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revnormh

DACOR CPS130C Oven won't heat

3 posts in this topic

Our DACOR CPS130C convection oven is about 15 yrs old and recently indicated F1 on the panel readout (relay circuit failure-?) and would no longer heat, but merely goes through a preheat indication and shuts down. I am an electronic technician and have removed the relay board, tested the main relay (T91P1D22-18F07) which tests good (contacts close upon energizing the coil) and I also tested the high temp limit switch & it is good(continuity). What am I missing? Is it the electronic control unit?

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Need appliance parts? Call 877-803-7957 now!

Have you verified proper voltage to the oven?

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Yes, all voltages are proper. I finally checked other relays on the relay board, found a shorted diode, which was replaced (perhaps it shorted during one of my tests), re-installed all components and then went through all the tests in the ERC Quick Test from the diagnostic manual. This seemed to fix things as the oven now works :blinky:

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