Question about Hobart LXiGC Dishwasher

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Dishwasher calls for detergent & rinse

Our commercial Hobart LXI dishwasher will scream and call for detergent & rinse. It will work for a few days and then it will start in again. We changed the squeeze tubes but it still persists. Sometimes if we run it through a few cycles it stops but then for no reason it will start up again. I have called serveral repair services and they don't seem to want to work on it. Any ideas?

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I take it, the screaming is a beeping sound from the detergent alarm feature.
The chemical tubes from detergent and rinse run through a sensor board on the rear of the machine. If there is an interuption in the flow, or an air hole in the tube, or wrong chemical, it will trigger an alarm..
Is there a chance when replacing the pump tubes, that they were installed in the wrong direction? They should feed in on the bottom, run clockwise and discharge at the top. Check for restrictions in the flow.

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

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What type of detergent is not necessarily important - anything intented for use in commercial dishwashers should be sufficient. A restaurant supply store should have something suitable for you.
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I have purchased a business - with a Hobart LXi - and no manual. I can't figure out what soap etc to use - or how it gets into the dishwasher!


Contact your local chemical supplier such as EcoLab or AutoChlor to purchase the proper chemicals. Use ONLY commercal dish washing chemicals. Residential detergents like Cascade do not dissolve fast enough and WILL, in time, cause you trouble if used in the LXi.

There should be three colored plastic tubes at the rear of your machine. Red is to be put in a container of liquid detergent, Blue is for rinse aid, and white/clear is for sanitizer. Your chemical salesman should be able to show you how it's done at no charge.

You may also want to register here http://www.hobartservice.com/Manuals/ then download the manuals for the LXi dish machine.

All the best.

Nov 28, 2009 | Hobart LXiGC Dishwasher

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Question--As of today if you look at the display does it read add detergent or add rinse aid?Im asking you this because theres a chemical pump circuit board that senses the chemicals on this d/w.And if the d/w displays those the d/w will keep dumping det/r.a. in.Let me know,if this is not the issue i will get you into the service program and step you thru.

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