Whirlpool Washer E01 Error Code: Meaning, Causes & Fix

Part of a split F-code display — E01 is the second half of codes like F8E1/F9E1; read it together with the F-code shown alternately (on this platform the common pairing for drain topics is F9 E1 = drain pump system error).

Whirlpool Duet-era displays alternate between the F-half and the E-half of a fault code: the panel shows 'F9', then 'E1', and owners understandably search 'E01' alone. E01 by itself is not a complete code. The pairings that end in E1 include F9E1 (drain pump system/long drain — the most common), F8E1 (long fill) and F7E1 (motor speed signal). The fix is to watch the display for a full alternation cycle and diagnose the complete code. The two pairings behind most E01 searches deserve separating cleanly, because they send you to opposite ends of the machine. When the F-half is F03 (written F3 in the short spelling), the completed code F3E1 is a water-level sensing fault: the main control is receiving a pressure signal it cannot trust. The manuals put the sensing path first — a thin air hose running from the control area down to an air trap on the tub — and the printed suspects are physical: the hose pinched, kinked, plugged with residue, or leaking air so the trapped pressure bleeds away. Nothing in that list is electronic, which is why F3E1 so often follows moving the washer, stacking laundry supplies on top of it, or years of detergent residue building up inside the trap port. When the F-half is F09 (F9 in short spelling), the completed code F9E1 is a drain pump system error: the pump was commanded to empty the tub and the level did not fall in the time allowed. Its printed suspects live at floor level — the pump trap and filter where fitted, the drain hose run, and the standpipe the hose empties into. Same E01 tail, two unrelated workshops: one is an air hose you can inspect in minutes, the other is a water path you clear with a tray and towels. Reading the F-half is therefore not pedantry; it decides whether you open a packet of towels or go looking for a kinked tube.

What causes the E01 code on a Whirlpool washer?

An incomplete reading of an alternating display

The F-half scrolled past unnoticed.

F3E1 branch: residue plugging the tub's air-trap port

The pressure hose reads the tub's water level through a small port that breathes air as the tub fills. Detergent and soil residue gradually narrow that port until the trapped air no longer tracks the real level, and the control flags the implausible signal as F3E1. This branch explains the code appearing on a machine that fills and drains apparently normally — the water handling is fine; the reporting is what failed.

F3E1 branch: the hose disturbed during a move or a deep clean

Because the sensing hose is thin and lightly routed, sliding the washer out for cleaning, replacing inlet hoses, or leaning the machine back can pinch it against the cabinet or pull it partly off its port. An F3E1 that starts immediately after the machine was moved belongs to this branch until the hose run has been inspected end to end.

F9E1 branch: the trap that has never been opened

On front-loaders with a user-accessible pump trap, the trap is a maintenance item that many owners never learn exists. Coins, hairpins, buttons and lint mats accumulate there for years, and F9E1 is frequently the first announcement that the collection is complete. The code is doing the owner a favour: the same mat left in place eventually stalls the pump itself.

F9E1 branch: a standpipe problem outside the machine

The manuals check the installation, not just the appliance: a drain hose pushed farther than about 4.5 inches (114 mm) into the standpipe, a hose end higher than 96 inches (2.4 m) above the floor, or a house drain that is itself slow can all make a healthy pump look failed. F9E1 after plumbing work, a move, or a new installation should start at the standpipe, not at the pump.

Checks to run before you replace anything

1. Watch the display for 10–15 seconds to catch both halves (e.g. F9 → E1).
2. Match the symptom: standing water = F9E1 drain group; never filled = F8E1 fill group; no drum movement = F7E1 motor group.
3. Before touching anything, decide which pairing you own: watch the display through at least two full alternations and write the pair down in the order shown, then sanity-check it against the tub — standing water supports the F9 reading, an empty or normally drained tub with odd fill behaviour supports the F3 reading.
4. F3 branch: with the machine unplugged, follow the thin pressure hose from the control area to the tub port. It should be unpinched along its whole run, firmly seated at both ends, and free of water or residue inside it; a hose holding water droplets is a hose that has been reading the tub wrongly.
5. F9 branch: run a Drain and Spin with the tub empty and listen at floor level. A pump that hums and churns while little water moves points at the trap or hose; a pump that is silent on a drain command points at the pump's electrical side; a pump that drains an empty tub briskly but failed under a load points back at a partial trap blockage.
6. F9 branch: check the standpipe measurements the manuals print — hose inserted no more than about 4.5 inches, hose end no higher than 96 inches above the floor, and no airtight taped seal between hose and pipe.

How to fix the E01 error code

1. Diagnose the completed code using its own guide (drain, fill, or motor family).
2. F3 branch: clear the air-trap port and hose first — remove the hose, confirm it passes air freely, clear residue from the tub port, and refit it snugly with its run unpinched. Only if the hose and port prove sound does the sensing hardware itself become the suspect, and on direct-drive top-loaders that hardware lives on the main control rather than in a separate sensor you can swap.
3. F9 branch: open the pump trap slowly over a shallow tray (the tub's remaining water comes out here, in stages), clear whatever the trap has collected, refit it fully, then clear the drain hose and confirm the standpipe takes water freely before condemning the pump.
4. Either branch: after the physical fix, run the matching test — a fill-and-watch cycle for F3E1, an empty Drain and Spin for F9E1 — and let the machine prove the repair under the same conditions that produced the code.

The part that usually fails: Depends on the completed code

E01 alone doesn't identify a part — the F-half does.

How to reset / clear the E01 code

Per the completed code's procedure after its cause is fixed.

Whirlpool-built washers clear most codes with a power reset: unplug for 1 minute (top-load models with a cycle-status display sometimes need the lid opened and closed 6 times within 12 seconds after power is restored — the well-known lid-sequence calibration/clear procedure on VMW top-loaders). Codes stored in the control's fault history remain readable in diagnostic mode even after they stop showing on the display, which is why a code that 'went away' can still be found by a technician.

Why does the E01 code keep coming back?

If the display truly never shows an F-half, the display/board may be dropping segments — photograph it for a technician. A pairing that returns tells you which half of its own checklist was skipped. F3E1 returning after a hose clear usually means the residue is in the tub-side port rather than the hose, or the hose is leaking air at a fitting that only shows under vibration — reseat both ends before suspecting electronics. F9E1 returning after a trap clean usually means the restriction lives downstream (hose or house drain) or the pump is weakening: it moves an empty tub's water but cannot sustain flow against a full load's head. In both cases the returning code is information, not defiance — it narrows the same system further rather than opening a new one.

How to stop E01 coming back

• An incomplete reading of an alternating display: The F-half scrolled past unnoticed.
• F3E1 branch: residue plugging the tub's air-trap port: The pressure hose reads the tub's water level through a small port that breathes air as the tub fills. Detergent and soil residue gradually narrow that port until the trapped air no longer tracks the real level, and the control flags the implausible signal as F3E1. This branch explains the code appearing on a machine that fills and drains apparently normally — the water handling is fine; the reporting is what failed.
• F3E1 branch: the hose disturbed during a move or a deep clean: Because the sensing hose is thin and lightly routed, sliding the washer out for cleaning, replacing inlet hoses, or leaning the machine back can pinch it against the cabinet or pull it partly off its port. An F3E1 that starts immediately after the machine was moved belongs to this branch until the hose run has been inspected end to end.

Retrieving stored fault codes on Whirlpool washers

Whirlpool platforms have a well-documented diagnostic mode. On front-load (Duet and later) models: with the machine in standby, press and hold any one button for 3 seconds, release for 3 seconds, repeat for a total of three holds — the display lights up and shows stored fault codes (F-codes with E-suffixes), which you step through with the same button. On top-load VMW models (most Maytag/Whirlpool/Kenmore top-loaders since ~2010): turn the cycle knob with a specific left/right sequence (commonly counterclockwise once, then clockwise three, counterclockwise one, clockwise one) until all status LEDs light, then use the knob to read fault codes as LED blink patterns. The tech sheet inside the cabinet lists the exact sequence and code chart for your model — use it rather than a generic chart, because code meanings shifted between Duet, Cabrio/Bravos and VMW generations.

Other Whirlpool washer error codes

See the full list on the Whirlpool Washer error codes hub.

Codes E01 gets confused with

F3E1 — Pressure system fault — the main control detects an out-of-range pressure (water level) signal (written F03 E01 on zero-padded displays). F3E1 indicts the level-sensing system: the pressure signal reaching the control is out of range or implausible.

E1 — The E-half of an alternating Whirlpool F-code (see E01) — or, on Whirlpool's stacked laundry centers, a standalone E1 'water inlet alarm' (the correct water level has not been reached within 20 minutes). A standalone E1 is never a washer SENSOR code in Whirlpool's documentation: sensor faults are full F-pairs (F3E1 level system, F3E2 inlet temperature). Identify the full code from the display before diagnosing. [Sensor footnote corrected 2026-10-28, verification pass: Whirlpool/Maytag tech sheets + product help.] Like E01, a lone 'E1' is usually an incomplete read on Whirlpool's alternating displays: the fault is the F-code it pairs with (F9E1 drain, F8E1 fill, F7E1 motor are the E1 pairings).

F21 — Long drain — the washer is taking too long to drain (Whirlpool's drain fault; F9E1 is its sibling rendering on Duet platforms). F21 means the control ran the drain pump and the water level didn't fall fast enough.

F9E1 — Drain pump system error — long drain / drain failure (Duet-platform rendering of the F21 fault). F9E1 is Whirlpool's drain fault on the Duet/VMW-era code system: the pump ran and the level didn't fall in time.

Working from a symptom instead? Read our troubleshooting guide for this problem.

Frequently asked questions

Related guides

Facts on this page were checked against manufacturer documentation: manualowl.com · manualowl.com · producthelp.whirlpool.com · producthelp.whirlpool.com · producthelp.whirlpool.com · producthelp.whirlpool.com · producthelp.whirlpool.com · producthelp.whirlpool.com · nelihome.com · nelihome.com