Blomberg Oven E03 Error Code — Meaning & Repair Cost (2026)
Built-in oven PT500 temperature-sensor fault. Below: the most likely causes, and what the matching repair costs — Estimated national ranges with a metro localizer. Reviewed July 2026.
What E03 means
Built-in oven PT500 temperature-sensor fault.
Likely causes, most common first
- An open or short in the oven PT500 thermo-sensor or its wiring on the shared built-in-oven control system, so the oven cannot read or hold temperature.
Base: 1 published national repair-cost guide (retrieved 2026-07) · full source registry on the methodology page · Code meaning & causes · Reviewed July 2026
What it usually costs to fix Estimated
E03 on a Blomberg oven resolves to the wall oven temperature incorrect / uneven problem. We don't yet publish a verified parts factor for Blomberg, so the ranges below use the mainstream baseline.
$100–$600 national estimate to fix the fault behind E03. Enter a ZIP to localize.
| Most common repair | Typical total | DIY? |
|---|---|---|
| Oven temperature sensor replacement | $100–$250 | DIY possible |
| Control board / thermostat replacement | $200–$600 | Pro recommended |
Plus a typical service-call / diagnostic fee of $75–$150, often credited toward the repair.
Pick a quality tier for a class-typical estimate, or a specific brand to override it (brand adjusts the parts portion only). Enter a ZIP or Canadian postal code to localize to your metro's labor costs. Everything updates without a page reload; no data leaves your browser except the shard lookup.
Base: 2 published national repair-cost guides (retrieved 2026-07) · full source registry on the methodology page · National base range (BLS OEWS May 2025 + BEA RPP 2024) · Reviewed July 2026 · Estimated
Codes are universal — your location changes the repair price, never the code's meaning. See the methodology for the exact localization formula and sources.
Reviewed by a Red-Seal certified appliance technician.