E16
Ohme
Real-Time Clock (RTC) / Timekeeping Fault
Ohme charger shows E16; app may indicate 'RTC error' or 'Clock fault'. Schedules may run at incorrect times.
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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
Failed RTC chip on main PCB, Depleted backup battery or capacitor, Firmware bug affecting time sync, Loss of network time synchronisation
How to Fix / Troubleshooting
Note: This mainly affects scheduled charging accuracy.
- 1. Check app time settings: Ensure your phone and the Ohme app are set to the correct time zone and that the charger shows the correct time.
- 2. Force time sync: If the app offers a 'sync time' or similar function, use it while the charger is online.
- 3. Test manual charging: Start an immediate charge to confirm that basic operation is unaffected.
- 4. Temporary workaround: Avoid complex schedules and use simple start/stop times, verifying that they trigger correctly.
- 5. Persistent E16: If the charger cannot keep correct time even with network access, the RTC hardware on the main PCB may be faulty and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Real-Time Clock Circuit on Main PCB
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