Sun Country Highway Water Ingress / Seal Failure

Water or condensation visible inside the charger enclosure or behind the display window.

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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.

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Possible Causes

Damaged door gasket, Loose or improperly sealed cable gland, Cracked enclosure or display window, Incorrect mounting orientation allowing water entry

How to Fix / Troubleshooting

Safety first: Turn off power immediately if water is present inside the unit.

  • Open and dry: Carefully open the enclosure and gently dry visible moisture with a lint-free cloth. Allow the unit to air dry completely before re-energizing.
  • Inspect seals: Check the door gasket, display window seal, and cable gland for cracks, gaps, or improper compression. Replace any damaged seals.
  • Correct mounting: Ensure the charger is mounted vertically as specified by Sun Country Highway, with drip loops on cables to prevent water tracking inside.
  • Check for corrosion: Inspect terminals and the control board for corrosion. Light corrosion can sometimes be cleaned; severe corrosion usually requires component or board replacement.
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Repair Difficulty

Medium 3/5

Required Part

Enclosure Door Gasket and Cable Gland
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