On the LG WM4500HBA a low water level is often correct: LG says this is a high-efficiency washer, the water will not normally cover the clothes and the fill level is optimized for the wash motion. A level that is really too low comes from a supply problem, which shows as IE, or from the water level sensor, which shows as PE. For IE check the faucets, hoses, inlet filters and household pressure; for PE close the faucets, unplug the washer and call for service.
Differential
Likely causes of “LG front-load or top-load washer uses very little water or the water level looks wrong”, and how to tell them apart
- 1
Normal HE operation
What separates it Water is visible only at the bottom of the drum and clothes are damp, not covered
How to confirm Compare with LG's statement that the water will not normally cover the clothes
- 2
A supply problem
What separates it IE shows on the display and the fill is slow
How to confirm Check the faucets, hoses and inlet filters and test the household pressure
- 3
A water level sensor fault
What separates it PE shows and the level is wrong on a good supply
How to confirm Close the faucets, unplug the washer and call service
- 4
Faucets not fully open
What separates it Only a small trickle of water enters the drum
How to confirm Open the hot and cold faucets all the way
Before you touch a setting
Record this first — changing settings destroys the evidence
- The message on the display and how much water you see in the drum
- How strongly water flows from each faucet into a bucket
- Whether the load is very small and the cycle selected
Try in this order
0 of 5 completedConfirm what normal looks like
ReversibleLG says this is a high-efficiency washer; the water will not normally cover the clothes, and the fill level is optimized for the wash motion.
Check the faucets and hoses
ReversibleTurn both faucets on all the way and check the inlet hoses are not kinked or clogged, as LG's not-filling list says.
Clean the inlet filters
ReversibleUnplug the washer, close the faucets, remove the hoses and pull each filter out with pliers, soak in white vinegar and rinse.
Test the household pressure
ReversibleCheck another faucet in the house; if flow is low, contact a plumber to repair the supply lines. The washer needs 20 to 120 psi.
Read PE
ReversiblePE means the water level sensor is not working correctly. Close the faucets, unplug the washer and call for service.
Model-specific
What is true of this model and not of its siblings
- Water level
- HE washers use little water; clothes are not covered. IE = inlet error; PE = pressure sensor error.
- Parts for this problem on the WM4500HBA (RepairClinic, 2026-09-20)
- sensor assembly, part number EBD48922836, at $107.89; water valve, part number 5220FR2006Z, at $65.73.
- Other models this page answers
- These steps also fit models WM6500HBA, WM5500HWA, WM4200HWA, WM4000HWA, WM3600HWA, WM3400CW, WM8900HBA, WM9500HKA, WM6998HBA, WKEX200HBA, WKEX300HBA, WT8405CW, WT7900HBA, WT7400CW, WT7300CW, WT7150CW, WT6105CW, WD300CV.
Stop boundary
When this stops being a self-service repair
- !If PE shows, close the faucets, unplug the washer and call for service
- !If IE returns after the filters and hoses are clear, call LG service or a plumber for the supply
Evidence ledger
Sources behind this answer
LG USA support page listing this model's manuals and warranty.
Parts and list prices as shown on RepairClinic's parts search for this model number on 2026-09-20.
Exact questions
Common questions
Why is the water level so low in my LG WM4500HBA?+
It is a high-efficiency washer; the water will not normally cover the clothes, and the level is optimized for the wash motion.
Can hoses cause a low level?+
Yes. Kinked or clogged inlet hoses restrict the fill.
Do leak-limiting hoses matter?+
LG does not recommend them; they can trip falsely and prevent the washer from filling.