Heater error

Run a normal cycle and check if the water is hot during the wash phase — open the door mid-cycle (carefully) and feel the water temperature. It should be 120-140 °F during the main wash
Access the heating element from below the tub by removing the lower access panel. Test the heater for continuity — it should read 15-30 ohms. An open reading means the element has burned out
Check the heater wiring for damage or disconnection at the control board end. Samsung dishwasher heater wires run through a tight space near the sump and can chafe on sharp edges
Test the thermistor (temperature sensor) near the sump — it should read approximately 10-15 k-ohm at room temperature. A failed thermistor can prevent the board from activating the heater
Pro Diagnostic Tip
Samsung dishwasher heater elements tend to fail with a visible crack or blister near the center of the loop. Before testing electrically, visually inspect the element through the bottom of the tub with a flashlight — a physical crack is definitive diagnosis.
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$175–$375
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Error code HE is a high-severity issue that can cause further damage to your dishwasher if left unresolved. A licensed technician can diagnose and fix it the same day.
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Samsung error code HE indicates: Heater error. This is a high-severity issue affecting your dishwasher.
Run a normal cycle and check if the water is hot during the wash phase — open the door mid-cycle (carefully) and feel the water temperature. It should be 120-140 °F during the main wash Then, Access the heating element from below the tub by removing the lower access panel. Test the heater for continuity — it should read 15-30 ohms. An open reading means the element has burned out Then, Check the heater wiring for damage or disconnection at the control board end. Samsung dishwasher heater wires run through a tight space near the sump and can chafe on sharp edges There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
Besides the error code on the display, common signs include: Dishes not drying properly; Cycle completes but dishes are cold; Sanitize cycle does not reach target temperature. If you notice any of these symptoms, check your dishwasher's display panel for error code HE.
Repair costs for Samsung HE typically range from $175 to $375 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.