Heidelberg Moisture Ingress / Compromised IP Protection

Water or condensation visible inside the charger housing or behind the transparent cover, but unit may still function.

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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 or improperly seated housing gasket, Cable glands not tightened, Cracked enclosure, Installation in area with direct water spray beyond rating

How to Fix / Troubleshooting

Safety first: Moisture inside an energized charger is dangerous. Immediately stop charging and isolate power at the breaker.

  • 1. Dry the unit:
    • Open the housing and carefully dry visible moisture with a lint‑free cloth.
    • Allow the charger to air dry completely before re‑energizing.
  • 2. Inspect seals:
    • Check the front cover gasket for damage or misalignment.
    • Inspect cable glands for tightness and correct sizing to the cable diameter.
  • 3. Check enclosure integrity:
    • Look for cracks or impact damage on the housing.
  • 4. Improve installation conditions:
    • If installed in a location exposed to direct rain or spray, consider adding a weather shield as per Heidelberg recommendations.
  • 5. Replace damaged parts:
    • Replace defective gaskets, cable glands, or housing components to restore IP rating.
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Repair Difficulty

Medium 3/5

Required Part

Front Cover Gasket
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