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  1. HULKMAN Help Center
  2. Alpha Jump Starter
  3. Troubleshooting

Troubleshooting

  • How to test if a jump starter can work after receiving it
  • What to do if you failed to jump start your car.
  • What to do if you received a defective product.
  • What to do if the screen doesn't show 'READY' icon when jump start a car.
  • What to do if the screen shows 'Error Code 4'
  • What to do if the screen shows 'Error Code 3'
  • What to do if the screen shows 'Error Code 2'.
  • What to do if the screen shows 'Error Code 1'.
  • What to do if you can't charge the jump starter pass throught 76% or XX%
  • What to do if the wall charger cannot work.
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