The cited article supports first checks for water supply, drain, leakage, temperature, button and related dishwasher error-code conditions, not a full maintenance schedule.
Safety and recalls
No recall is attached to this support scope unless a separate official Samsung or CPSC recall notice is matched.
Primary citations
Samsung dishwasher is displaying an error code
Samsung documents LC and LE as leakage errors where the leak sensor detects moisture; the dishwasher may run to drain water, and Waterwall models may also indicate a blocked reflector.
Source
Samsung Electronics America (A)
Section
Samsung dishwasher is displaying an error code
Last checked
2026-07-27
Samsung dishwasher is displaying an error code
Samsung documents dishwasher 4C and 4E as water-supply errors where the dishwasher is not getting water at the pressure or temperature it needs.
Source
Samsung Electronics America (A)
Section
Samsung dishwasher is displaying an error code
Last checked
2026-07-27
Dishwasher - Error, Fault or Function Codes
GE Appliances documents FTD or F56 as failure to drain and says to check the drain hose, air gap, and disposer.
Source
GE Appliances (A)
Section
Dishwasher - Error, Fault or Function Codes
Last checked
2026-07-27
Dishwasher - Error, Fault or Function Codes
GE Appliances documents PrS as an invalid pressure-sensor signal to the control, notes that the cycle cannot start or will cancel, and recommends service.