How to Fix / Troubleshooting

Safety first: Turn off water and power before disconnecting any water lines.

Steps to check:

Locate flow meter: On some Grundig models, a small plastic flow sensor is installed in-line with the inlet hose. Inspect for kinks or bends around it.
Check for debris: Remove the flow meter and look for sediment or scale blocking the turbine. Rinse thoroughly under running water.
Verify filter installation: Ensure the water filter is fully seated and not restricting flow. Replace if old or clogged.
Reassemble and test: Reinstall the flow meter with correct flow direction (arrow on body). Restore water and power, then run a test cycle to see if cube size normalizes.

Note: If the error persists, the flow meter or main control board may need replacement.

Ice maker shows a flow meter or water volume error, inconsistent cube size

Possible Causes