For the Samsung Dishwasher families covered by the source set, **E7** means **temperature-sensor issue**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **E7**. Search normalization stores it as **E7** while preserving the characters a homeowner actually sees.
Reviewed by Ethan Mercer · Last reviewed August 17, 2026
Written by
Ethan Mercer Appliance Repair Content SpecialistPublished August 17, 2026Updated August 22, 2026Technically reviewed August 17, 2026
Content status:
Verified
Error codeE7
ApplianceDishwasher
Quick answer
Temperature-sensor issue.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so E7 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
For the Samsung Dishwasher families covered by the source set, **E7** means **temperature-sensor issue**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. The exact stage when the code appears can be as important as the characters themselves. Note whether it happens at startup, during fill, heating, cooling, draining, spinning, drying, or after a power event. The recorded display form is **E7**. Search normalization stores it as **E7** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
E7 can be accompanied by this pattern: the control may stop or limit operation because a temperature reading is missing or implausible.
While E7 is active, heating, cooling, drying, or defrost behavior can become inconsistent.
While E7 is active, the display can return at a similar stage each time the affected sensor is checked.
E7 can be accompanied by this pattern: e7 appears during the dishwasher function associated with temperature-sensor issue.
On affected Samsung dishwasher models, the cycle can stop, drain, fail to fill/heat, or repeat a stage.
Why it happens
Possible causes
varies by model — official regional/current support — Temperature-sensor issue
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
For E7, start by doing this: record when the code appears and whether the appliance had just heated, cooled, or defrosted.
As an external check for E7, confirm vents, doors, filters, and ambient conditions are normal where they affect the sensor reading.
As an external check for E7, use the exact model manual before assuming the sensor itself is defective.
For E7, start by doing this: record the code before resetting.
With E7 recorded, check water supply, drain path/filter, door, detergent/suds, and visible leaks only when relevant.
With E7 recorded, if the code reappears after the supported owner checks, request model-specific diagnosis.
Important safety warning. When working around a dishwasher that shows E7, keep the checks external and non-invasive. Stop use for active leakage near electrical parts, burning smell, or repeated breaker trips. Do not defeat leak or door-safety switches.
Get help
When to request repair service
Persistent temperature-sensor codes usually require resistance/connection checks at the sensor, harness, and control—work best done with the model-specific service procedure. A repeatable E7 event is more useful diagnostically than repeated resets, because it shows when the temperature-sensor issue check is failing.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Resetting can clear a temporary state, not a persistent issue. If **E7** comes back, preserve the code and move to the safe checks or model-specific service path.
Continue only if the appliance is otherwise safe and the owner-level checks are appropriate. Stop for leakage near electrical parts, smoke, burning odor, arcing, gas concerns, repeated breaker trips, uncontrolled heating, or unsafe temperatures.
Treat **E7** as a starting point, not a replacement instruction. Wiring, feedback signals, operating conditions, and electronic controls can mimic a failed component.
The same-looking code can be reused on another Samsung appliance family or reformatted by region/model year. Match the appliance type and exact model before applying a meaning. This page therefore keeps **Dishwasher E7** separate from same-looking codes used by other Samsung appliance families.
