What does my washer’s “auto” or “sensing” cycle do before washing begins?
Quick answer
“Auto” or “sensing” can mean different things depending on the washer and selected cycle, so check your model’s manual for the expected sequence. For some LG washers, a slow tub spin before water enters is an intentional load-weighing step; that behavior and its timing are not universal.[S1] If the display seems stuck, record what changes and compare your observations with the manual before deciding what to do next.
The question, the details, the next step.
I press Start, the display says “sensing,” and the drum turns slowly without filling. Is it supposed to do that?
It can be normal on some models. LG says some washers slowly turn the tub after Start to weigh the laundry, without supplying water immediately.[S1] That example applies to some LG washers; it does not establish what every brand or model does. Check your washer’s manual for the meaning of its indicator and the expected sequence for your selected cycle.
Note whether the tub moves, water enters, or the display changes. Don’t assume there is one timing limit for all washers: LG’s guidance distinguishes models and says product details can differ.[S1]
How do I tell an ordinary sensing pause from a cycle that might not be progressing?
Look for changes as well as elapsed time. Is the tub moving? Has the display changed to another stage or shown an estimated time? Has water begun to enter? Compare what you observe with the instructions for your exact model and selected cycle.
Cycle duration can vary by cycle and options. LG also lists load characteristics, water-supply conditions, and the washer’s response to excessive suds or an unbalanced load as possible reasons a cycle takes longer.[S2] These are possibilities, not a diagnosis. If the sensing message remains unchanged, note how long it has been displayed and whether anything else changes. Consult the manual’s troubleshooting guidance; if the concern continues, contact the manufacturer or a qualified service provider.[S2]
What details should I write down before I look up the manual or ask for help?
Record the washer’s brand and model as shown on its identification label, the selected cycle and options, the exact display wording or indicator, and what the tub and water are doing. Note how long you observed the same state and whether the cycle eventually moved on. Avoid sharing a photo if it reveals unrelated personal details.
For example: “Model: [model number]. Cycle: [cycle] with [options]. Display: ‘Sensing.’ After [observed time], tub [slowly turns/does not turn]; water [has/has not] entered; display [changed/did not change].” This describes what happened without claiming a cause.
Can I use a timing rule from another washer, or should I try changing the load to test it?
Don’t treat another model’s timing as a rule for yours. LG gives about 40 seconds as an example for newer models with its weighing function, while noting that older models may fill immediately; it directs readers to the model’s manual because details differ.[S1] That example does not establish a suitable wait time for your washer.
Follow the manual’s instructions for your model and cycle. If it does not clarify the behavior, share your observation notes with the manufacturer or a qualified service provider. A factual description can help explain the symptom, but it cannot by itself confirm the cause.
A practical checklist
Find the washer’s exact model number and consult its manual.
Record the selected cycle, options, and exact sensing message or indicator.
Note tub movement, water entry, display changes, and elapsed time.
Compare the sequence with the model-specific manual, not another washer’s timing.
If the unchanged state continues to concern you, share your notes with the manufacturer or a qualified service provider.
A few more useful answers
Does “sensing” mean the washer is broken?
Not by itself. The indicator’s meaning depends on the model. Check the manual and note whether the cycle progresses.
Is a slow turn without water always normal?
No single behavior applies to every washer. LG describes this as an intentional weighing step on some models, but that example is not a universal rule.[S1]
Why might the displayed cycle time stay the same?
LG says cycle duration can vary with the cycle and options, and lists load characteristics, water-supply conditions, and responses to suds or load imbalance as possible factors.[S2] Those possibilities do not identify the cause for a particular washer.
Sources
References used for this guide.
- [S1] LG Washer: My Washing Machine Is Not Adding Water lg.com · Checked
- [S2] LG Washer: Cycle Time Does Not Change lg.com · Checked