Thermador Ice Maker: not making ice
What is this symptom?
If your Thermador ice maker isn't producing ice, you're not alone. Many users face this issue, often due to insufficient water supply, improper freezer temperature, or a malfunctioning ice maker. Understanding the causes can help you troubleshoot effectively and restore ice production quickly.
Important Tips for Thermador Models
- Thermador models often require ensuring ice maker is ON and freezer is properly set; specialized reset procedures may exist
- Thermador water filter should be replaced about every 6 months to prevent flow issues
Possible Causes
Insufficient water supply to ice maker
How to Identify: Check water filter condition, feel if water line is frozen or kinked; insufficient flow to ice maker
Part: Water inlet valve / water supply line / water filter
Freezer temperature not cold enough
How to Identify: Freezer set warmer than ideal, ice maker will not cycle properly
Part: Freezer thermostat / temperature control
Ice maker turned off or paused
How to Identify: Control arm or switch is raised/off position and prevents ice making
Part: Ice maker on/off switch or control arm
Frozen or clogged fill tube
How to Identify: Ice buildup or ice clog in fill tube, especially after warm conditions or low water pressure
Part: Fill tube to ice mold
Control board or ice maker assembly failure
How to Identify: Ice maker reset and basic checks fail, no activity in ice maker and no fill cycle
Part: Ice maker module / control board
DIY Solutions
Check and Replace Water Filter
- Locate the refrigerator water filter
- Remove and replace a clogged or old filter according to model instructions
- Flush system by dispensing water to ensure flow before ice making resumes
Ensure Proper Freezer Temperature
- Check current freezer temperature
- Adjust thermostat to about 0°F
- Wait 24 hours to observe if ice production resumes
Verify Ice Maker Switch/Arm Position
- Locate ice maker on/off switch or control arm inside freezer
- Ensure switch/arm is in ON/LOWER position
- Listen for ice maker cycle attempts
Clear Frozen Fill Tube
- Locate the fill tube that supplies water to ice maker
- Use warm air or a cloth to gently thaw any frozen ice or blockages
- Ensure water line remains unobstructed
Reset Ice Maker Unit
- Locate the reset button on the ice maker
- Press and hold reset for ~10 seconds
- Wait for system to cycle and observe within a few hours
Next step
Choose the next step for not making ice
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Water Inlet Valve
Controls the flow of hot and cold water into the appliance.
- Typical part-only price
- $25 - $60
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Thermostat
Regulates temperature by turning the heating or cooling system on or off.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Ice Maker parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Professional Repairs
Replace Water Inlet Valve
Ice Maker Assembly Replacement
Control Board Replacement
When to Call a Professional
Preventive Maintenance
-
Replace water filter: Restricted water flow causing no ice production
Frequency: every 6 months -
Monitor freezer temperature: Incorrect temperature stopping ice cycles
Frequency: weekly check
Frequently Asked Questions
Why is my Thermador Ice Maker not making ice?
How do I fix Thermador Ice Maker not making ice myself?
How much does it cost to fix not making ice?
When should I call a technician for not making ice?
References & Sources
Community Analytical Insights
Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions
Common Issues Reported by Users
- Water supply issue (clogged filter or closed valve)
- Faulty water inlet valve
- Defective ice maker module or motor
User Suggested Solutions
-
Check the water supply: Ensure the water line is connected and the valve is open. Inspect the filter for clogs and replace if necessary.
-
Test the water inlet valve: Disconnect power, locate the valve, and check for continuity with a multimeter. Replace if faulty.
-
Inspect the ice maker module: Remove the cover and check for any visible damage or obstructions. Replace the module if necessary.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!