Viking Built-In Dishwasher Code Dispenser Error (4-3): detergent dispenser reported

What Dispenser Error means

Dispenser Error, shown as 4-3, is listed for Viking Professional VDB450 and Designer DDB325 built-in dishwashers, but only in the service cycle. The Pots/Pans light flashes four times and the Normal Wash light flashes three times. It means the control found a problem with the detergent and rinse-aid dispenser during that diagnostic run, so detergent might not be released properly in a wash.

Common causes of Dispenser Error

Dispenser not opening or releasing as commanded
Loose or damaged dispenser connection
Control not driving the dispenser

✓ One safe check you can try

1. Open the door and check that the detergent lid closes and latches by hand, and that nothing is stuck behind it. 2. Wipe away hardened detergent from the dispenser with a damp cloth. 3. Run a normal cycle and look at whether the detergent cup is empty at the end. 4. If it is not, or 4-3 returns, call us.

! Why to stop there

The dispenser mechanism is inside the door and cannot be tested without opening it
Cleaning only helps when the issue is caked detergent
We quote before working, and every repair has a 30-day warranty

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Dishwasher codes

Heavy FlashingViking Designer Dishwasher Code Heavy Flashing: too much water in the tub Siphon ErrorViking Built-In Dishwasher Code Siphon Error (2-5): level sensor error, check leveling and drain hose High Level ErrorViking Built-In Dishwasher Code High Level Error (2-4): water level above limit Temperature Sensor ErrorViking Built-In Dishwasher Code Temperature Sensor Error (4-1): water temperature sensing problem Inlet Valve ErrorViking Built-In Dishwasher Code Inlet Valve Error (4-4): fill valve reported User Interface Communication ErrorViking Built-In Dishwasher Code User Interface Communication Error (3-1): panel not talking to main control Internal ErrorViking Built-In Dishwasher Code Internal Error (5-5): control reported its own problem Wash Heater ErrorViking Built-In Dishwasher Code Wash Heater Error (4-2): wash heater problem

Dispenser ErrorDispenser Error questions

Does 4-3 appear during normal washing?

It is described as a service-cycle code, so it normally appears when diagnostic testing is run. If you see it during an ordinary wash, tell us when you call so we can note it.

My detergent is not dissolving. Is that this code?

It might be related, but clumped detergent from a damp cup is a more common reason. Dry the cup, use fresh detergent, and see whether the cup empties during the wash. If it does not, the dispenser needs a look.

Can you fix the dispenser at my house?

Usually yes. We inspect the dispenser and its connection in the door, confirm the part, and quote the repair in writing before we start. The work carries a 30-day warranty.