
Dorota
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I am having a vacuum error on a very old porcelain oven. It either fires great with no issues at all and pulling full vacuum or on occasion just doesn't draw any vacuum at all even though the light indicates it should. The pump doesn't even make a noise and vacuum error pops up. I switched pumps, I cleaned the table, I made sure hoses are firmly attached. Looks like it doesn't sense it's time to pull vacuum. To me it looks like some kind of sensor that malfunctions. Any other ideas? It's too old to spend money on shipping and pay for repairs but if I can fix it myself, I apreciate the ideas. Any clues will be appreciated. Thanks!