nothing happens when the up/down button is pushed. no motor noise.
so, I would rate myself as capable when it comes to home improvement, but not an expert. do I just remove the screws I can see and start taking this unit apart? if memory serves, I can see like 2 or 3 screws below the top black panel. will I need any electrical experience to do this?
hmm, the oven is not involved. its a thermador cook n vent that is behind our cook top stove.
i just replaced the up/down switch on the thermador cook n vent as we discussed above using the part you provided a link for. everything i think went fine when installing the new switch, except...
when i turned the power back on, the unit was already in the up position. so i tested the exhaust vent which worked fine. then i pushed the up/down button and the unit went down. great. but now it is stuck in the down position...
the switch "clicks" so i dont think thats the problem. I've read other places that there may be an up/down trigger to stop the up/down motor from going to high or too low. could that be the problem?
That would not be the problem. Those limit switches tell it when to stop, but holding the up/down switch would bypass those limit switches. That means that possibly the up/down switch became un-plugged when it moved, or the motor is jammed. Those are the only thing that would allow the unit to go down but not back up.
Also, it's been over 2 weeks now. Please remember to rate my service before you leave. If you have any other questions, please ask me – I’ll be happy to respond. You can continue asking follow-up questions until you have all the information you need even after rating my service. Thank you!
so, the unit has been in the up position for a few weeks. the other day, before i replaced the switch, i was using the exhaust fan, and the unit just went down by itself. it seemed to be working fine. up and down no problem. but i left it in the up position and replaced the switch anyway. does that tell you anything about the problem?
no humming from the motor. i made sure all the connections from the new switch were pretty well connected.
perhaps the issue is further down the line with the wiring?
so weird. just as i was about to type this reply, the unit went up by itself like a ghost.
well now i'm back where i started as the unit will not go down. except we have a brand new switch installed. no humming from the motor. the exhaust fan works too. i guess 2 final questions.
any last thoughts?
what kind of service person even works on this kind of stuff?