Haier’s portable-washer page identifies E4 as a filling issue. For a washer covered by that reference, confirm that the supply is turned on and report low or absent incoming water. The code does not prove a failed inlet valve.

Use the matching owner instructions for any connection or pressure check. If filling remains unsuccessful, contact Haier with the model and findings. Don’t apply a portable-washer procedure to a combination washer/dryer. Find the correct Haier document and support route.

Samsung’s UK reference lists E4 with load imbalance and 4E with water supply. For an applicable imbalance warning, wait for a normal stop and unlock before correcting the load under the owner instructions. Note whether the washer is on stable support and whether a bulky or uneven load accompanied the interruption.

For an actual 4E or 4C display, use Samsung’s filling route. For repeated imbalance, use the Samsung imbalance guide with its own applicability limits. Neither observation alone proves a failed component.

Keep the meaning unresolved until the model’s code table confirms it. Record whether the interruption occurred during filling, draining or spin, and whether water remains. Those observations help the manufacturer identify the right check without opening the machine.

Use the brand-and-code directory or find the full model identifier. Don’t follow a reset sequence merely because another washer displays the same characters.