Question about Astra Mega II Espresso Machine

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Automatic astra II pulls a few great shots then error light on

Hi, I have an automatic mega II astra. It will pull out a few really nice shots and then the error light comes on and I'll have to mess with it for the error light to come off and to get a shot again. I have completely cleaned everything as well as reprogrammed it with with the manufacturer. The error light continues to come on as well as the water not coming through on the shots correctly. I have adjusted the grind on our grinder a few times to see if that would help and it hasn't. It will pull a few beautiful shots then it stops and I have to mess around with it for a half hour to get a few more shots then back again. It seems to have a bigger problem on the right side then the left as you face the machine. I also found that the steam wand on the right side was not working correctly today when we tried to use it. Steam would not come out only a small stream of water. Thank you SO SO much for any ideas you can provide!

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The error light usually comes on when there is no water flow through the group after about 5 - 10 seconds, indicating a clog of some sort. The fact that it happens after two shots, however could indicate an issue with the processor. The problem with the steam wand could also point to a clog situation, especially in the other wand is working. First, try running shots through the problem group with no grounds at all in the portafilter; Say five or six shots if you can to see if you get the error light. Look at the water flow in the process: The water should just pour out of the portafilter. If the water is running freely and you still get the error light, you are probably looking at a processor/sensor problem. If not, it may just be a restriction. Remove the screw from the middle of the group head (the diffuser), and remove the screen and the brass plate and check them for clogging. You really want to wait until the machine is cold before you do so as the parts will be extremely hot. As for the wand, try removing it, and check it for obstruction.

Posted on Aug 29, 2009

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