What E 35 / E 75 Means
E 35 and E 75 mean the AC input voltage is too low at the three-zone module. The service steps are the same as for high voltage: verify the input, the cables, screws and jumpers, then the filter board.
Common Causes of E 35 / E 75
- Half-tripped breaker
- Loose input connection
- Low supply voltage
🔧 One Safe Check You Can Try
Check that both halves of the cooktop breaker are fully on. Note whether lights dim when the cooktop runs.
⚠ Why You Shouldn't Go Further Than That
- Loose 240 V connections can overheat.
- Supply problems need an electrician.
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.

