Kenmore Dishwasher 8-1 / F8E1 Error: Slow or Failed Drain
The kenmore dishwasher 8-1 / f8e1 error is a fault signal from the control board — this guide walks through what it means, common causes, and safe diagnostic steps. What Does Kenmore Dishwasher Error Code 8-1 / F8E1 Mean? Error code 8-1 — also shown as F8E1 — on Kenmore HE dishwashers means the dishwasher […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. A dishwasher with standing water after every cycle is not sanitary and the trapped water will develop odors and bacteria. Additionally, if the pump is being damaged by an obstruction, continued use accelerates motor failure. Repair before the next cycle.
Can I reset the code?
Yes. Pressing Cancel/Drain initiates a drain-only cycle that may clear 8-1 / F8E1 if draining succeeds after a fresh attempt. If the blockage or pump fault persists, the code returns on the next main cycle drain phase.
When to stop immediately?
Stop if you notice: Several inches of standing water in the tub after a full Cancel/Drain cycle — the pump is not moving water at all, Drain pump is audibly silent during the drain phase — motor has likely failed.
Symptoms You May Notice
Standing water visible in the bottom of the tub after a cycle ends
The most obvious sign: opening the Kenmore dishwasher after a cycle reveals a pool of dirty water in the tub floor, indicating the drain pump did not remove all water within the allotted drain time.
Dishwasher displays 8-1 or F8E1 at the end of the cycle or mid-cycle during a drain phase
The code can appear at any point where the board initiates a drain — at the start of the wash phase (to drain pre-rinse water), between cycles, or at the final drain — if the pump is not moving water at the required rate.
Drain pump hums but water level in tub does not drop during draining
An audible hum from the drain pump confirms it is receiving power, but if an obstruction is blocking the pump impeller, water will not move despite the motor running — a distinctive symptom that points to a physical blockage rather than an electrical failure.
Foul or sewage-like odor emanates from the dishwasher tub
Wash water that sits trapped in the tub and drain hose between cycles begins to develop a stagnant, sulfur-like smell that wafts out as soon as the door is opened, even before any visible pooling is noticed.
Possible Causes
Blocked drain filter, food trap, or drain hose
The cylindrical fine filter and coarse filter in the tub floor, as well as the drain hose that exits under the sink, are common points for food debris, glass, or labels to accumulate and restrict drain flow.
DIY PossibleForeign object lodged in the drain pump impeller
A seed, broken glass shard, or piece of hard plastic can wedge between the pump impeller blades and prevent rotation. The pump motor may still hum or buzz but will not move water against the blockage.
DIY PossibleFailed drain pump motor
The drain pump motor winding has burned out — often from prior overheating caused by running against an obstruction. The pump is electrically silent (no hum) and moves no water. The pump assembly must be replaced.
DIY PossibleSafe Checks You Can Do
-
1
Clean the dishwasher filter assembly and inspect the drain area
Remove the lower rack. Twist and lift the cylindrical fine filter and the flat coarse filter from the tub floor. Rinse both filters under warm running water and use a soft brush to remove debris. Inspect the exposed sump area below for glass, seeds, or labels. Reinstall filters and run a Cancel/Drain cycle to test.
Kenmore recommends cleaning the filter monthly on HE models. A neglected filter is the single most common cause of 8-1 / F8E1 and cleaning it is free and takes under five minutes.
-
2
Check the drain hose for kinks or high-loop compliance
Under the sink, trace the drain hose from the back of the dishwasher to the sink drain or garbage disposal. Confirm there are no kinks in the hose and that the hose rises to at least the top of the cabinet interior before connecting — this high loop prevents backflow that can mimic a drain fault. If the dishwasher drains into a garbage disposal, confirm the disposal knockout plug was removed at installation.
A drain hose connected directly to the disposal inlet without a high loop will allow water to siphon back into the tub when the disposal is off, causing repeated 8-1 / F8E1 codes that appear unrelated to any mechanical issue.
When to Call a Professional
Contact a qualified technician if:
- Drain pump motor shows no continuity (OL) on resistance test — requires pump assembly replacement
- Obstruction in the pump impeller cannot be reached without removing the pump assembly from the sump
- F8E1 persists after pump replacement — indicating a control board drain relay or wiring fault
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
Dishwasher Repair Service Schedule Appointment