e4
Moderate
Samsung · Dishwashers
Insufficient water supply error
Quick Answer
Error code E4 on your Samsung Dishwashers means: Insufficient water supply error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Fully open the water supply cut-off valve for the dishwasher.
2
Unplug the dishwasher and shut off the water supply.
3
Disconnect the fill line and examine the water inlet valve screen.
4
If the inlet screen is clogged, replace the entire water inlet valve (do not just clean the screen).
5
Check the wiring connections on the water inlet valve and secure any loose connections.
6
If the water valve does not open when activated, replace it.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Water inlet valve
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