TerraMow Scheduling / Timer Malfunction

Robot lawnmower’s time-based schedule does not trigger mowing even though the clock is correct.

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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

Disabled schedule in settings, Conflicting zone or rain delay settings, Firmware bug, Faulty RTC or memory

How to Fix / Troubleshooting

Safety: No special safety beyond normal handling is required for schedule adjustments.

  • Verify schedule: Check the TerraMow menu or app to ensure the schedule is enabled for the correct days and times.
  • Check overrides: Look for active rain delay, manual pause, or zone restrictions that may prevent automatic starts.
  • Test manual start: Start a manual mowing cycle to confirm the mower itself operates correctly.
  • Firmware update: Update to the latest TerraMow firmware to resolve potential scheduling bugs.
  • If still not starting: The RTC or schedule memory on the main board may be faulty and require board replacement.
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Repair Difficulty

Medium 3/5

Required Part

TerraMow Main Control Board
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