microwave stopped cooking

[vp22er]

recently purchased a used 2011 surveyor 189 with a hamilton beach 900 w mircowave. everything works but it does'nt cook. most likely the wave guide is shot. looking to get a replacement, has to be a fit in 20.5x14.5x14 any help leading me in the right direction would be great.

[Oakman]

Is the microwave still under warranty? If so I'd have the dealer replace it.

[bikendan]

if it's not under warranty, as far as i know, any household MW will work.
as long as it fits in the cabinet.
there's no special "RV" microwave, since it still is regular 110v AC.

[vp22er]

no, it's not under warranty, and the service dept basically said it would be a whole lot cheaper if you did it yourself.

[acadianbob]

Originally Posted by dbchamberlin

no, it's not under warranty, and the service dept basically said it would be a whole lot cheaper if you did it yourself.

Yes, and if you can find the right size, it will be easy enough. You will find a 110 outlet back there that it just plugs into.

[punkaccountant]

Whenever we are connected to shore power with the 30 amp to 15 amp adapter, the microwave will run but not cook very well. Once we connect back to 30 amp, though, it works fine. Could this be the problem?

[Great Horned Owl]

If the microwave is plugged into a duplex outlet, connect a digital voltmeter to the other outlet and check the voltage while the microwave is running. If it drops below 110V you either have a bad adapter, or you are connecting to a bad 15 amp circuit.

If it is not at a duplex outlet, connect it through one of those outlet extenders.

[vp22er]

no on the duplex. I pulled the unit and tried it in the house, still does'nt cook. Looking for a replacement that will fit the adapter 19x10.5x 14 to 15.

[Herk7769]

The magnetrons in most microwaves are warranted for 10 years. They are limited to the free replacement of the part ONLY; not the labor to install.

If you have experience with servicing TEMPEST computers (I do) or microwave equipment you should have no trouble changing out the magnetron. If you do not know how to service a machine that generates microwaves you should leave this repair to a professional.

If the metal foam seals around the magnetron are not properly maintained, microwave radiation can leak out into the camper causing all kinds of havoc to equipment and people.

[VTX Al]

FYI - Dometic microwave, supposedly designed for RV's, is approx $150.00 at Camping World.

...VTX-Al

[Herk7769]

I have to add that low AC voltage will not fire most magnetrons. I have been at several campgrounds where due to the number of campers; high usage (Air conditioning); and poor electrical distribution, the voltage supplied at the campground dropped below 105 volts.

I have a Franks unit that I use in situations like that to avoid issues with my AC and microwave.

[bob7794]

Like Herk said...it needs a new picture tube.

[TURBS]

Or a gizmobob be warned tho they look a lot like a cutenator valve to which you SHOULD not have to add blinker fluid to .
by the way im going to go change my blinker fluid now that i am towing my camper again.

[dimurrrw]

Originally Posted by f1100turbo

Or a gizmobob be warned tho they look a lot like a cutenator valve to which you SHOULD not have to add blinker fluid to .
by the way im going to go change my blinker fluid now that i am towing my camper again.

Might as well service the transmission on your jacks while you are at it. An ounce of prevention...

[Oakman]

I don’t know how much leeway you have on your measurements but FWIW, my Wildcat has a Magic Chef microwave that is very close to your needs. The model number is MCD990ARB and it’s 19.5 X 11.6 X 15.3.

[vp22er]

Thanks one and all. I found a unit at Target for under 70 dollars at it has the mesurement that will fit the frame. I'll make sure it works before I install it.