Error Code 4E
The dishwasher isn't getting enough water to run
Moderate
Address soon - your appliance may not work properly
Also displayed as: 4E
What This Means
Water supply pressure is low; Water supply valve is closed; Non-water switch is broken; Wash pump doesn't work; Main PBA has some problems
What actually causes this:
The water supply valve under the sink is turned off, the water pressure is too low, or the water inlet is blocked
First Thing to Check
Make sure the water supply valve under your kitchen sink is fully open
Parts Involved
How to Fix
- 1
1. Check that the water supply valve is open
- 2
2. Check water supply pressure — must be between 20 and 120 psi
- 3
3. Check the non-water switch connections and operation
- 4
4. Check the wash pump connections and operation
- 5
5. If all components test normal, replace Main PBA
This Error Applies To
Samsung DW80M2020U Series Dishwashers (2016) (2016–present)
Related Error Codes
Too much water is building up inside the dishwasher
The heating element isn't warming the water to the right temperature
Water is leaking inside the base of the dishwasher
The water temperature sensor has lost its connection
A control panel button appears to be stuck or held down
The dishwasher's control boards can't talk to each other