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  1. HULKMAN Help Center
  2. Sigma Battery Charger
  3. Troubleshooting

Troubleshooting

  • What to do if the screen shows Error Indications?
  • Why is the voltage still very low after charging the battery for a long time?
  • Why can't I select the 12V Force Charge Mode on the screen?
  • Why does the buzzer sound? What should I do?
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