MODEL PROFILE
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Error codes and display signals
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MODEL OVERVIEW
About this model: Samsung DW80M9550US/AC
Samsung DW80M9550US/AC WaterWall: exact panel, ordinary settings and six displayed information codes.
Identify this WaterWall model and its display
Samsung Canada's product page names DW80M9550US/AC, and its support page links the owner's manual identified by file ID 6708954. The cover says DW80M9*, but the appendix names DW80M9550US and page 10 draws a separate DW80M95** control from the DW80M99** panel. Page 11 confirms that its numeric display shows remaining time, delayed-start hours and information codes with a warning sound. These details establish that the code table applies to this exact stainless WaterWall unit. The official listing rates it at 42 dBA with 15 place settings. Its moving WaterWall bar sweeps wash water under the load; Zone Booster adds concentrated action on the left. A photo of the complete panel and model plate is more useful than recalling a blinking light alone. Record whether a two-character code remains visible, which cycle was running and whether the sound came before or after opening the door.
Choose wash and drying settings before diagnosing
Lower Rack Only activates the lower nozzle and is appropriate when the load really is confined to that rack. Zone Booster directs extra force to the left lower area, so a stubborn pan belongs there rather than beside delicate glasses. For sanitation, the manual is specific: it is Heavy with Sanitize that is designed for the stated soil-removal and sanitization efficacy; a lit option on a different cycle is not the same claim. Delay Start can be set in one-hour steps up to 24 hours, and the display then shows a planned start rather than a fault countdown. The Self Clean indicator can blink briefly after roughly twenty to twenty-two cycles as a maintenance reminder. To start or resume, press Start and close the door within three seconds. AutoRelease deliberately opens the door shortly before completion for drying; its temporary inability to be closed is explained as an operating state. Check these choices before treating a paused or damp load as a failed component.
Separate reflector and setup indications from faults
The WaterWall reflector creates a particularly distinctive non-code symptom. If something obstructs its travel in the tub, the display may blink and the machine chime; after a cycle even a flashing zero can represent that interference. Remove the obstacle from the bottom before assuming the wash motor has failed. A0 and A1 enable or disable AutoRelease, while U0 and U1 select sound and B0 to B5 adjust pocket-light brightness. Those settings are not service faults, and AP is the phone-connection mode listed in the same table as codes. Loading still matters: face large pots downward in the lower rack and keep the spray path clear; use only automatic-dishwasher detergent, since ordinary liquid creates excess foam. Observe the exact characters, whether the reflector has room to move, and whether water is actually entering or draining. The manual's display symbols describe different states, so a flashing setting deserves different handling from a persistent two-character information code.
Read the six actual information codes
Page 34 gives six true problem rows. LC calls for a leakage check; where a supply connection leaks, Samsung instructs the owner to close the water valve, turn off the dishwasher circuit breaker and contact the installer or authorized service. 4C asks for a water-supply check: verify the valve and look for an inlet line frozen or obstructed. 5C is a drain check; after shutting off water, inspect a folded or clogged hose and the sump drain opening. HC concerns high-temperature heating; its prescribed functional check is an empty dishwasher with detergent, followed by service if the code persists. 3C is a pump-operation check and PC is a Zone Wash function check; for each the manual says to turn the dishwasher off and retry, then seek service if it returns. AP is described as smartphone connection and must not be counted as a seventh fault. The table identifies the reported subsystem, but it does not prove which part needs replacement in a particular kitchen.
Verified model details
Exact DW80M95 digital panel
Source for this detail · Source page: 1WaterWall and left-side Zone Booster
Source for this detail · Source page: 1042 dBA and 15 settings
Source for this detail · Source page: 35AP and A0/A1 are ordinary modes
Source for this detail · Source page: 14Six codes LC through PC
Source for this detail · Source page: 34
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Manufacturer source
Open official source
DW80M9550US Premium Dishwasher with WaterWall Technology
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.