If your Superfast Portable Bottle Warmer displays an error code, the following troubleshooting steps should resolve the issue:
OH (Overheating Error)
- Meaning: The warmer has exceeded the safe temperature limit.
- Solution: Let the unit cool down by adding cold water or turning it off until the interior temperature drops.
LO (Low Battery)
- Meaning: The warmer battery is depleted.
- Solution: Charge the device, preferably with a Quick Charge 20W portable charger.
E2 (Temperature Detection Issue)
- Solution:
- Check the power source – Ensure the warmer is receiving sufficient power; try a different power adapter if needed.
- Restart the device – Powering it off and on may reset the error.
E3 (Internal Circuit Issue)
- Meaning: A problem with the warmer’s internal circuit may be affecting its functionality.
- Solution:
- Restart the device – Turn the warmer off and back on to see if the error clears.
- Inspect the charging port & cable – Look for dust, debris, or damage in the USB port.
E5 (Water Temperature Too High)
- Solution: Allow the unit to cool down by adding cold water or powering it off until the temperature drops.
E6 (Charging Issue)
- Meaning: The device is detecting a problem with battery charging or power delivery.
- Solution:
- Check the charging cable & port – Ensure the charger is properly connected and functional.
- Restart the device – Power off and on to see if the error clears.
- Try a different charger – Use a different cable.
