❄️Refrigerator

Thermador · T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System

Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System EF Error Fix: Ice Maker Heater Failure

The ice maker heater used to release ice cubes is malfunctioning. This prevents ice cubes from being ejected properly, causing jams and production stoppage.

Medium severity2 fixes available

Quick Answer

Error EF on the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System means: Ice Maker Heater Failure. The top-ranked community fix is “Replace Ice Maker Heater Assembly” (medium difficulty, ~45 min, DIY cost: $40-$60). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · refrigerator

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

Root Cause Analysis

Heating Element FailurePrimary

When to Call a Professional

While many refrigerator repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $160-$210.

Other Thermador Models with Error EF

DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity

dishwasher · 2 fixes

Other Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System Error Codes

Evaporator Sensor Error

2 fixes

Freezer Defrost Heater Failure

2 fixes

Condenser Fan Motor Failure

2 fixes

Door Switch Fault

2 fixes

Ice Maker Thermostat Error

2 fixes

Compressor Overload

2 fixes

Refrigerant Leak Detected

2 fixes

Control Board Failure

2 fixes

People Also Ask About Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System Error EF

What does error code EF mean on a Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System?

Error code EF on the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System means: Ice Maker Heater Failure. The ice maker heater used to release ice cubes is malfunctioning. This prevents ice cubes from being ejected properly, causing jams and production stoppage.

How do I fix error code EF on my Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System?

The most successful fix is "Replace Ice Maker Heater Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $40-$60. HomeMD has 2 community-ranked fixes for this error.

Is error code EF on a Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System error EF myself?

Yes — the top-ranked community fix ("Replace Ice Maker Heater Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: Phillips screwdriver, Nut driver.

How much does it cost to repair Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System error EF?

DIY cost: $40-$60. Professional repair typically costs $160-$210. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System have?

The Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System has 8 other known error codes, including: E1 (Evaporator Sensor Error), E2 (Freezer Defrost Heater Failure), E3 (Condenser Fan Motor Failure), E4 (Door Switch Fault), E5 (Ice Maker Thermostat Error), and 3 more.

Which other Thermador models have the EF error?

Error code EF also appears on 1 other Thermador model: DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System have?

The Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System has 8 other known error codes:

E1 — Evaporator Sensor Error (2 fixes)
E2 — Freezer Defrost Heater Failure (2 fixes)
E3 — Condenser Fan Motor Failure (2 fixes)
E4 — Door Switch Fault (2 fixes)
E5 — Ice Maker Thermostat Error (2 fixes)
E6 — Compressor Overload (2 fixes)
E7 — Refrigerant Leak Detected (2 fixes)
E8 — Control Board Failure (2 fixes)

Which other Thermador models have the EF error?

Error code EF also appears on 1 other Thermador model:

DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity (dishwasher) · 2 fixes

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