ABL Display / LED Indicator Fault

ABL charger’s front display or LED bar is dim, flickering, or partially not working, but charging still functions.

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Possible Causes

Aging or damaged LED/display module, Loose ribbon cable or connector, Minor low‑voltage fluctuation, Moisture damage to front panel electronics

How to Fix / Troubleshooting

Steps:

  • Power‑cycle the charger and observe if the issue is temporary.
  • With power OFF, open the housing and reseat the ribbon cable or connector between the display/LED board and the main control board.
  • Inspect the front panel for signs of moisture or physical damage.

If indicators remain faulty but charging works, replace the front display/LED module. This does not usually affect charging safety but impairs status visibility.

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Repair Difficulty

Easy 2/5

Required Part

ABL front LED/display module
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