[TechAssist] Re: [ My next question] Sharp Micro-wave oven - model R-930AK Won't heat
- From: Roger G <rogerfixit@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 21 Jun 2004 16:37:24 -0400
Not sure if this is the type but the retainer is not the one you see from
the top but one that is at the back of the assembly
Roger G.
Mr. Fix-It
Harrisburg, PA 17110 WebSite- http://mrfixit.netfirms.com
rogerfixit@xxxxxxxx
FAX 510-740-3641; Tel: 717-763-7098 (shop) 717-652-1703(home).
At 01:00 PM 6/21/2004, you wrote:
>Leroy!
>
>Ya gotta be CAREFUL, buddy!
>Now that the horse is out of the barn...here's the "secret":
>
>1) disconnect wires
>2) press the retaining clip back with a small screwdriver.
>3) hold the clip out of the way just enough so that the switch body can move
>past it.
>4) CAREFULLY rotate the switch on the plastic pin .
>5) slide the switch off the pin.
>
>Jim McVey
>McVey Alltronix
>327 Broadway
>Newburgh Ny 12550
>ph: 845 561 8383
>fx: 845 561 9017
>Consumer electronics &
>computer service.
>Factory authorized for
>over twenty brands.
>
>
>
>
>----- Original Message -----
>From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Monday, June 21, 2004 12:00 PM
>Subject: [TechAssist] [ My next question] Sharp Micro-wave oven - model
>R-930AK Won't heat
>
>
> > Jim, and All,
> > OK,...I found the bottom switch to be defective.
> > My next question is: How do you guys go about removing the defective
>switch,
> > with out breaking the plastic tabs that hold it in place, and the plastic
> > guide that slips into one of the holes on the switch ? Last time I tried
>to
> > replace one of these, I ended up having to drill a hole, and installing a
> > screw in the new switch. Is there a SECRET that I don't know about ?
> >
> > Thanks,
> > LLW
> >
> > LeRoy Westlund
> > Westlund TV & Electronics
> > 97 North Main "Where there's a will,...
> > Centerfield, UT 84622-0087 There's always a way."
> > Ph./Fax 435-528-3822
> > mailto:LLW@xxxxxxxxxx
> >
> > -----Original Message-----
> > From: becyn <becyn@xxxxxxxxxx>
> > To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > Date: Friday, June 18, 2004 9:29 AM
> > Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't heat
> >
> >
> > >Leroy,
> > >
> > >I took a look at the sheet for this one. It is possible for the mag fan
>to
> > >run independently on this model. If you have no power to the the HV
> > >transformer primary, then the path to consider is the contacts of Ry1
>and
> > >the primry interlock relay RY2 which is controlled by a door sensing
> > switch.
> > >The door sensor is at the top of the stack. I have also seen burned sec
> > >interlock switches at the bottom. Sometimes they are defective but test
>OK
> > >out of cicuit.
> > >It's rare that the contoller will be the problem but possible.
> > >
> > >Jim McVey
> > >McVey Alltronix
> > >327 Broadway
> > >Newburgh Ny 12550
> > >ph: 845 561 8383
> > >fx: 845 561 9017
> > >Consumer electronics &
> > >computer service.
> > >Factory authorized for
> > >over twenty brands.
> > >
> > >
> > >----- Original Message -----
> > >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> > >To: <techassist@xxxxxxxxxxxxx>
> > >Sent: Thursday, June 17, 2004 9:14 PM
> > >Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't
>heat
> > >
> > >
> > >> The fan runs normal.
> > >> All 3 of the door switches check good.
> > >> Maybe the relay is bad.
> > >> I'll pull the control board and check for bad connections on the
>printed
> > >> ckt.
> > >>
> > >> LLW
> > >>
> > >> LeRoy Westlund
> > >> Westlund TV & Electronics
> > >> 97 North Main "Where there's a will,...
> > >> Centerfield, UT 84622-0087 There's always a way."
> > >> Ph./Fax 435-528-3822
> > >> mailto:LLW@xxxxxxxxxx
> > >>
> > >> -----Original Message-----
> > >> From: becyn <becyn@xxxxxxxxxx>
> > >> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > >> Date: Thursday, June 17, 2004 5:38 PM
> > >> Subject: [TechAssist] Re: Sharp Micro-wave oven - model R-930AK Won't
> > heat
> > >>
> > >>
> > >> >wow! so much for tips! The thermister is for the the convection mode.
>It
> > >> has
> > >> >nothing to do with the microwave function!
> > >> >You probably have a bad lockout microswitch
> > >> >if the mag fan doesn't run.
> > >> >
> > >> >Jim McVey
> > >> >McVey Alltronix
> > >> >327 Broadway
> > >> >Newburgh Ny 12550
> > >> >ph: 845 561 8383
> > >> >fx: 845 561 9017
> > >> >Consumer electronics &
> > >> >computer service.
> > >> >Factory authorized for
> > >> >over twenty brands.
> > >> >
> > >> >
> > >> >----- Original Message -----
> > >> >From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> > >> >To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> > >> >Sent: Thursday, June 17, 2004 6:53 PM
> > >> >Subject: [TechAssist] Sharp Micro-wave oven - model R-930AK Won't heat
> > >> >
> > >> >
> > >> >> Hi members,
> > >> >> This Sharp micro-wave oven won't heat.
> > >> >> Control panel counts down OK, but has no 115 A/C volts driving the
> > high
> > >> >> voltage transformer. The Primary interlock relay RY-2 is not
> > >activating.
> > >> >> Also, the turn table does not turn.
> > >> >> I found a fix in Jeff's Intrepid CD program that said to replace the
> > >> >> Temperature thermistor part # FH-HZA041WREO.
> > >> >> I found the thermistor, but it measures 235K ohm across it. Do you
> > >think
> > >> >> that reading is too high ? Shouldn't a good thermistor read much
>less
> > >> then
> > >> >> that ? Does anyone have one they could measure, to confirm that this
> > >part
> > >> >is
> > >> >> bad. I hate to order one, if it won't fix the problem.
> > >> >>
> > >> >> TIA,
> > >> >> LLW
> > >> >>
> > >> >> LeRoy Westlund
> > >> >> Westlund TV & Electronics
> > >> >> 97 North Main "Where there's a
>will,...
> > >> >> Centerfield, UT 84622-0087 There's always a way."
> > >> >> Ph./Fax 435-528-3822
> > >> >> mailto:LLW@xxxxxxxxxx
> > >> >>
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