What E05 Means
E05 indicates the heating element's temperature sensor has failed on the affected zone.
Common Causes of E05
- Failed zone temperature sensor
- Damaged sensor wiring
- Connector fault between the sensor and control board
🔧 One Safe Check You Can Try
There isn't a safe at-home test for this — sensor testing requires the unit de-energized and technician-level access beneath the glass.
⚠ Why You Shouldn't Go Further Than That
- The sensor sits beneath the glass surface alongside induction coils carrying significant current — access without power isolation is a shock risk.
- A sensor reinstalled even slightly out of position continues to misread temperature even after being serviced.
- This fault can be confused with a full zone electronics failure, risking replacement of a much more expensive component than necessary.
- Glass-surface access on most models requires specialized tools to avoid cracking the cooktop during disassembly.
- Accessing components beneath the glass typically voids the remaining warranty.