Panasonic Mikrowellenherd NN-ST678S Benutzerhandbuch - ManualsBase.com (2023)

FAQs

How long do Panasonic inverter microwaves last? ›

The average lifespan of Panasonic microwave ovens, as with other similar microwave ovens, is around five to seven years, though your item may last longer with proper care and maintenance.

To reset your Panasonic microwave, you need to unplug it from the power source, wait for a few minutes, and plug it back in. This will clear any error codes and restore the default settings. Alternatively, you can press and hold the Stop/Reset button for 10 seconds to reset the clock and other settings.

A door switch might be failing intermittently. Check each of the door switches for signs of overheating, arcing, or burning. If you don't see any obvious signs of failure, use a multimeter to test each switch for continuity.

If you take good care of your microwave up into its old age, there's a low risk of harm, but if it's damaged in any way you may want to get it checked out. If you've looked after it well, there's no reason why a vintage microwave should be dangerous.

Power may not be getting to the appliance. Check to see that it's plugged in, then check your electrical panel box to see if to see if a circuit breaker switch has flipped or if a fuse has blown. The microwave door may not be completely shut, or the door switch may not be working correctly.

Problem with the line fuse

The first and main cause of microwave not working but has power is an issue with the line fuse. If more than required current flows through the microwave circuitry then the line fuse will blow. To find out whether this is the main cause, you can make use of a multimeter for continuity.

Microwaves can stop responding due to software glitches or unintended microwave settings. Press the cancel/reset button to do a soft reset on your microwave. If necessary, perform a hard reset by unplugging your microwave for 30 minutes, then plug it back in.

The thermal fuse cuts off power to the microwave if the microwave overheats. To determine if the thermal fuse has blown, use a multimeter to test it for continuity. If the fuse does not have continuity, replace it. The thermal fuse cannot be reset—if the fuse is blown, it must be replaced.

Humming. A loud humming noise from your microwave is often a sign of a faulty or worn-out diode. The diode is responsible for converting AC to DC to supply the magnetron with power. If a defective diode is to blame for your microwave making noise, the microwave won't generate heat.

Why does my Panasonic microwave still run with the door open? ›

If the door continues to run even when you open the door, then it is likely a door interlock switch fault. When your microwave door latches, the latch connects to a switch, which when it activates, allows the microwave to receive power.

The reason that your microwave trips the breaker whenever you use it is because you are overloading the circuit. Electrical circuits are rated to handle a specific number of amps. Each circuit typically handles the electricity for one part of your house.

As a general rule, you should consider a replacement if: The microwave is more than 10 years old. You'll pay at least half the cost of replacement for repairs. You can't find replacement parts that fit the brand and model.

Most microwaves last about 10 years. If you keep it clean, your microwave may last much longer. Of course, the less you use it, the longer it will last too.

If your microwave is approaching the 10-year mark, consider replacing it with a new, energy-efficient unit. Odd smells. A burning smell, smoke, or sparks are a sign something is amiss and you should immediately turn off and unplug the microwave and call for a repair.

Our survey results suggest that you should consider repairing the broken microwave if it's still under warranty or if it's 5 years old or less, but you'll definitely want to replace it if it's more than 5 years old.

To avoid replacing yours more than about once every 10 years—which is how long most manufacturers tell us they should last—you'll want to take care of it. Your microwave may not get as grimy as your oven, but even so, one of the best ways to keep it humming along is to keep it clean.

A standard microwave oven is actually a simple device comprising of a transformer, diode, capacitor, a fuse and the magnetron valve. All can be tested and replaced to fix a non heating oven.

The most common cause of microwave failure is its magnetron. The magnetron is what produces the microwaves that cook your food, and it's also the part that is most likely to burn out. Symptoms of a faulty or burned-out magnetron include a microwave that doesn't heat food properly or doesn't work.

If the lower polepiece is not seated properly against the transition, causing a gap, it will allow microwave leakage between the joints which causes arcing. This arcing can then melt the plastic sleeve which causes the tube to run hot. This in turn can then melt the plastic sleeve which will overheat the tube.

What goes wrong with microwaves? ›

If your microwave isn't heating food, it's likely that the magnetron in your appliance is broken. Unfortunately, a burned-out magnetron can't be repaired, it has to be replaced. Other issues that can lead to food not being heated, includes a broken diode or a faulty door switch.

The top three reasons why your buttons stop working are a defective control panel, a broken membrane switch, or a faulty main control board.

Thermal fuses will blow to prevent the microwave from overheating and potentially causing a fire. A fuse will also blow if there is a surge in electricity, which can cause a short circuit.

Typically, if the microwave is not heating, a door lock or blown fuse will be causing the issue. If the fault is more serious, the high-voltage capacitor, magnetron, or diode may need to be replaced.

Fuses are located in many places inside the microwave, including the top, side, and behind the vent grille. Using the wiring diagram can help you locate the appropriate fuse. Once you have located the fuse, remove any necessary wires and fasteners to free it from the microwave.

Microwave ovens use high voltage which makes it particularly hazardous for consumers to remove the cover and touch electrical parts. The possibility for electrical shock from a microwave oven still exists even after the oven is disconnected from the power source.

To ensure you reduce breakdowns to a minimum, we have a specialist packages for Panasonic microwaves servicing and repairs. This will ensure your equipment is fully maintained and operational. For any repairs you do need, we aim to deliver a 95% first-time fix priority.

A thermostat fuse is designed to protect your microwave from overheating. If your thermal fuse has been activated by your microwave overheating, your microwave will stop working. Never bypass your microwave oven's fuse! There is a very good chance that you could set your microwave oven on fire.

The most common cause of a blown fuse is when something draws too much power from the circuit. This is most often caused by either too many lights or from using too many plug-in appliances at once. The biggest culprit for this kind of issue is a multiple outlet adapter plugged into a socket.

Why does my microwave run for 10 seconds then shut off? ›

If the microwave runs for a few seconds and then shuts off, the door switch might be defective or loose. Sometimes arching or overheating of door switches stops microwave from running efficiently. Some microwaves have a seal or gasket around the door. If the seal or gasket is broken, microwave shuts down.

If your microwave still operates even when the door is open, this is a good sign that the door interlock switch is faulty. The switch is meant to send a signal to the control board to turn the microwave off when the door opens, so when it becomes faulty, it won't be able to do this.

If a microwave starts running when the door opens: Turn the home circuit breaker to the unit off for 30 seconds then back on again. Retest the unit operation. If the microwave continues to start when the door opens, turn off power at the home circuit breaker or unplug the unit until it is repaired.

If your microwave turns on by itself after you close the door you may need to clean the door, check the latch, or ensure that the door is closed all the way.

Purchase an applicable Panasonic Microwave Oven from a participating retailer and qualify for a Free 5 Year Warranty. For Terms and Conditions click here. Purchase an applicable Panasonic Microwave Oven from a participating retailer and qualify for a Free 5 Year Warranty.

You can expect an inverter microwave to defrost things faster and more evenly, and offer faster cooking times in general. So if you often find yourself defrosting meats and other items in the microwave, an inverter microwave might be a great idea.

According to LG, "Inverter technology enables more precise temperature control to help defrost foods and avoid overcooked and unthawed areas." Some of the top performing models in our microwaves review have inverter technology, however, there are some recommended conventional microwaves that perform just as well.

Compared to other types of microwaves that use power surges through a transformer, an inverter microwave oven is more energy efficient. The inverter's constant power level provides the exact voltage required to the cooking chamber to make your food warm.

The first indicator that your microwave is better off replaced is the five-year lifespan. Microwaves can last a long time, but they have the shortest lifespan of household appliances. If your microwave is over 6 years and especially if it's approaching 10 years old, you're likely better off with a new microwave.

The best time to buy appliances is during a holiday or holiday weekend sale, during the off-season, at the end of the month, or just before or after the manufacturer releases a new model. Shopping at these strategic times can save you hundreds of dollars.

What are 3 disadvantages of using a microwave? ›

Though microwave retains the nutrients, the texture of food, color, and taste will change, compared to cooking in a stove. It leads to dehydration, as the water content decreases and food are more prone to drying, and the cooked food is sometimes unevenly cooked.

Microwaves do have some downsides. For example, they may not be as effective as other cooking methods at killing bacteria and other pathogens that may lead to food poisoning. That's because the heat tends to be lower and the cooking time much shorter. Sometimes, food heats unevenly.

Microwave radiation can heat body tissue the same way it heats food. Exposure to high levels of microwaves can cause a painful burn. Two areas of the body, the eyes and the testes, are particularly vulnerable to RF heating because there is relatively little blood flow in them to carry away excess heat.

Microwaves that don't have inverter technology have to switch between using 100 per cent and 0 per cent power when you choose 50 per cent power, whereas a microwave with inverter technology uses 50 per cent power the entire time so your food is more evenly defrosted and cooked.

While inverter microwaves are more efficient in terms of power usage and food heating, they can significantly affect Wi-Fi performance over the entire 2.4 GHz band (including channel 1). Thus to avoid this interference, one must avoid inverter microwaves, or choose 5 GHz operation for nearby Wi-Fi APs.

Our experts recommend a 1500-watt pure since-wave inverter if you are planning to use the one that came in your RV, and a 2000–watt pure since wave inverter to run a conventional countertop microwave.

Size and Power

In addition to size, less expensive units often have lower wattage than pricier models. Most microwaves operate between 600 and 1,200 watts, with larger units typically offering a power level on the higher end.

A microwave uses significantly less energy than either a gas or electric oven. To use your microwave for one hour every day would cost you about half the total energy of a natural gas oven and 60% less than an electric oven.