Bosch Scheduling / Timer Misconfiguration

Bosch EV charger does not follow programmed charging schedules; it either charges immediately or not at all.

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Possible Causes

Incorrect time zone or clock setting, Overlapping or conflicting schedules, App-cloud desynchronization, RTC drift on main PCB

How to Fix / Troubleshooting

Safety first: No internal access is needed.

  • Verify time settings: In the Bosch app, confirm the charger’s time zone, date, and time are correct.
  • Clear and recreate schedules: Delete all existing schedules and create a single simple schedule to test behavior.
  • Check vehicle settings: Ensure your EV’s own scheduling is not conflicting with the Bosch schedule. Use either the car’s schedule or the charger’s, not both.
  • Firmware update: Apply any available firmware updates that address scheduling issues.
  • RTC service: If the time frequently resets after power outages, the internal clock circuit may need service by a technician.
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Repair Difficulty

Easy 2/5

Required Part

Main Control Board (RTC Circuit)
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