❄️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 E1 Error Fix: Evaporator Sensor Error

This error indicates the evaporator temperature sensor is malfunctioning or disconnected. It triggers when the sensor reads out of range or no signal is detected, causing the refrigerator to stop cooling properly.

High severity2 fixes available

Quick Answer

Error E1 on the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System means: Evaporator Sensor Error. The top-ranked community fix is “Replace Evaporator Sensor” (medium difficulty, ~30 min, DIY cost: $20-$40). 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

Sensor MalfunctionPrimary

When to Call a Professional

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

This is a high severity error — continued use may cause damage or a safety hazard
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: $120-$180.

Other Thermador Models with Error E1

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

dishwasher · 2 fixes

ME302WS Masterpiece Wall Oven

oven · 1 fix

T18IF905SP 18 in Column Freezer with 5.1 cu ft Capacity and LED Lighting

refrigerator · 2 fixes

T36BB925SS 36 in 20.9 cu ft Freedom® Collection Built-In French Door Refrigerator with ThermaFresh System

refrigerator · 2 fixes

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

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

Temperature Sensor Open Circuit

2 fixes

People Also Ask About Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System Error E1

What does error code E1 mean on a Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System?

Error code E1 on the Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System means: Evaporator Sensor Error. This error indicates the evaporator temperature sensor is malfunctioning or disconnected. It triggers when the sensor reads out of range or no signal is detected, causing the refrigerator to stop cooling properly.

How do I fix error code E1 on my Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System?

The most successful fix is "Replace Evaporator Sensor" (medium difficulty, ~30 minutes). Estimated DIY cost: $20-$40. HomeMD has 2 community-ranked fixes for this error.

Is error code E1 on a Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System error E1 myself?

Yes — the top-ranked community fix ("Replace Evaporator Sensor") is rated medium difficulty and takes about 30 minutes. Tools needed: Phillips screwdriver, Multimeter, Nut driver set.

How much does it cost to repair Thermador T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System error E1?

DIY cost: $20-$40. Professional repair typically costs $120-$180. 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: E2 (Freezer Defrost Heater Failure), E3 (Condenser Fan Motor Failure), E4 (Door Switch Fault), E5 (Ice Maker Thermostat Error), E6 (Compressor Overload), and 3 more.

Which other Thermador models have the E1 error?

Error code E1 also appears on 4 other Thermador models: DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity, ME302WS Masterpiece Wall Oven, T18IF905SP 18 in Column Freezer with 5.1 cu ft Capacity and LED Lighting, T36BB925SS 36 in 20.9 cu ft Freedom® Collection Built-In French Door Refrigerator with ThermaFresh System. 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:

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)
E9 — Temperature Sensor Open Circuit (2 fixes)

Which other Thermador models have the E1 error?

Error code E1 also appears on 4 other Thermador models:

DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity (dishwasher) · 2 fixes
ME302WS Masterpiece Wall Oven (oven) · 1 fix
T18IF905SP 18 in Column Freezer with 5.1 cu ft Capacity and LED Lighting (refrigerator) · 2 fixes
T36BB925SS 36 in 20.9 cu ft Freedom® Collection Built-In French Door Refrigerator with ThermaFresh System (refrigerator) · 2 fixes

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