Cub Cadet
Controller Brownout / Voltage Drop
Robot mower occasionally reboots or restarts its display while mowing
Advertisements
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.
Advertisements
Possible Causes
Loose battery terminals, High resistance in power wiring, Failing battery cells, Short spikes from motors
How to Fix / Troubleshooting
Safety first: Turn OFF the mower and disconnect the battery before inspecting wiring.
- Inspect battery connector: Ensure tight, clean contacts with no signs of overheating.
- Check main power wiring: Follow the heavy gauge wires from battery to main PCB and reseat connectors.
- Reduce load: Replace dull blades and avoid very tall or wet grass that heavily loads the motors.
- Battery test: If reboots continue, have the battery load‑tested or replace it.
Advertisements
Repair Difficulty
Medium
3/5
Advertisements