A Cove problem is usually easier to describe once you know which system is involved. This guide covers the common failures and the checks we run to find them.

The Cove Dishwasher
Cove is the dishwasher line built to sit alongside Sub-Zero and Wolf, and the DW24 is engineered for quiet, thorough cleaning with a conventional filter and drain arrangement. Cove does not publish a long numeric code list, so service is symptom-driven: a machine that will not drain, one that leaves dishes dirty, or one that will not fill. Each of those traces to a specific part we confirm before replacing.
How We Diagnose It
Most Cove calls come down to the drain pump and filter, the spray arms and wash pump, or the inlet valve. The symptom table below is how we sort them, and because these machines share careful tolerances with the rest of the Sub-Zero group, a correct diagnosis and genuine OEM parts keep them running quietly.
| Symptom | Likely Cause | What We Check |
|---|---|---|
| Will not drain | Drain pump, filter, or hose | Filter, pump, and drain path |
| Dishes still dirty | Spray arms or wash pump | Arm rotation and pump pressure |
| Will not fill | Inlet valve or float | Valve operation and supply |
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