Question about Saeco Vienna De Luxe Espresso Machine
Our Vienna De luxe's 2 green lights are blinking and we can't figure out how to stop them and make coffee.
This is a cold boiler problem.
There are several reasons for a cold boiler...boiler element is open, no power to the boiler element, thermostat is not functioning properly, or it could even be a board problem not delivering voltage to the boiler.
First start by opening the top and reseating all connectors on the board, if this does not help then you will have to extract the insides of the machine from the case to get at any of the boiler and thermostat hardware.
Start by removing the 1 screw holding the inside workings to the outer case. This is located on the right top side of the machine beside the grinder.
Use great caution while pulling the guts out of the case and watch the dredge drawer switch does not hang-up on the case. Snake the power cord through the bottom of the case while pulling the inner workings out of the case.
There are 2 elements in the boiler check them both for a resistance (they will not be the same resistance) if either are open then then replace the boiler. Check the thermostat on the back of the boiler for resistance, if open or shorted, then replace. Check thermal breaker on boiler, this should be shorted if not, reset it by pressing the button in the center of the breaker.
If none of this works then you will have to depress dredge drawer switch front door switch and insert the brew group to depress the brew group switch, plug in the unit and turn it on.
Check for voltage on the elements on the boiler.
If no voltage then check all connections.
If you have gotten this far there is a good chance it is the board fault and it will need to be replaced.
Be shure to label all connections to the mother board as there are several connectors that can be placed in the wrong position while reassembling.
NOTE: This depth of trouble shooting should only be attemted if you are completely comfortable with electrical/electronic repair.
Posted on Jun 24, 2009
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