Vibiemme Domobar Super - Control box, not working? - Page 2

by **KSinning** on Mon Jan 02, 2012 10:00 am

Maybe I wasn't clear - on "on" (I) with water in, all the lights are off - and the pump isn't starting, but if I lift the water tank the low water level indicator turns on - as it is supposed to do, but still no water in the boiler.

The US and European model looks the same to me.

http://users.rcn.com/erics/ · by **erics** on Mon Jan 02, 2012 10:31 am

Then, from what you are describing, the water level switch is at fault. You can TEMPORARILY test this by simply connecting the two black wires with a homemade jumper consisting of a 3" length of wire and two male spade connectors.

Ensure that the boiler has a proper water level by physically checking same.

by **cafeIKE** on Mon Jan 02, 2012 1:52 pm

Water level switch bypass tester

http://users.rcn.com/erics/ · by **erics** on Mon Jan 02, 2012 2:04 pm

Thanks Ian - perfect pic.

by **KSinning** on Mon Jan 02, 2012 5:04 pm

I tried that and it worked perfect, thanks a million - it is now up and running.

Is it possible to fix the switch or do I need a new one?

After refitting everything I want to make sure that all the seals are tight and perfect is it possible to make a pressure test or is it ok, if there is no visual leaks.

I also did have a technician to test the control box and there was no errors at all - Eric you got a lot of credits for your electrical diagram. Thanks again.

by **cafeIKE** on Mon Jan 02, 2012 5:22 pm

Replace the switch

by **cannonfodder** on Tue Jan 03, 2012 12:10 am

The switch is inexpensive. It is a SPST NC (single pole single throw normally closed) and should be available from you local espresso parts dealer for just a few dollars. You can run the machine with the jumper for now but if you run the reservoir empty it can cause some serious issues.

by **Randy G.** on Tue Jan 03, 2012 1:47 am

Since that switch carries the entire electrical load of the machine, be sure to get one with a sufficient rating.
It's $30 + shipping HERE

by **KSinning** on Tue Jan 03, 2012 9:31 am

I managed to clean the connections of the microswitch - so now it's working until i get a new one. Thanks for the link.


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