In early Jan.2016, the oven started to malfunction, eg not attaining set temperature, shutting off before set time,light flashing. A Cert. Dacor Technician advised oven needs #3 heat sensor & relay board ($486. parts alone) - he did not remove the oven from the wall to do any diagnostics - just played around with the control panel and stated the noted parts were needed .Waited 3mos for board - backorder. Note that the relay board and cooling fan was changed in 2012 on this 2009 oven which costs us $4500. Two weeks ago the tech arrived to install both parts - advised he could not enter His/THE code which according to him is necessary to install the new heat sensor, therefore, he advised it was obvious the Logic Board was now malfunctioning and would have to be replaced at a cost of approx. $1300.00. He advised to contact Dacor cust. service as they might discount the part for me. Contacted Dacor in Calif. who advised the Logic Board is approx. $300., while the quoted cost of +/- $1300. would apply to the Control Panel Assembly #12685-001 which includes the actual LCD Display # 92386, a LED Board # 923855S and the previous mentioned Logic Board #72724-C. The dilemma is: am I being scammed or whatever by the tech as common sense tells me that I likely need just one extra part (Logic Board) as opposed to the $1300. part which includes all of noted three parts. Note that DACOR Cust. service would not offer an opinion on the scenario nor would they put me through to their tech dept as stated this dept is only avail to authorized field technicians.
Your tech is making it easy on himself, either he makes bank on the 1300 dollar repair or you back-out and let him off the hook.... Heat/ Temp sensors are nearly universal, so just about any RTD sensor will work in the oven, they are easily replaceable as well. Second, the logic control module is $269.40 at RepairClinic, I would start there- while installing the logic board, pull out the relay board and give it a close look in the daylight to see if any of the solder joints on the back of the board are cracking, burned, or otherwise failing- it is probably fine. Install the logic board and observe operation, the rest of those parts are likely not necessary- your tech sounds like a "Parts Changer Monkey," the old PCM.
SOURCE: Dacor Microwave DMT2420S control panel screen white
It is the CPU/display assembly that has a problem.
We regularly repair such control
units for
customers nationwide by mail for $39.95 postpaid in about a
week or so with a one-year guarantee.
In my professional opinion, there are weaknesses in both the design and manufacturing.
Our proprietary modifications and repairs are designed to not only repair these, but prevent them failing again.
We have
the service / repair manual for this model and have uploaded
it to our
site here for free download to help you with disassembly.
Please tell your builder about us.
Feel free to contact me directly (and please remind me of your
full model number from the tag on the unit) for more
information & help.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com
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