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MY GE MDL #GCG158OLOSS trash cofactors just hums when activated and the unit does not operate

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Microwave buzzes when off

This is the power transformer humming, sometimes when transformers get older you get vibrations in the windings due to magnetic fields generated within the transformer which causes the humming noise, It's more annoying than anything and won't affect the operation of the microwave.

Mar 06, 2012 | GE Spacemaker JVM1640SJ Microwave Oven

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After the GE JVM1190BY002 Microwave stops its microwave sequence the fan motor above the touchpad just sits and hums but doesn't shut off.It still heats food corectely and it stops humming when I open...

You should first be sure your filters are clean and that your ductwork is clear.

See this link for a bulletin that may address your problem.

Otherwise, see this link in case you have a sticky door switch or relay.

You can find helpful GE exploded views and order GE parts here, and download GE owner's manuals and installation instructions here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Oct 20, 2011 | Microwave Ovens

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How to find adjoint of a matrix

This is a rather involved question and your calculator has pretty basic matrix capabilities.
The adjoint of a matrix is the transpose of the matrix of cofactors. For each element of the original matrix, you must calculate its cofactor and insert it at the same place as the element. Once you get the matrix of cofactors, you take its transpose.
As you see that will not be easy to explain without an example. Please consult a book on linear algebra. And NO, your calculator cannot perform such a feat even for a 3X3 matrix.

Sep 12, 2011 | Casio FX-115ES Scientific Calculator

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GE profile trash compactor makes loud noise and pulsates

sounds like you have a bad ram bushing on unit... you will have to pull out and watch operation ...there is also a differential switch that tells unit when to stop that sometimes gets worn and needs replaced... it generally is at the top or on the side of bin ....most likely it is one of the two items that has failed...

Jan 05, 2011 | GE Profile GCG1580LSS 15" Built-In Trash...

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How to find the cofactors?

There is no command on the calculator that allows you to do it.
You can use the calculator to evaluate the minors for each element (the determinant of the matrix that is left when you remove the column and the row that have that element as intersection).
Here is an example how to calculate the cofactor of the _11 element of a 3X3 matrix.
  1. I defined a 3x3 matrix called b
  2. I defined a submatrix by removing the first row and the first column of the b matrix.
  3. The submatrix is called min11.
  4. Its determinant is the minor of the _11 element of matrix b.
  5. The cofactor cof11 of _11 element of matrix b is the product of (-1) to the the power (1+1) and the minor of the _11 element.
  6. The cofactor is represented by the last result to the right of ->cof11, that means b22*b33-b23*b32.
  7. For additional information refer to your algebra book.

Jan 27, 2010 | Texas Instruments TI-83 Plus Calculator

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GCG1700 willnot compact.When activated it just

There is a motor jam. The mechanism needs to be cleared, perhaps a bone or any other hard material is jamming the mechanism. Do a visual inspection and look for foreign objects (Perhaps a fork?) or something unusual.

Jan 06, 2010 | GE Profile GCG1580LSS 15" Built-In Trash...

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Our compactor does not work. It makes a humming noise but will not function.

motor jamed . try removing basket . ( pull out and lift up ) ck for plastic of other things in or around drive and rollers .both sides and in back .. ****

Dec 07, 2009 | GE Profile GCG1580LSS 15" Built-In Trash...

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Cofactor matrix

the cofactor (C) of Matrix (A) = (det(a) times (A)^-1)t

Cof A=(detAxA^1)t

Enter a matrix for (MatA) AC
shift 4 7 gives det(_
shift 4 3 shows det(a )<-end Paren
= x shows ansx
shift 4 3 shows ansxMatA -1x
= you'll see a Matrix AC to get out
shift 4 8 gives Trn(
shift 4 6 shows Trn(MatAns) =

The Matrix graph shows all the Cofactors

Jan 27, 2009 | Casio FX-115ES Scientific Calculator

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Motor Seized GE 15" Trash Compacter

The usual "repair" of appliance motors is replacement. If you browse this site, you will find numerous other cases similar to yours where an expensive appliance has failed early.

May 11, 2017 | GE Profile GCG1700LII 15" Built-In Trash...

1 Answer

GE Nautilus Built-In Dishwasher

This would be the motor that spins the dish washing unit in the bottom. The noise you hear might mean that the motor will need to be replaced.

Sep 17, 2008 | GE Nautilus 24" Built-in Dishwasher

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