E009
EVBox
Internal Power Supply Failure
Charger shows E009; LEDs may be off or stuck; unit unresponsive to start commands.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed low‑voltage power supply module, Blown internal fuse on control board, Shorted component on main PCB, Surge damage from lightning or grid spikes
How to Fix / Troubleshooting
Warning: Internal power supply circuits are connected to mains. Only qualified technicians should open the unit.
- Check external power: Confirm the dedicated breaker is ON and not tripped. Verify that other loads on the same panel are powered.
- Observe LEDs: If all LEDs are off and the app cannot see the charger, suspect internal power supply failure.
- Power cycle: Turn the breaker OFF for 2 minutes, then ON. If the unit remains dead or shows E009, internal service is required.
- Internal inspection (qualified): With power off, open the EVBox and check for a blown internal fuse, bulged capacitors, or burn marks on the low‑voltage power supply section. Replace the fuse only with the exact specified type and rating after identifying and correcting the root cause.
- Board replacement: If visible damage is present or the low‑voltage rail is missing, replace the main control/power board assembly according to EVBox service procedures.
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Repair Difficulty
Professional Required
5/5
Required Part
EVBox Low‑Voltage Power Supply Module
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