[TechAssist] Re: microwave

Ed,

You must remove the wires to check the switches.  Also, you can's check
the diode with a normal meter, unless it tests shorted.  If it does, it
IS bad.

Please give us more to go on.  Does everything "seem" to work--just no
heat?


Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL  32563
850-934-8324 (Voice) 850-932-0819 (Fax)


On Fri, 26 Dec 2003 12:04:26 -0700 "Ed" <edb3@xxxxxxx> writes:
> Cant seem to find a reason for this thing not to heat, unless the mag 
> is
> bad, i can measure continuity across the mag term, its not open, or
> shorted.wiring seems to be ok, door switches are working, the hv cap 
> checks
> ok, so does the diode, hope someone has a idea. How much voltage 
> should
> there be at the magnatron filiment terminals? The hv xformer isnt 
> shorted,
> and the windings are not open
>       Ed   Video Pro-Tech  Mesa AZ
> ----- Original Message ----- 
> From: "Doug Keller" <dek@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 26, 2003 8:32 AM
> Subject: [TechAssist] Re: microwave
> 
> 
> > May be a thermal sensor problem. Check them and also verify that 
> the
> > airflow can get through the fins of the magnetron and help it to 
> cool.
> >
> > Doug Keller
> > Wis-Kel Electronics
> > 101 Freeland Ave.
> > Terra Alta, WV
> > USA        26764
> > dek@xxxxxxxxxxxxxx
> > http://www.tech-assist.org
> > "Learn from the mistakes of others, because you
> > won't live long enough to make them all yourself"
> >
> >
> >
> > Ed wrote:
> >
> > >Really havent checked anything yet, have never workedon one, just 
> wanted
> to
> > >get some ideas. I will pull it down later today, heated up a cup 
> of
> coffee
> > >and it worked fine, the next cup it wouldnt heat, everything else 
> is
> running
> > >ok. Does the magnatron usually go that fast?
> > >    Ed   Video Pro-Tech
> > >            Mesa AZ
> > >----- Original Message ----- 
> > >From: "Doug Keller" <dek@xxxxxxxxxxxxxx>
> > >To: <techassist@xxxxxxxxxxxxx>
> > >Sent: Friday, December 26, 2003 7:49 AM
> > >Subject: [TechAssist] Re: microwave
> > >
> > >
> > >
> > >
> > >>fuse?, power to trans?, HV? magnetron? What have you checked so 
> far?
> > >>
> > >>Doug Keller
> > >>Wis-Kel Electronics
> > >>101 Freeland Ave.
> > >>Terra Alta, WV
> > >>USA        26764
> > >>dek@xxxxxxxxxxxxxx
> > >>http://www.tech-assist.org
> > >>"Learn from the mistakes of others, because you
> > >>won't live long enough to make them all yourself"
> > >>
> > >>
> > >>
> > >>Ed wrote:
> > >>
> > >>
> > >>
> > >>>anyone here experianced on microwave ovens? This is a GE over 
> the stove
> > >>>
> > >>>
> > >type, quit heating this morning. Maybe there are some common 
> failures i
> > >should look for, its a 1998 model GE, model JVM1450WA
> > >
> > >
> > >>>      Ed   Video Pro-Tech
> > >>>               Mesa AZ
> > >>>
> > >>>
> >
>
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