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rokosz

Monogram ZET3038SH3 takes a long time to kick-in

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rokosz

wall oven, electric.  Installed 10 years ago. Symptoms started probably 1 a year or two ago.

Set it to bake at some temp,  and now pretty much everytime,  it won't start pre-heating for a good 10 minutes. Sometimes you might be able to jump it a bit by hitting cancel/turn if off and start over.

Lately its been taking a lot longer to begin pre-heating -- tonight it was close to an hour with multiple attempts at jumping it.  That's a sudden increase from the usual 10-15 min.   Two of our kids ended up malnourished, or so you'd think from their whining.

So, any masters out there have an idea?  To me it seems like a thermostat is having a tough time receiving the signal to pay attention to the temp setting.  I've tried to listen for clicks when it actually does kick in. When I first say go I can hear a faint tick from the unit -- but that doesn't mean it'll start pre-heating.  I seem to recall, but can by no means claim its true, that a very audible click happens when the pre-heat kicks in (like the thermostat on the wall for home-heating.)

This happens whether baking or broiling.

 

thanks all.

btw, before I posted this topic I tried searching similar topics but apparently the only search is for parts?

 

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certified tech group 51

locate your wire diagram, somewhere in the top behind the control panel...look at your relay configuration, chances are your DLB ( double line break) relay is failing...About 450 Clam$ for a new board...........Could also be a bad connection at the junction box, behind unit or a loose set screw at the breaker at the main panel.....Seen both before...

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rokosz

Oh joy. Thank you CTG51 I was pretty much assuming it wasn't "Mechanical".  Both possibilities are new to me as far as effort.   Sounds like the Set screw would be  real nice - but pulling the unit out of the wall (presumably) to get to the board (or the boxes/jx) , and/or replacing the board without futzing things up and hoping that's the correct issue. uuuggghh.   Given that the issue is somewhat intermittent is it all that likely to be a bad connection?  Since the unit saw years of service before any trouble?   I suppose that depends on the definition of "bad".   Maybe i'll find a number of electrocuted mice...

One thing's for sure -- can't procrastinate on this one with T'giving on its way.  I'll post back...

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rokosz

so here's an update.  No hope for easy solution, but a little info.

I wasn't going to trust spending hundreds on boards  to replace without knowing which is the culprit.  I called a local (well not local -- a 800 number referral service I realize now).  Guy shows up takes the face plate off the top -- ahhh that's how I can get to the boards.  Charges me 80$ for the visit/diag. (no real diagnostic or testing)  Quotes me rough prices for the boards/parts (400+). Says he'll get back to me in a few days.  I hear nothing for a week.  Call them. I can't remember the exact excuse but I seem to recall hanging up on them (the excuse was that pathetic).  But I also understand -- if they buy the part, install it and it still doesn't work... hah hah on them

So I called GE Appliance. Much more professional.  Guy did futz about but said when he's seen this yeah its circuitry.  He convinced me to buy an ext.wty through GEApps. (gasp!  I never buy ext wtys).  But, with that in hand, allow 30 days for effectiveness of the extwty then call again.   Someone will come out, make the same assessment: yeah its not worth the effort to figure it out, try parts etc.  -- and they'll give a new unit.  I also got my monster 400lb MG fridge on it too -- I'd like to see them swap that puppy out.  I helped move it in and one of the other guys lost a couple of days work due to a strained back.

Bizarrely, for a couple of weeks at least - the ove kicked right in every time.  I started to think he reset something when I wasn't looking -- and blinded me on the extwty purchase.  But its back to its old tricks. 

Adversity breeds ingenuity:  one consistent method to avoid retry after retry:  start convectional -- its immediate, then cancel and start bake, no problem from there.

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