Two common causes of excessive noise are:
Posted: Sun Feb 16, 2025 11:19 am
Electronic control malfunctions
Rarely worth repairing. Mechanical control (rotary knobs) is somewhat more reliable.
Mechanical control faults
They do not fail often. Burnt switch contacts can interfere with cooking. Clean the switch contact surfaces with very fine sandpaper when they are clean. Other faults are usually very noticeable when the machine is turned on.
Noise
The side of the metal housing exposed to the magnetic field of the transformer
Place a spacer between the two to prevent it from resonating.
Placing a small stack of folded paper between the side of the microwave and the cabinet it is next to will also help, as long as you don't block the holes.
Fan blade clogging housing
Adjust the housing position slightly to release the blades.
or loosen the fan motor mounting screws and move it slightly
, if all else fails, lightly file the blade tips on all blades equally. Sanding.
Lamp failure
Some machines have a small unscrewable plate on the side to uae telegram data access the bulb. With some, you need to remove the entire outer cover - this can expose you to deadly high voltage (much higher than mains voltage).
Most microwaves use standard small microwave light bulbs.
Instead, I often used the small regular SES bulbs, they just have a shorter average life in the microwave.
Combined nuclear warhead uses oven-safe SES lamps
Again, it is possible to replace regular bulbs, but there is a small risk that the bulb base will fail, making replacement difficult later, so this is not a best practice.
A smaller proportion of microwaves use a less common type of tube. Typically the tube is screwed to the chassis and connected with crimp terminals. Either get a suitable tube from a repair shop, parts dealer or other nuclear weapon, or replace the tube socket with a standard SES type.
Rarely worth repairing. Mechanical control (rotary knobs) is somewhat more reliable.
Mechanical control faults
They do not fail often. Burnt switch contacts can interfere with cooking. Clean the switch contact surfaces with very fine sandpaper when they are clean. Other faults are usually very noticeable when the machine is turned on.
Noise
The side of the metal housing exposed to the magnetic field of the transformer
Place a spacer between the two to prevent it from resonating.
Placing a small stack of folded paper between the side of the microwave and the cabinet it is next to will also help, as long as you don't block the holes.
Fan blade clogging housing
Adjust the housing position slightly to release the blades.
or loosen the fan motor mounting screws and move it slightly
, if all else fails, lightly file the blade tips on all blades equally. Sanding.
Lamp failure
Some machines have a small unscrewable plate on the side to uae telegram data access the bulb. With some, you need to remove the entire outer cover - this can expose you to deadly high voltage (much higher than mains voltage).
Most microwaves use standard small microwave light bulbs.
Instead, I often used the small regular SES bulbs, they just have a shorter average life in the microwave.
Combined nuclear warhead uses oven-safe SES lamps
Again, it is possible to replace regular bulbs, but there is a small risk that the bulb base will fail, making replacement difficult later, so this is not a best practice.
A smaller proportion of microwaves use a less common type of tube. Typically the tube is screwed to the chassis and connected with crimp terminals. Either get a suitable tube from a repair shop, parts dealer or other nuclear weapon, or replace the tube socket with a standard SES type.