Haier Dishwasher Error Code LED1:1 LED2:1 LED3:1 LED4:0 LED5:0

The LED1:1 LED2:1 LED3:1 LED4:0 LED5:0 error code on a Haier dishwasher indicates a water overflow condition in the base of the unit. This code is triggered when water accumulates in the bottom case, the sealed drip tray located beneath the dishwasher's inner tub. A float-style overflow switch, also called a water overflow or anti-flood switch, sits in this tray and activates when rising water lifts the float to a certain level. Once triggered, the control board reads this switch signal and halts normal operation to prevent further water ingress and potential floor damage.

The overflow condition can originate from several sources. A cracked or deteriorated door gasket allows water to escape the wash compartment during cycles and pool in the base. Similarly, loose or damaged internal hose connections, a failing pump seal, or a cracked tub can introduce water into the bottom case over time. Excessive sudsing from using non-dishwasher-specific detergent is another frequent cause, as foam can bypass seals and drip down into the tray. In some cases, the overflow switch itself can malfunction, sticking in the activated position even when no water is present, which causes a false positive error.

Diagnosis begins by tilting the dishwasher forward carefully to drain any standing water from the bottom case, then inspecting all internal components for active leaks. The overflow switch should be tested for continuity in its resting state and confirmed to reset freely once the tray is dry. If the switch does not reset or shows a fault in the absence of water, replacement of the switch is necessary before further testing.