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FIXED DMT800RHS/XAC Samsung Dishwasher - Draining/SE Error

dlagrainge

Premium Member
Joined
Sep 10, 2019
Messages
6
Location
Kitchener, Ontario
Model Number
DMT800RHS
Brand
Samsung
Age
6-10 years
My dishwasher will run for about 20-30min and then display an SE error. I have deduced that this means there is an error with draining and that is evidenced by the water in the bottom of the dishwasher.

I pulled the dishwasher out, unplugged it, and disconnected the drain hose. I took a part the assembly in the base of the dishwasher, draining all the water and collecting any debris. I used some baking soda and vinegar through the drain tube and have confirmed that the tube is not blocked and water will flow in and out of the dishwasher through the tube. I plugged the dishwasher in and ran it and it seemed to be running better (quieter, as it had been making some noise previously) until again after about 20-30min it beeped and showed the SE code blinked on the screen.

From what I have read, I think it is probably the drain pump? Since I am confident the drainage pathway is free and clear, what else could it be?

M/C: DMT800RHS/XAC
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
107,926
Location
McMullen Valley, Arizona
Hi,

That should be error code 5E not SE.:)

Drain Error--->When OFF status (Switch Open / no water) of the Water Level Switch is not detected within 3 minutes of draining.

Failure Components
--->Drain pump defect.
--->Water Level Sensor defect.
--->Drain hose/pump Clogged.
--->Drain pump wire not connected.
--->Main PBA defect.

Here's the error code list for this model: https://drive.google.com/open?id=1cuLdpAZPrgt4_8zmqJYGWH_QnqoGZBec

Here's the service manual for your model: https://drive.google.com/open?id=1L2ILYWIqLo7ZpCLBhOBVR_V2SN9C6fRo

Page 50 tells you how to test for 120 volts to the drain pump when it should be draining.

Here's the parts for your model:

Jake
 

dlagrainge

Premium Member
Joined
Sep 10, 2019
Messages
6
Location
Kitchener, Ontario
Jake,

- Hose isn't clogged, I confirmed that (multiple times).
- Drain pump is working (it's plugged in and spinning on my desk at work right now)

Just for sake of ease, what is the next best thing to check? What's easiest?

Thanks,

Derek
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
107,926
Location
McMullen Valley, Arizona
Ok Derek,

Use a multimeter to check for 120 volts at the drain pump electrical connectors on the machine when it should be draining.

Jake
 

dlagrainge

Premium Member
Joined
Sep 10, 2019
Messages
6
Location
Kitchener, Ontario
There must have been something in the pump before I took it out.

I tested the pump outside of the dishwasher and all was fine, it ran great.

I re-installed into the dishwasher and plugged it in with a multimeter attached to it. It ran it's full cycle perfectly and hit 120V every time it needed to drain.

Not sure why this happened as I haven't been able to determine a root cause, but it seems to be okay now (knock on wood).
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
107,926
Location
McMullen Valley, Arizona
That is very strange, glad it's working now.:)

Jake
 
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