Model review · LG

LG NeoChef MSER1590S review

A mid-size sensor and inverter microwave with number-key controls.

Research checked 2026-10-19 · Our editorial approach

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LG NeoChef MSER1590S manufacturer image
LG NeoChef MSER1590S manufacturer product image. Manufacturer promotional artwork; badge claims are not independent test results. LG
A useful fit for

Regular dinner plates, sensor assistance and inverter control.

The main tradeoff

Needs the full open-counter clearance and an actual check of its two-step door; mute is unconfirmed.

Your needs, this model

Does it fit your priorities?

Is this a useful size for ordinary dinner plates?

Its 1.5-cu.-ft. cavity and 14.2-inch tray are a sensible middle-size starting point. Check your own plate, lid and handles through the door and while rotating.

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Does it genuinely sense steam?

The US family manual explicitly explains steam detection for sensor programs. Follow the covering and sensing-stage instructions; a thick mixed meal still needs checking.

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Will it fit beneath a close shelf?

The reviewed countertop instructions require four inches above, at both sides and behind. The bare body height is not the complete space requirement, and a cabinet kit is not confirmed for this model.

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The LG MSER1590S is a useful middle-size choice for regular dinner plates, confirmed sensor reheating and inverter power control. It offers more room than compact personal microwaves while avoiding the largest body in the range. The door-opening routine and the full ventilation footprint deserve as much attention as the cooking features.

The extra room should solve a real meal problem

LG specifies a 1.5-cu.-ft. cavity, a 14.2-inch tray and 1,200-watt microwave output for this exact US model. That is a reasonable combination for a household whose ordinary dinner plates feel cramped in a smaller appliance. It does not guarantee that a tall covered bowl or wide casserole will fit. LG MSER1590S builder specifications.

Measure the dish you use on a normal weekday, then the largest dish you genuinely expect to heat. Include handles and lid height. If both are small, the larger cavity may simply consume preparation space. If your largest dish is awkwardly rectangular, a tray diameter alone is not enough to decide the purchase.

Actual steam sensing is documented

LG's US page and specification identify sensor cooking, while the manufacturer's family manual explains a system that detects steam and adjusts the program. It also separates sensor reheating from ordinary manual cooking. This is a documented feature for the MSER1590, rather than an assumption borrowed from another NeoChef. Exact US model page; LG sensor instructions.

That assistance is useful for changing leftovers, provided the food fits the menu conditions. The covering should allow the required steam behavior, and the initial sensing phase needs the door left closed. For a mixed meal, check the dense or coldest portion after heating. The convenience is less guessing about time, not a guarantee that every meal needs no handling.

Inverter control does not replace food judgment

Smart Inverter is explicitly documented. It is relevant when you value lower-power control for reheating or defrosting as well as full-power cooking. Someone who normally heats only one mug may find it less important than the position of the start button or the door action.

The 1,200-watt figure describes cooking output. It should be compared with food-package directions, while electrical installation follows the actual rating plate and manual. Do not reuse the old microwave's timing automatically if the cooking output changes. Start cautiously with unfamiliar portions and retain any stirring and standing steps.

A conventional number pad beneath a glass surface

The family manual documents number keys, power selection, Start/Enter and Stop/Clear alongside the sensor controls. That provides direct time entry for people who prefer their own routine. The glass-touch designation describes the interface material; it does not mean you must use sensor programs for every meal. Control-panel instructions.

Before choosing, look at the panel at the height where it will sit. Check the labels, the ability to cancel an incorrect entry and the shortest sequence for an ordinary reheat. A household with different users benefits from controls everyone can understand, rather than one person knowing how to unlock several hidden functions.

Two different locks need two different checks

The US product page identifies a child-resistant door with an optional two-step opening function. That concerns access to hot food. The control-panel child lock concerns starting or changing a program. Test the actual opening motion if grip, reach or one-handed operation is important.

The manufacturer's documented setting options should be consulted in the supplied edition. Do not assume every microwave in the family opens exactly like an older LG. A familiar brand can still introduce a physical action that makes daily use more or less comfortable for the person standing in front of it.

Plan the operating space

LG's exact specification gives a body 21.4375 inches wide, 16.8125 deep and 12.125 high. The reviewed US family instructions require four-inch clearance at the top, both sides and back. That is more space than the bare body occupies. LG countertop installation.

Leave room for the plug, door movement and removing a hot plate as well. Those extra handling needs are not captured by adding clearance numbers into a rectangle. If the only place is an enclosed cupboard or tight shelf, do not treat a body-size fit as installation approval. The reviewed record does not establish an exact-model trim-kit route for the MSER1590S.

Who should keep it on the shortlist?

This LG is persuasive when your answers emphasize regular plates, sensor assistance, inverter control and familiar time entry, with flexible open-counter space. It is less persuasive for a very small personal portion or a tight installation where the documented gaps will not fit.

The reviewed exact sources list a completion beeper but do not establish mute, so an essential sound-off requirement should send you toward a documented alternative. Check the actual model and supplied manual before purchasing. The useful result is a comfortable daily reheating routine, not simply owning more sensor programs.

Key details at a glance

Nominal cavity1.5 cu. ft.
Cooking output1200 W
Turntable diameter14.2 in
Sensor reheatingDocumented
Inverter power controlDocumented
Body W × D × H21.4375 × 16.8125 × 12.125 in; ventilation additional

Facts apply to the reviewed model and document edition. Read the relevant section for generation differences and installation conditions.

Sources for this assessment

Compare it with your other choices

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