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Thread: 4E code on Samsung dishwasher

  1. #1
    Join Date
    Jun 2012
    Location
    florida
    Posts
    2

    Default 4E code on Samsung dishwasher

    Model Number: dmr78ahs
    Brand: Samsung
    Age: 1-5 years

    I have a 2 year old Samsung dishwasher model DMR78AHS. A 4E code appeared indicting a water problem. A repair tech replaced the water valve and new hoses. There is plenty of water pressure and the water valve is open and the hoses are not kinked. Still get the error code. I saw a suggestion that the insulation in the door could corrode the wires, took the door off and everything looked fine. Looking for any suggestions as to what to do next.

  2. #2
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    13,643

    Default

    Hi,

    I have no experience with these but I found this...

    Name:  Flow-Sensor-DD32-00004A-01354819.jpg
Views: 3264
Size:  3.0 KB Flow sensor/meter manufacturer Number DD32-00004A

    4E or low flow errorDishwashers
    were produced with an incorrect water flow meter. The water flow meteror impeller controls the amount of water insidethe tub assembly. Specifically, the flow meteraxle shaft was designed to have a 2.5 mmclearance width. The axle shaft was changed to1.5 mm spacing in error. The smaller gapcauses the impeller to touch the base of the housing, restricting water flow. The problem is more
    pronounced where the water pressure is lower.

    SYMPTOM: Depending on the water pressure the symptom the unit will show error code 4E,indicating the water level in the tub is too low. This will occur on the first operation in low water
    pressure environments. In high water pressure installations, the 4E error may be intermittent.

    Solution – The repair for this issue is to replace the entire flow meter assembly which includes the
    impeller and the impeller housing.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  3. #3
    Join Date
    Jun 2012
    Location
    florida
    Posts
    2

    Default

    Thank you Jeff for your help and reply. I will pass this information on to my repairman.

  4. #4
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    13,643

    Default

    Your welcome, hope it helps

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

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