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Thermador · ME302WS Masterpiece Wall Oven

Thermador ME302WS Masterpiece Wall Oven E8 Error Fix: Oven Door Sensor Error

The oven door sensor is reporting an open or short circuit, preventing the oven from operating for safety reasons. This can be caused by a faulty sensor or wiring issues.

High severity2 fixes available

Quick Answer

Error E8 on the Thermador ME302WS Masterpiece Wall Oven means: Oven Door Sensor Error. The top-ranked community fix is “Replace Oven Door Sensor” (medium difficulty, ~25 min, DIY cost: $25-$40). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · oven

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

Sensor Malfunction → Door Switch Faulty

When to Call a Professional

While many oven 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: $100-$140.

Other Thermador Models with Error E8

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

dishwasher · 2 fixes

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

refrigerator · 2 fixes

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

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 ME302WS Masterpiece Wall Oven Error Codes

Control Board Malfunction

1 fix

E10

High Temperature Limit Exceeded

Latch Switch Fault

Oven Fan Motor Failure

2 fixes

E13

Gas Valve Solenoid Failure

Igniter Failure

Thermal Fuse Blown

Oven Light Circuit Fault

2 fixes

People Also Ask About Thermador ME302WS Masterpiece Wall Oven Error E8

What does error code E8 mean on a Thermador ME302WS Masterpiece Wall Oven?

Error code E8 on the Thermador ME302WS Masterpiece Wall Oven means: Oven Door Sensor Error. The oven door sensor is reporting an open or short circuit, preventing the oven from operating for safety reasons. This can be caused by a faulty sensor or wiring issues.

How do I fix error code E8 on my Thermador ME302WS Masterpiece Wall Oven?

The most successful fix is "Replace Oven Door Sensor" (medium difficulty, ~25 minutes). Estimated DIY cost: $25-$40. HomeMD has 2 community-ranked fixes for this error.

Is error code E8 on a Thermador ME302WS Masterpiece Wall Oven serious?

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

Can I fix Thermador ME302WS Masterpiece Wall Oven error E8 myself?

Yes — the top-ranked community fix ("Replace Oven Door Sensor") is rated medium difficulty and takes about 25 minutes. Tools needed: Phillips screwdriver.

How much does it cost to repair Thermador ME302WS Masterpiece Wall Oven error E8?

DIY cost: $25-$40. Professional repair typically costs $100-$140. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Thermador ME302WS Masterpiece Wall Oven have?

The Thermador ME302WS Masterpiece Wall Oven has 8 other known error codes, including: E1 (Control Board Malfunction), E10 (High Temperature Limit Exceeded), E11 (Latch Switch Fault), E12 (Oven Fan Motor Failure), E13 (Gas Valve Solenoid Failure), and 3 more.

Which other Thermador models have the E8 error?

Error code E8 also appears on 4 other Thermador models: DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity, T18IF905SP 18 in Column Freezer with 5.1 cu ft Capacity and LED Lighting, T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System, 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 ME302WS Masterpiece Wall Oven have?

The Thermador ME302WS Masterpiece Wall Oven has 8 other known error codes:

E1 — Control Board Malfunction (1 fix)
E10 — High Temperature Limit Exceeded (2 fixes)
E11 — Latch Switch Fault (1 fix)
E12 — Oven Fan Motor Failure (2 fixes)
E13 — Gas Valve Solenoid Failure (2 fixes)
E14 — Igniter Failure (2 fixes)
E15 — Thermal Fuse Blown (2 fixes)
E16 — Oven Light Circuit Fault (2 fixes)

Which other Thermador models have the E8 error?

Error code E8 also appears on 4 other Thermador models:

DWHD660WFM 24 in 42 dBA Sapphire Series Dishwasher with Star Dry and WiFi Connectivity (dishwasher) · 2 fixes
T18IF905SP 18 in Column Freezer with 5.1 cu ft Capacity and LED Lighting (refrigerator) · 2 fixes
T30IR905SP 30 in Column Refrigerator with 15.5 cu ft Capacity, WiFi, and ThermaFresh System (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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