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Cycle starts then stops with heavy and smart auto lights blinking

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Hi there,
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Posted on Jan 02, 2017

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1 Answer

What causes a Samsung dishwasher to flash heavy and smart auto on control panel


Hello. The lights you describe are an error code that means over-level filling (overflow condition) and/or the leakage sensor underneath has detected water. You need to check underneath the unit for any moisture. There is a leakage sensor located at the center of the base, underneath the unit. If it detects water, it will notify the main board which will stop the unit until the condition is cleared.

Aug 02, 2015 | Samsung Dishwashers

1 Answer

Model MDB7749AWB. Why does it stop mid-cycle?


Defective washer control board is the most common fault.

Mar 15, 2017 | Maytag Dishwashers

1 Answer

Why does the Heavy and smart auto lights flash simultaneously after cycle starts?


It means "over-level water error". Usually caused by a bad case-brake assembly.

If you need further help, reach me via phone at https://www.6ya.com/expert/ronald_e6b9572cebe3ad27

Jun 05, 2014 | Samsung Dishwashers

1 Answer

Low water level


Try to unstick the float. The float tells the DW how much water is in it at any given time. It is shaped like a mushroom on the bottom of the DW basin. Gently pick it up and set it back down. Does it seem free? Try the cycle again.

Jan 10, 2014 | Samsung DMT400RHS Builtin Dishwasher

1 Answer

Low water level


I have a Samsung DMT400RHS and I started getting the low water level error ('Normal'+Heavy'+Smart Auto' LED blinking). The error started intermittently a few weeks ago, but the the last day or two the problem was solid, and simply restarting the cycle no longer worked.
I looked of the code in the dishwasher user guide and it said 'low water level.' Searched the internet and located the repair manual at tradebit.com for $15. The manual was well worth the $15.
The manual suggested: 1) loose level sensor connector 2) Faulty Assy case sensor or stuck floater aka 'remove foreign matter' 3) Bad Main PBA assy.
Since we do 10+ loads a week for the last 18 months the stuck floater seemed to be the most likely cause.
Go to Samsung DMT400RHS Low Water Level Error ('Normal'+Heavy'+Smart Auto' LED) (new link is https://photos.google.com/album/AF1QipNtp1neOR7icVG8cSs71bLpxQD5k_xljiWcJD2P click the i on each picture to see the caption - DM 04/17/2016) to see the pictures and read the captions documenting what I did. Do this at your own risk. You must turn off and disconnect the electric power and turn off the water supply before you begin.

Jul 24, 2013 | Samsung DMT400RHS Builtin Dishwasher

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