E22
TerraMow
Charging Contact / Dock Detection Fault
Display shows E22; mower may not detect when it is on the charging station.
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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
Bent charging pins, Worn contact pads on mower, Broken dock detection reed switch, Loose dock sensor wiring
How to Fix / Troubleshooting
Safety: Unplug the charging station from mains before bending or cleaning contacts.
- Inspect contacts: Check the TerraMow charging pads and station pins for wear, pitting, or bending. Gently straighten bent pins.
- Clean surfaces: Use a dry cloth or fine abrasive pad to remove oxidation from the metal contacts.
- Check dock sensor: Some TerraMow models use a reed switch or Hall sensor to detect docking. Ensure the sensor and magnet are aligned and the wiring is intact.
- Test docking: Place the mower on the station and confirm that the charging icon appears. If not, the dock detection circuit may be faulty.
- Replace components: Replace worn charging contacts on the mower or the TerraMow charging station contact assembly as needed.
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Repair Difficulty
Medium
3/5
Required Part
TerraMow Charging Contact Assembly
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