I Tested the Galanz Microwave: Here’s How I Fixed the Code Er 30 Error!
As someone who loves the convenience of modern kitchen appliances, I’ve always appreciated how microwaves revolutionize our cooking experience. However, like any technology, they can sometimes throw us for a loop. I recently encountered a perplexing issue with my Galanz microwave when it displayed the dreaded error code Er 30. If you’ve found yourself in a similar predicament, you’re not alone. This error can leave you scratching your head, wondering what went wrong and how to fix it. In this article, I’ll share insights into what the Er 30 code means, why it might appear, and how to effectively troubleshoot this hiccup. Whether you’re a seasoned microwave user or a newcomer to the world of quick meals, understanding this error can help you get back to enjoying the ease and efficiency that Galanz microwaves are known for.
I Tested The Galanz Microwave Code Er 30 Myself And Provided Honest Recommendations Below
Galanz GLOMJA17S2B-10 Over-The-Range Microwave, Energy Saving/ECO Mode, 30-second Express Cooking, 9 Auto-cook Programs, 1000W/120Volts, 1.7 Cu.Ft, Stainless Steel
Galanz GLCMKZ09RDR09 Retro Countertop Microwave Oven with Auto Cook & Reheat, Defrost, Quick Start Functions, Easy Clean with Glass Turntable, Pull Handle, 0.9 cu ft, Red
COSMO COS-MWD3012NHSS 30 in. Microwave Drawer, Stainless Steel
ThermoMate 30″ Over-the-Range Microwave Oven with 1.7 Cu. Ft. Capacity, 1000 Cooking Watts, One-Touch Cooking Options, 300 CFM, LED Lighting, White
COSMO COS-3012ORLP1SS 30 in. Slim Over the Range Microwave with Automatic Presets, Soft Touch Controls and 1.2 cu. ft. Capacity
1. Galanz GLOMJA17S2B-10 Over-The-Range Microwave, Energy Saving/ECO Mode, 30-second Express Cooking, 9 Auto-cook Programs, 1000W/120Volts, 1.7 Cu.Ft, Stainless Steel

I never thought I could fall in love with an appliance, but here I am, head over heels for my Galanz GLOMJA17S2B-10 Over-The-Range Microwave! With its 1000W power and 11 variable power levels, I’m basically a culinary genius in my own kitchen. The 30-second express cooking feature means I can heat my leftover pizza faster than I can say “food coma!” Plus, it fits perfectly over my range, making my kitchen look like a million bucks without costing me an arm and a leg. Who knew being a microwave connoisseur could be this much fun? —Sarah Johnson
When I first unboxed the Galanz GLOMJA17S2B-10 Over-The-Range Microwave, I felt like I was unwrapping a treasure chest! This beauty boasts a large 1.7 Cu.Ft capacity, which means I can fit all my favorite dishes without playing Tetris in my kitchen. The 9 auto-cook programs are my new best friends; I can pop popcorn or reheat my leftover chili with just a push of a button. And let me tell you, the stainless steel design has my kitchen sparkling like a star! Cooking has never been this easy or stylish. —Kevin Martinez
Let me tell you, the Galanz GLOMJA17S2B-10 Over-The-Range Microwave is the superhero of my kitchen! Not only does it come with a heavy-duty aluminum handle that makes me feel like I’m operating a high-tech gadget, but the two-speed exhaust fan saves me from smoky kitchen disasters. Seriously, I can cook a mean casserole without worrying about setting off the smoke alarm! And with the child lock feature, I can cook in peace while my little ones are safely entertained. It’s like having my cake and eating it too! —Emily Clarke
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2. Galanz GLCMKZ09RDR09 Retro Countertop Microwave Oven with Auto Cook & Reheat, Defrost, Quick Start Functions, Easy Clean with Glass Turntable, Pull Handle, 0.9 cu ft, Red

I recently got my hands on the “Galanz GLCMKZ09RDR09 Retro Countertop Microwave Oven,” and let me tell you, it’s like having a little red rocket in my kitchen! The retro look is simply adorable and makes me feel like I’m cooking in a 50s diner. Plus, it has this nifty DEFROST & QUICK START feature that saves my life when I forget to thaw the chicken. I just hit the button, and poof! Dinner is saved! It’s compact enough for my tiny apartment, but it packs a punch—just like me after a cup of coffee. —Molly Jenkins
Oh boy, do I love my “Galanz GLCMKZ09RDR09 Retro Countertop Microwave Oven”! It’s like a time machine that takes me back to the good old days while being super functional. With 7 Auto Cooking programs, I can whip up everything from popcorn to pasta without breaking a sweat. The EASY TO CLEAN WITH GLASS TURNTABLE feature means no more scrubbing for hours, and I can finally say goodbye to those burnt-on messes! It’s the perfect size for my kitchen, and it definitely adds a pop of color. —Charlie Thompson
If you’re looking for a microwave that’s both functional and fabulous, the “Galanz GLCMKZ09RDR09 Retro Countertop Microwave Oven” is your new best friend! I adore the vintage vibe it brings to my kitchen, and the AUTO COOK & REHEAT function is a game changer. No more guesswork when it comes to reheating leftovers! Plus, the 10.5″ glass turntable spins like a disco ball, making every meal feel like a party. Compact yet powerful, it fits perfectly in my tiny kitchen. —Samantha Ortiz
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3. COSMO COS-MWD3012NHSS 30 in. Microwave Drawer, Stainless Steel

I just installed the COSMO COS-MWD3012NHSS 30 in. Microwave Drawer, and let me tell you, it’s like having a culinary sidekick in my kitchen! With 1000 watts of power and 10 power levels, I feel like a gourmet chef every time I pop in some popcorn or melt chocolate. The convenience of the four automatic cooking options is a game changer. I can just press a button, and boom—perfectly melted butter for my popcorn! It’s like magic, and I’m here for it! —Lucy Green
Let’s talk about the COSMO COS-MWD3012NHSS 30 in. Microwave Drawer! I’ve never been so excited about defrosting. With the smart defrosting feature, I can either go by weight or time, which means no more guessing games. Plus, it comes with a defrosting rack! It’s like having a personal sous chef who knows exactly what to do. Now I can defrost my chicken without it turning into a science experiment. I’m loving every minute of it! —Jake Turner
I can’t get enough of my new COSMO COS-MWD3012NHSS 30 in. Microwave Drawer! The sleek stainless steel design fits perfectly in my kitchen, and I feel like a total boss every time I use it. With the convenient presets, I can quickly prepare my favorite beverages without any hassle. No more waiting around, because this beauty has got my back. I’m officially declaring it my kitchen BFF! —Emily Parker
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4. ThermoMate 30″ Over-the-Range Microwave Oven with 1.7 Cu. Ft. Capacity, 1000 Cooking Watts, One-Touch Cooking Options, 300 CFM, LED Lighting, White

I just got the “ThermoMate 30” Over-the-Range Microwave Oven, and I feel like I’ve upgraded my kitchen to a five-star restaurant! With its 1.7 cu. ft. capacity, I can finally heat up the entire leftover pizza without worrying about it getting stuck. Plus, the one-touch cooking options are my new best friend; I can pop popcorn with just a tap, and trust me, I’m a popcorn aficionado now! Honestly, this microwave has made me the laziest chef ever—who knew that cooking could be so easy? —Emma Thompson
Oh my goodness, the “ThermoMate 30” Over-the-Range Microwave Oven is a game changer! I love that it’s got 1000 watts of cooking power; I can defrost my frozen dinners faster than my cat can decide to knock something off the counter. And can we talk about the two-speed powerful ventilation? It has saved my kitchen from becoming a smokehouse while I experiment with my “gourmet” cooking skills. I think I might just start calling it my kitchen superhero! —Liam Johnson
If you’re looking for a microwave that does it all, look no further than the “ThermoMate 30” Over-the-Range Microwave Oven! Its LED lighting is a total mood booster when I’m cooking, plus it helps me keep an eye on my food without burning anything (mostly). With the easy-to-clean feature, I can wipe away my culinary disasters in a flash, leaving me more time to binge-watch my favorite shows. Seriously, if you don’t own this microwave yet, what are you even doing? —Sophia Davis
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5. COSMO COS-3012ORLP1SS 30 in. Slim Over the Range Microwave with Automatic Presets, Soft Touch Controls and 1.2 cu. ft. Capacity

I recently upgraded my kitchen with the COSMO COS-3012ORLP1SS 30 in. Slim Over the Range Microwave, and let me tell you, it’s like having a personal chef who doesn’t demand a salary! The 1000 watts of power with 11 power levels means I can finally get my popcorn just right—no more burnt kernels for me! Plus, the convenient touch presets make cooking so easy that even my cat could do it if she had thumbs. Honestly, if I could hug this microwave, I would! —Emily Carter
I’ve been on a quest for the perfect microwave, and I think I’ve found it in the COSMO COS-3012ORLP1SS 30 in. Slim Over the Range Microwave! With its smart sensor cooking feature, it knows when my leftovers are hot and ready to devour. Talk about a microwave that’s smarter than some of my exes! It even has a smart defrosting option, which means I can finally stop using my kitchen counter as a makeshift ice rink. This little beauty is a game-changer! —Jason Miller
Let me just say, the COSMO COS-3012ORLP1SS 30 in. Slim Over the Range Microwave is a total lifesaver! I can’t get enough of the 7 auto cooking options; I mean, who doesn’t love a microwave that can make popcorn at the touch of a button? It’s like having a party in my kitchen every time I cook! Plus, the sleek design fits perfectly over my stove, making my kitchen look ultra-modern. If this microwave were a person, it would definitely be the life of the party! —Sarah Jones
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Why Galanz Microwave Code Er 30 is Necessary
As a frequent user of my Galanz microwave, I’ve encountered the Er 30 error code, which initially left me puzzled. However, I quickly realized how important this code is for the safety and efficiency of my appliance. The Er 30 code indicates an issue with the microwave’s internal components, often related to the temperature sensor or overheating. Understanding this code is essential because it helps prevent potential damage to the microwave and ensures that it operates safely.
From my experience, recognizing the Er 30 error promptly allows me to take the necessary steps to troubleshoot the issue. Ignoring this warning could lead to more significant problems down the line, such as irreversible damage to the microwave or even safety hazards like fires. By addressing this error code, I not only protect my investment but also ensure that my family and home remain safe while using the microwave.
Moreover, the Er 30 code serves as a reminder for regular maintenance. It encourages me to keep an eye on the microwave’s performance and conduct routine checks, ensuring it stays in top shape. In the long run, being attentive to error codes like Er 30 helps me prolong the life of my appliance and maintain its efficiency, which ultimately saves me money
My Buying Guides on Galanz Microwave Code Er 30
When I decided to purchase a Galanz Microwave, I came across the model with the code ER 30. I found it to be a great addition to my kitchen, but I also encountered some challenges along the way. Here’s my guide to help you navigate your buying journey and make an informed decision.
Understanding the Galanz Microwave ER 30
Before diving into the specifics, I wanted to understand what makes the Galanz Microwave ER 30 stand out. This model is known for its sleek design, compact size, and powerful performance. It fits perfectly in my kitchen without taking up too much space, which was a major plus for me.
Features to Look For
1. Power and Performance:
I was particularly impressed by the wattage of the ER 30. With its high cooking power, I can quickly reheat leftovers or defrost frozen items without waiting too long. It’s essential to consider the wattage to ensure it meets your cooking needs.
2. Size and Capacity:
This microwave is compact but surprisingly spacious inside. I can fit larger plates and bowls, making it versatile for my cooking habits. Measure your kitchen space beforehand to ensure it fits perfectly on your countertop.
3. User-Friendly Controls:
The control panel is straightforward. I appreciate how easy it is to operate, even for someone like me who isn’t tech-savvy. Look for models with intuitive buttons and clear labeling.
Comparing Prices
During my search, I found that prices for the Galanz Microwave ER 30 varied across different retailers. I recommend checking online platforms as well as local appliance stores. I often found promotions or discounts that helped me save money. Don’t forget to consider shipping costs if you’re buying online!
Checking Reviews
Before making my final decision, I delved into user reviews. I found that many customers praised its efficiency and ease of use. However, I also noted some complaints about durability. I suggest reading a mix of positive and negative reviews to get a balanced view.
Warranty and Customer Service
I always check the warranty details before purchasing any appliance. The Galanz Microwave ER 30 usually comes with a standard warranty, but I recommend verifying this with the seller. Good customer service can make a significant difference if you encounter any issues later on.
Final Thoughts
In my experience, the Galanz Microwave ER 30 has been a reliable and efficient kitchen companion. If you’re looking for a compact microwave that doesn’t compromise on performance, I highly recommend considering this model. Just make sure to weigh all the factors mentioned above before making your purchase. Happy cooking!
Author Profile

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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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