TerraMow
Corrosion / Water Ingress Damage
Robot lawnmower is leaking rust-colored water or shows corrosion on metal parts underneath.
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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
Frequent operation in heavy rain, Cracked deck or housing seals, Blocked drainage holes, Storage in damp environment
How to Fix / Troubleshooting
Safety: Turn OFF the mower and disconnect the battery before inspecting for water damage.
- Dry the unit: Move the TerraMow to a dry indoor area and allow it to dry thoroughly.
- Inspect seals: Check the deck, wheel hubs, and housing joints for cracks or missing gaskets that could allow water in.
- Clean corrosion: Light surface rust on non-critical parts can be brushed off and treated with a rust inhibitor.
- Check bearings and motors: If water has entered the blade motor or wheel hubs, replace the affected TerraMow motor or wheel assemblies.
- Improve storage: Store the mower and charging station under cover when not in use to reduce future water exposure.
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Repair Difficulty
Hard
4/5
Required Part
TerraMow Deck Housing
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