ABL Cooling Fan Overrun / Noise

ABL charger’s internal fan (on models equipped) runs very loudly or continuously, even at low load.

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.

Possible Causes

Clogged air vents causing higher internal temperature, Worn fan bearings, Faulty temperature sensor reading high, Misconfigured thermal thresholds in firmware

How to Fix / Troubleshooting

Steps:

Inspect and clean all ventilation openings with a soft brush or vacuum.
Ensure the charger is not installed in a confined or hot space.
With power OFF, open the unit and check the fan for dust buildup; clean carefully.
If the fan remains noisy or runs at full speed constantly, replace the fan. If behavior persists, the temperature sensor or control board may be at fault.

Repair Difficulty

Medium 3/5

Required Part

ABL power module cooling fan

Check Price on Amazon

We may earn a commission from links on this page.