What E1 Means
E1 on an induction cooktop is a temperature sensor problem — the board isn't getting a valid reading from the sensor that monitors the induction coil or glass surface temperature.
Common Causes of E1
- Sensor has failed
- Sensor wiring connection has failed
- Control board input circuit has failed
🔧 One Safe Check You Can Try
There's no safe DIY check — the sensor sits beneath the glass cooktop surface, not accessible without removing the cooktop from the counter cutout.
⚠ Why You Shouldn't Go Further Than That
- Reaching the sensor means pulling the cooktop from its countertop cutout, which is not a reasonable DIY step.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.
Technical Reference
- Code
- E1
- Appliance
- Monogram cooktop
- Maker documentation
- Monogram owner manuals and use & care guides
- Checked
- September 2026
Code meanings can change between control generations. Before acting on a code, match the full model number on your appliance's rating label against the manual for that model. We are an independent repair service, not affiliated with Haier US Appliance Solutions, Inc.