Troubleshooting Guide:

Sub-Zero Ice Maker Troubleshooting: Comprehensive Guide

Step-by-Step Guide to Fixing Sub-Zero Ice Maker Problems

Sub-Zero refrigerators offer the convenience of an in-built ice maker. However, there may be times when it stops producing ice. This could be due to blockages in the supply lines or faulty components within the ice maker.

Experiencing issues with your Sub-Zero ice maker can be frustrating. Whether it's not making ice, producing insufficient ice, or encountering water leaks, understanding how to effectively troubleshoot these problems is crucial.

Basic Troubleshooting: Appliance Settings and Water Supply

Appliance Settings:
  • After turning on the ice maker, check settings and wait 24 hours for ice production.

Water Supply:
  • Ensure the water filter is properly seated, and the water supply to the unit is turned on. Check for low water pressure and consider replacing inline water filters if present.
Sub Zero Ice Maker Does Not Make Ice | How to Guide
Model-Specific Troubleshooting: From Classic to Undercounter Units

Classic Series (BI, CL):
  • Instructions for turning the ice maker on/off and troubleshooting ice production issues.

Designer Series (IT, IC, DET, DEC):
  • Steps for enabling ice maker operation and addressing specific ice-making challenges.

PRO Series, 648PRO, 700 Series, 600 Series, 500 Series, Undercounter Units (DEU, UC-24CI, 315I):
  • Detailed troubleshooting for each series and model, ensuring specific guidance tailored to your refrigerator.
General Troubleshooting for Unlisted Models

Ice Maker Inspection:
  • Check for obstructions or jammed ice cubes, and ensure the shut-off arm is in the correct position.

Defrosting and Clearing Blockages:
  • Instructions for manually defrosting the freezer and clearing the ice maker fill tube.
Tackling ice maker issues can be intricate and may require professional intervention. For expert Sub-Zero appliance repair services, reach out to us at Our experienced technicians are adept at resolving even the most complex Sub-Zero equipment breakdowns, ensuring seamless operation and efficiency.

If these troubleshooting steps don't resolve your issue, professional service is necessary. Contact Factory Certified Service at to schedule an appointment. Our experts provide detailed diagnostics and repairs for all Sub-Zero models.

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