Stiga Water Ingress / Moisture Short

Robot mower cuts out when it rains, even though the rain sensor is disabled in settings.

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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 housing seals, Cracked top cover, Missing gaskets around keypad or rain sensor, Water inside main board compartment

How to Fix / Troubleshooting

Safety first: Turn OFF the mower and bring it indoors immediately.

  • Dry thoroughly: Remove the top cover and allow all components to dry for at least 24–48 hours in a warm, dry place.
  • Inspect seals: Check rubber gaskets around the keypad, rain sensor, and housing joints. Replace any that are cracked or flattened.
  • Check for cracks: Examine the top cover and chassis for impact damage that could let water in. Replace damaged parts.
  • Preventive storage: During heavy rain or off‑season, store the mower and station under cover.
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Repair Difficulty

Medium 3/5

Required Part

Top Cover Seal Kit
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