Thermador Oven Error Code E171: How to Fix It

Q: What causes Thermador oven error code E171?

Error code E171 is caused by the oven receiving higher than normal voltage, typically due to electrical supply issues, faulty wiring, or problems with your home's electrical system rather than the oven itself.

Q: Is it safe to use my Thermador oven with E171 error?

No, never use the oven when E171 appears. High voltage can damage internal components and create safety hazards. Disconnect power immediately and have the issue diagnosed professionally.

Q: Can I fix Thermador E171 error myself?

While you can check basic connections and voltage readings, E171 typically requires professional diagnosis and repair due to the electrical nature of the problem and potential safety risks.

Q: How much does it cost to fix Thermador oven E171 error?

Repair costs vary depending on the root cause. If it's a home electrical issue, electrician fees range from $200-500. If oven components were damaged, Thermador service calls typically cost $300-600 plus parts.

Q: Will Thermador E171 error damage my oven permanently?

Continued exposure to high voltage can damage the control board, heating elements, and other electronic components. Addressing the error quickly helps prevent permanent damage to your oven.

Abstract

Thermador oven error code E171 indicates a power supply high voltage issue, meaning your oven is receiving more electrical power than it's designed to handle. This is a serious electrical problem that can damage your oven's internal components and requires immediate attention to prevent further damage.