[TechAssist] Re: Whirlpool Microwave oven model MH7140XFB-0 (overcounter unit )

  • From: "Larry Poffen" <lpoffen@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sat, 31 Jan 2004 11:29:04 -0600

I found a print & found the primary winding of the xfmr was open as well as
some xstrs shorted.   I replaced the C/B  (cost $112) & now all is OK. If I
could have got the xfmr I may could of fixed it, but the micro could also be
fried.  Anyway wife is happy now.   thanks all.   Larry

----- Original Message -----
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 30, 2004 3:18 PM
Subject: [TechAssist] Re: Whirlpool Microwave oven model MH7140XFB-0
(overcounter unit )


> Larry, for my future reference, the thermostat on the bottom that will
> check open, is this the normal stste? They're usually all closed
> circuit.
> Phil
>
> "Phillip R. Hull" wrote:
> >
> > Did you have the rework kit installed for the recall??  Also check the
> > thermostat on the magnetron and there is a thermostat hidden under the
> > plastic air box on top.  The other thermostat on the bottom will check
open
> > and the other two should check closed
> > rework kit # 8184461
> > Phillip R Hull     STET
> > phil245@xxxxxxxxxxxxx
> > FAX 517--569-3075
> > Professional Technicians only
> > ----- Original Message -----
> > From: "Larry Poffen" <lpoffen@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, January 30, 2004 12:00 PM
> > Subject: [TechAssist] Whirlpool Microwave oven model MH7140XFB-0 (over
> > counter unit )
> >
> > > This is my own personal home microwave model MH714OXFB-0  Whirlpool
unit.
> > It was hit by a power surge & has no display or power to front panel.
20
> > Amp fuse is Ok & have 120VAC to both sides to grd.  This has a panel
with
> > the numbers NSFC2 (0)  4619-640-25303 on it.  Also there is a unit
(round)
> > near the fuse that says 36TX12   F60-15C on it that has no continuity
thru
> > it.   don`t know what it is.  Anyone work on these have any ideas on
where
> > to start or what to do?  A print would be appreciated..   Hope this is
not
> > out of line for tech assist.    Larry
> > > Larrys TV Service
> > > Broken Arrow OK 74011
> > > phone 918-455-1041
> > > Fax 918-451-4485
> > > e-mail lpoffen@xxxxxxx
> >
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> --
> Jan Phyl TV Inc
> 3420 Recker Hwy.
> Winter Haven, Fl. 33880
> fax: 863-299-8821
> (professional. technician calls only)
>
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