How a Whirlpool dishwasher reports a fault
A Whirlpool dishwasher reports genuine F#E# fault codes, written F-then-E. On a model with a display the code shows directly; on a control-board level the same fault drives the cycle to stop. Reading the code points an experienced technician at a specific part, from the inlet valve to the drain pump to the control board.
The codes you will see
F6E1 means no water fill — a closed supply valve, a stuck inlet valve or a stuck float — and F8E1 a low water level from low pressure or a clogged inlet screen. F9E1 means the unit will not drain, usually a clogged filter assembly or a kinked drain hose. F6E4 is the anti-flood sensor reacting to a leak in the base. F5E1 is a door-latch switch fault. F3E1 is an open water-temperature sensor and F7E1 a heating-element fault that leaves dishes wet. F1E1 (control board) and F2E1 (stuck keypad) point at the electronics.
What to check, and when to call
For an F9E1, clean the filter assembly and verify the drain-hose high loop — this resolves most drain faults. For an F6E1, confirm the supply valve is fully open and free the float. A recurring fill (F6E1), drain (F9E1), flood (F6E4) or control (F1E1) code needs an experienced, independent technician with the correct genuine OEM part. See the dishwasher error codes page or the error codes library, then book dishwasher repair.