Electrolux Dishwasher Error Code i46

The i46 code means the dishwasher detected an invalid pressure sensor calibration reading at startup. The sensor reported a signal that was too high despite the tub being empty, which prevents accurate water level detection. The machine responds by reverting to the last valid calibration and continuing the cycle. The fault should still be investigated to rule out a failing sensor or blockage.

The i46 code is non-critical, and the dishwasher is designed to continue operating using its previous calibration data when this fault occurs. Short-term use is generally acceptable, but the water level monitoring system is not operating at full accuracy. Running the machine repeatedly with an unresolved i46 fault carries a small risk of improper water fill levels, so it is best to diagnose and correct the issue promptly.

A power reset may temporarily clear the i46 code from the display, but it will not fix the underlying calibration problem. If the pressure sensor or hose issue persists, the fault will return the next time the dishwasher runs its startup calibration check. A reset is useful for confirming whether the fault is intermittent, but a proper physical inspection is necessary for a lasting repair.

In many cases, yes. Start by inspecting the pressure hose and air trap connected to the sump for blockages, trapped water, or detergent buildup, as these are the most common causes. Clearing a blocked hose or cleaning the sensor port requires no special tools and can resolve the fault. If the issue persists after physical inspection and cleaning, sensor replacement is likely needed and may require a technician depending on your comfort level.

If the cause is a blocked pressure hose or contamination, the repair may cost nothing beyond your own time. If the pressure sensor needs replacement, parts typically range from around $20 to $60 depending on the model, with professional labor adding $80 to $150 or more. A control board replacement, which is the least likely scenario, can cost significantly more in both parts and labor.