- Why is ice production slow?
- Why does the ice bucket take so long to fill?
- Slow ice production
- Unit makes ice cubes but very slowly and not very many in a day.
Steps to Verify Issue:
The ice maker inside a freezer will make 8 cubes of ice every 2-3 hours on average, this is considered normal operation. Undercounter ice makers produce a batch of ice every 30 minutes or so.
- Depending on specific model, the ice bucket may take 1-2 days to fill completely.
- If equipped, activating the Max Ice feature will increase ice production for a 24 hour period.
If ice production is slower than expected:
- Verify no service messages, icons, or error codes are displayed.
- Ensure unit has been powered on for at least 24 hours.
- Confirm freezer temperature is below 5°F.
- Temperatures above 5°F can affect ice maker performance.
- Sub-Zero recommends 0°F freezer temperature.
- Verify unit's condenser has been cleaned within the last 3-6 months. See Clean the Condenser.
- Ensure the ice bucket is properly installed.
- For over-and-under units, verify the upper basket is properly installed. If not installed correctly it may sit too high, causing the ice maker to turn off prematurely.
- Verify the ice maker shut-off arm is in the down position.
- Ensure ice maker rudder arm is attached to the shut-off arm.
- Verify the ice maker fill tube is not obstructed.
- Ensure there are no obstructions or jammed ice cubes in ice maker assembly.
- Verify no recent plumbing or water pressure issues in home.
- If installed, ensure in-line water filter is not expired.
- For undercounter, stand alone ice makers, also ensure the unit is properly cleaned and sanitized regularly, see UC-15 and 315 Cleaning information.
- See also:
Refer to the product use and care guide for further information.
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