E08
Bosch
Water Fill Flow / Flow Meter Fault
E08 displayed; ice maker cycles but no water enters the mold.
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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
Defective Bosch flow meter (if equipped), Blocked water filter, Incorrectly installed Bosch water filter, Partially closed shutoff valve
How to Fix / Troubleshooting
Safety: Turn off water supply and disconnect power before servicing.
- Check water filter: If your Bosch refrigerator has an internal filter, remove it and inspect the O‑rings. Replace the filter if it is older than 6 months or visibly clogged. Ensure the new filter is fully seated and locked.
- Bypass test (if possible): Some models allow a filter bypass plug. Install the bypass and test ice maker fill. If it fills normally, the filter was the restriction.
- Verify shutoff valve: Confirm the household shutoff valve is fully open and not a self‑piercing saddle valve, which can clog easily. Replace with a standard drill‑type valve if needed.
- Inspect flow meter: On models with a Bosch flow meter in the water line, check for kinks or debris. If the control reports E08 despite good pressure and a new filter, the flow meter may not be sending pulses.
- Replace flow meter: Shut off water, disconnect the water lines from the flow meter, and install a new Bosch flow sensor in the same orientation (note the flow direction arrow). Reconnect lines and check for leaks.
- Reset and test: Restore power and water, then run a test fill cycle. Monitor for proper water entry into the ice mold.
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Repair Difficulty
Medium
3/5
Required Part
Bosch Water Flow Meter / Flow Sensor
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