AMPROAD
Unstable Internal Power / Firmware Crash
Charger randomly reboots or restarts during idle or charging, without any visible error code.
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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
Failing auxiliary power supply, Loose low-voltage connectors, Firmware bug causing watchdog resets, Overloaded communication or HMI module
How to Fix / Troubleshooting
Safety: Turn OFF the breaker before opening the unit. Reboots can indicate impending hardware failure.
- 1. Firmware update:
- Check for and install the latest AMPROAD firmware via the app or service tool.
- 2. Inspect low-voltage wiring:
- With power OFF, reseat all connectors between the power board, control board, HMI, and communication module.
- 3. Check auxiliary PSU:
- Look for bulging capacitors or heat damage on the auxiliary power section of the power board.
- 4. Replace suspect modules:
- If reboots persist, replace the AMPROAD power board (aux PSU) or main control board as directed by diagnostics.
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Repair Difficulty
Hard
4/5
Required Part
AMPROAD Power Board / Main Control Board
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