Cedrus Scheduling / Real-Time Clock Issue

Robot mower does not start according to the programmed schedule, but can be started manually.

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Possible Causes

Incorrect time or schedule settings, Disabled schedule in app, Weak backup battery for clock on main board, Firmware bug

How to Fix / Troubleshooting

Safety first: Ensure the mower is OFF while not in use, but you can adjust settings with it ON and stationary.

  • Verify time and date: Check the mower's internal clock and correct it if necessary via the control panel or Cedrus app.
  • Review schedule: Confirm that mowing days and time windows are enabled and not overridden by a manual pause or rain delay.
  • App sync: If using a smartphone app, force a sync or reconnect to ensure settings are properly transferred to the mower.
  • Power cycle: Turn the main switch OFF for 30 seconds, then ON, and recheck the schedule.
  • Service if recurring: If the clock frequently resets or loses time, the internal RTC or its backup supply on the main board may be failing and require service.
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Repair Difficulty

Very Easy 1/5
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