Why the Filter Comes First
Cove uses a self-contained filter rather than a hard food grinder, so the fine and coarse screens catch what the spray arms rinse off. When that filter loads up, water cannot circulate cleanly and the machine leaves grit on glasses or drains slowly. Twist out the cylindrical filter assembly, rinse both screens under warm water, clear the sump of any debris, and seat it back with a firm quarter turn. Once a month is a good baseline in a busy Loveland household, and more often if you rinse plates lightly before loading.
Rinse Aid and Hard Mountain Water
Water across the Loveland valley and Eagle County carries mineral content that dries as a white film on the tub, the stainless interior, and glassware. The Cove relies on rinse aid to sheet water off dishes during its condensing dry, so a low reservoir shows up first as damp dishes and spotting. Keep the rinse-aid dispenser filled and adjust the dosage up a notch if you see streaks. A monthly run of dishwasher cleaner on the hottest cycle dissolves scale off the spray jets and the hidden heating element before it hardens.
Spray Arms and Racks
Lift out the lower spray arm and check the jets for mineral plugging or a trapped seed or toothpick. A partly blocked arm washes unevenly, usually leaving the top rack under-cleaned. Rinse the arm, poke any clogged jets clear with a soft pick, and make sure both arms spin without catching a tall item loaded below them. Loading matters too: keep large platters off the sides where they can block the arm sweep.
Door Seal and Drying
Wipe the door gasket and the tub lip every few weeks so food film does not build into a musty smell or a slow drip. The Cove dries by condensation against its stainless tub rather than a fan and exposed element, which is gentle on stemware but depends on a full final rinse and rinse aid to work. If plastics come out wet, that is normal for condensing drying; load them on the top rack and give the cycle time to finish before you open the door.
Maintenance Schedule
| Task | Interval | Why It Matters |
|---|---|---|
| Rinse fine and coarse filter | Monthly | Clean dishes, proper drainage |
| Refill rinse aid | As needed | Drying and spot-free glass |
| Run dishwasher cleaner | Monthly | Clears scale from jets and heater |
| Check spray-arm jets | Every 1-2 months | Even wash across both racks |
| Wipe door gasket and tub lip | Every few weeks | Prevents odor and leaks |
Want a Professional Check?
Book a brand-focused visit for your Cove dishwasher. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.
Frequently Asked Questions
How Often Should I Clean the Cove Dishwasher Filter?
Does Hard Mountain Water Affect a Cove Dishwasher?
Why Are My Dishes Not Drying in the Cove DW2450?
Related Reading
Cove Fault Guide
How the DW2450 signals problems.
Cove Not Draining
Standing water fixes.
Cove Repair
Models and problems we service.