E10
ABL Internal Power Supply / Low Voltage on Control Electronics

ABL charger shows E10; charging is disabled and the unit may reboot repeatedly.

Advertisements

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.

Advertisements

Possible Causes

Defective low‑voltage power supply on ABL main board, Loose low‑voltage harness between power board and control board, Overloaded auxiliary supply due to add‑on modules, Shorted component on communication or RFID board

How to Fix / Troubleshooting

Safety: Turn OFF the upstream breaker before opening the charger.

Checks:

  • Observe behavior: If the display or LEDs flicker or the unit reboots, suspect low‑voltage instability.
  • Disconnect accessories: If possible, disconnect optional modules (e.g., external load management, external meter interface) one at a time to see if E10 clears.
  • Inspect connectors: Ensure all low‑voltage connectors between the power board, main control board, and communication/RFID boards are fully seated.

Technician actions: Measure the low‑voltage rails (e.g., 5 V, 12 V) on the main board according to ABL service documentation. If out of tolerance, replace the main control board or the separate auxiliary power supply module if fitted.

Advertisements

Repair Difficulty

Hard 4/5

Required Part

ABL auxiliary power supply module
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements