What does a microwave wave guard do?

A waveguide cover’s main job is to transmit microwave radiation. It prevents steam and food particles from interacting with the electrical components within the microwave oven. The oblong cover clips into the hole where the microwave comes out.

Can you replace the waveguide cover?

The good news is that the waveguide cover is an inexpensive spare and could save you the cost of replacing your microwave. If you need to replace the waveguide cover in your microwave, then you will be pleased to know that you have come to the right place!

Is it safe to use a microwave without the waveguide cover?

While it may appear you can continue to use your microwave oven without the waveguide cover, we highly recommend you do not. Continued use could cause a short and/or corrosion to the unit’s magnetron and internal circuits creating a safety hazard as well as eventually rendering the unit beyond repair.

How do you clean a waveguide?

Keep the waveguide cover clean to assure good oven performance. Carefully wipe with a damp cloth any food spatters from the surface of the cover immediately after they occur. Built-up splashes may overheat and cause smoke or possibly catch fire. DO NOT REMOVE THE WAVEGUIDE COVER.

When should I change my waveguide cover?

Answer:

Replace the waveguide cover if it is burnt, chipped, or cracked.
Do not operate a unit with a burnt, chipped, or cracked waveguide cover or without the waveguide cover in place.
The waveguide cover can be replaced by an owner. MS24 and MW24: Pull out the old waveguide cover and push in the new waveguide cover.

Can I make a waveguide cover?

Sometimes a waveguide burns out with no cause. Making a new wave guide cover is easy, if you approach the task correctly.

Why is there a piece of cardboard in my microwave?

The cardboard cover on the right top or side wall of the microwave interior is there by design. The cardboard (mica) covers the waveguide system that feeds microwave energy into the cavity and should not be removed.

Why is mica used in microwaves?

Cooking appliances Mica is often used to provide insulation for ovens and microwaves. The mica sheet prevents food and contaminants from reaching the electrical components – but as mica is a dielectric, it allows the microwaves through to heat the food.

Is a microwave worth fixing?

Some experts say it’s not worth repairing a malfunctioning countertop microwave because the average cost of repairs runs about $70–$100 not including parts—about half the cost of a good-quality new one.

Where is the waveguide cover on a microwave?

Waveguide covers are a thin sheet on the inside of the port in the cooking chamber. If, by chance, your cover breaks or it needs to be replaced, you should use the microwave with caution.

What does the oblong cover on a microwave do?

The oblong cover clips into the hole where the microwave comes out. The main use is to prevent splashes and bits of food from getting into the cavity of the microwave.

When do you need to replace the microwave cover?

If moisture or food embedded in it starts burning it will go from bad to worse quite quickly and if not replaced can cause irreparable damage to the microwave. It is advisable to replace the cover as soon as possible to prevent damage.