Thermador Refrigerator: not making ice

Possible Causes

Water supply issues (clogged filter, frozen/blocked water line, shutoff valve closed)

How to Identify: Check if water filter is overdue for replacement or clogged; inspect back of fridge for kinks/frozen line; verify shutoff valve fully open.

Part: Water filter, water supply line, shutoff valve

DIY Solutions

Replace water filter

Easy 5-10 minutes

1. Locate water filter (per Thermador manual)
2. Remove old filter and install new one following orientation markings
3. Run water through dispenser to clear air before checking ice production

⚠️ Safety First: Dispose of old filter properly

Check water supply line and valves

Moderate 15-30 minutes

Tools Needed: Flashlight

1. Pull fridge from wall to access back
2. Ensure shutoff valve feeding fridge is fully open
3. Inspect water line for kinks, pinches, or frozen sections
4. Straighten kinks or thaw frozen line by temporarily raising freezer temp

⚠️ Safety First: Be careful moving fridge; ensure water supply off before handling connections

Verify freezer temperature settings

Easy 5 minutes

Tools Needed: Thermometer (optional)

1. Check freezer temp setting and adjust to ~0°F / —18°C
2. Allow minimum 24 hours for ice production cycle after adjustment

Ensure ice maker is turned on

Easy 2 minutes

1. Locate ice maker control arm or digital Ice On/Off setting
2. Confirm ice maker is set to 'On' or arm is lowered

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.

Based on diagnostic data

Most relevant component to inspect

Water Filter

Filters out impurities, sediment, and chlorine taste from your drinking water and ice.

Typical part-only price

$25 - $45

DIY difficulty

Easy

Estimated time

5 mins

Optional: enter your model number

Apply

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.

Find a part that fits my model

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.

Model number required

Model-compatible Refrigerator 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.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Refrigerator Condenser Coil Brush

For routine cleaning of accessible condenser areas where the manufacturer permits it. It does not repair a sealed-system or compressor fault.

View maintenance supply

Maintenance supply

Model-Compatible Refrigerator Water Filter

A routine replacement item on models with a water filter. Match the complete appliance model and existing filter number before ordering.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace water inlet valve

Estimated Cost: $50 - $150 for part

Replace ice maker assembly/module

Estimated Cost: $100 - $300+ depending on model

When to Call a Professional

Water leaking while troubleshooting

Ice maker still not making ice after verifying water supply and temperature

Suspected electrical/control board issues

Preventive Maintenance

• Replace water filter: Clogged water supply reducing ice production
  Frequency: every 6 months
• Check freezer temperature settings: Freezer too warm to freeze water for ice
  Frequency: monthly

Frequently Asked Questions

Why is my Thermador Refrigerator not making ice?

Common causes include clogged filters, frozen water lines, or a closed shutoff valve.

How do I fix Thermador Refrigerator not making ice myself?

You can replace the water filter, check the water supply line, verify freezer settings, and ensure the ice maker is turned on.

How much does it cost to fix not making ice?

Professional repairs can range from $50 to $300+, depending on whether you replace the water inlet valve or the entire ice maker assembly.

When should I call a technician for not making ice?

If DIY solutions don't resolve the issue, or if you're uncomfortable checking water lines and valves, it's best to call a technician.

References & Sources

• Thermador Refrigerator Troubleshooting Official

Common Issues Reported by Users

• Issues with Water Filter Head (2 mentions)

User Suggested Solutions

1. Replace the Water Filter Head

Community Discussions

randomly making small slivers of ice or no ice at all

Replaced the filter head and resolved the e30 error code.

Pro needed View on Reddit →

not making ice after filter change

Chipped sprayer on the Water Filter Head Fixture was the cause of the issue.

DIY View on Reddit →

Source: Reddit r/appliancerepair