What F1E1 Means
F1E1 flags a stuck relay on the dishwasher's electronic control board — the board has detected that a relay controlling one of the wash functions isn't switching the way it's being commanded to.
Common Causes of F1E1
- Failed relay on the electronic control board
- Control board damage from a power surge
- Loose or corroded connector at the control board
🔧 One Safe Check You Can Try
Power-cycle the dishwasher at the breaker for a couple of minutes; if F1E1 returns on the next cycle attempt, that confirms a genuine control-board relay fault rather than a one-time glitch.
⚠ Why You Shouldn't Go Further Than That
- The control board is the single component that manages every wash function — opening it up without proper diagnostic equipment risks damaging a board that might otherwise be repairable.
- A board swapped without confirming the fault is genuinely on the board (rather than a wiring issue feeding it) can leave the exact same code showing after the expensive part is replaced.
- Control-board access on most models means removing the inner door panel, which can affect your remaining warranty coverage — check your terms first.
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.