit is overloaded, the breaker is undersized or worn, or the charger has…
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Why does my commercial Level 2 EV charger trip the circuit breaker every time a vehicle plugs in?
Your commercial Level 2 charger trips the breaker on plug-in because the vehicle's onboard charger draws a sudden inrush current that exceeds…
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Why does my DC fast charger keep dropping to 50 kW when it's rated for 150 kW?
Your DC fast charger throttles to 50 kW because the vehicle's battery management system limits charge rate due to high battery temperature,…
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Why does my DC fast charger keep erroring out at 80% state of charge?
Your DC fast charger isn't broken — the vehicle's battery management system deliberately reduces charge acceptance above 80% SOC to protect battery…
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Why does my DC fast charger keep erroring out with 'communication fault' and won't start a session?
A 'communication fault' on a DC fast charger usually means the charger can't handshake with the vehicle or the backend network, often…
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Why does my DC fast charger keep showing 'Communication Error' and aborting sessions after 2 minutes?
A 'Communication Error' that aborts sessions after ~2 minutes usually means the charger and vehicle lose the PLC (Power Line Communication) handshake…
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Why does my DC fast charger keep showing 'communication error' and aborting sessions with Ford E-Transit vans?
A 'Communication Error' on a DC fast charger with Ford E-Transit vans usually means the charger's CCS handshake fails due to outdated…
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Why does my DC fast charger keep showing 'Communication Error' and aborting sessions?
A DC fast charger showing 'communication error' usually means the vehicle and charger can't agree on charging parameters, often due to a…
See the fixWhy does my DC fast charger keep showing a communication error and won't start a session?
A DC fast charger showing a communication error usually means the vehicle and charger can't agree on a charging protocol, often due…
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Why does my DC fast charger keep showing error code 0x103 and won't start a charging session?
Error code 0x103 on a DC fast charger typically means a communication timeout between the charger and the vehicle's battery management system,…
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