What 1E / IE Means
Samsung’s US dishwasher article gives 1E and IE two meanings depending on the wash system: on WaterWall models it is a clogged filter error, and on rotary (spray arm) models it is a high-temperature heater error. On a Samsung washer the same characters mean the leak sensor, which is why this entry is scoped to the dishwasher. Samsung’s step for WaterWall is to clean the fine filter at the bottom of the tub; for rotary models it is a thirty-second power-off at the breaker, then an empty Normal cycle with detergent.
Common Causes of 1E / IE
- Fine filter clogged with food debris (WaterWall)
- Heater or its sensor reporting too high a temperature (rotary)
- Filter assembly refitted incorrectly after cleaning
🔧 One Safe Check You Can Try
First find out which system you have: a sliding bar at the bottom of the tub means WaterWall, a rotating arm means rotary. On WaterWall, with the dishwasher switched off at the breaker and the water inside cooled, lift out the lower rack, twist out the filter assembly, rinse the fine mesh under a tap and refit it fully seated. On rotary, switch the breaker off for thirty seconds and back on, empty the dishwasher, fill the detergent dispenser and start a Normal cycle. If 1E returns after the correct step, the filter housing or the heater and its sensor need a technician.
⚠ Why You Shouldn't Go Further Than That
- A heater over-temperature problem on a rotary model is a mains-voltage part under the tub; testing it means the dishwasher pulled out and its base open.
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.

