🍽️Dishwasher

E20

Viking · VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle

Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle E20 Error Fix: Drain Valve Stuck

The dishwasher's drain valve is stuck open or closed, preventing proper drainage. This may cause water to leak or remain in the tub after cycle completion.

High severity2 fixes available

Quick Answer

Error E20 on the Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle means: Drain Valve Stuck. The top-ranked community fix is “Replace Drain Valve Assembly” (medium difficulty, ~50 min, DIY cost: $40-$60). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · dishwasher

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

Root Cause Analysis

Drainage Issue → Drain Valve StuckPrimary

When to Call a Professional

While many dishwasher repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $140-$220.

Other Viking Models with Error E20

VRFFB5361SS 36 in 21.8 cu ft French Door Refrigerator with Dual Compressors and WiFi Connectivity

refrigerator · 2 fixes

Other Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle Error Codes

Water Fill Timeout

2 fixes

E10

Overflow Protection Activated

2 fixes

E11

Drain Hose Kink Detected

2 fixes

E12

Water Level Sensor Failure

2 fixes

E13

Electrical Fault Detected

2 fixes

E14

Timer or Cycle Controller Failure

2 fixes

E15

High Temperature Limit Exceeded

2 fixes

E16

Motor Failure

2 fixes

People Also Ask About Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle Error E20

What does error code E20 mean on a Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle?

Error code E20 on the Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle means: Drain Valve Stuck. The dishwasher's drain valve is stuck open or closed, preventing proper drainage. This may cause water to leak or remain in the tub after cycle completion.

How do I fix error code E20 on my Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle?

The most successful fix is "Replace Drain Valve Assembly" (medium difficulty, ~50 minutes). Estimated DIY cost: $40-$60. HomeMD has 2 community-ranked fixes for this error.

Is error code E20 on a Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle error E20 myself?

Yes — the top-ranked community fix ("Replace Drain Valve Assembly") is rated medium difficulty and takes about 50 minutes. Tools needed: Phillips screwdriver, Adjustable wrench.

How much does it cost to repair Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle error E20?

DIY cost: $40-$60. Professional repair typically costs $140-$220. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle have?

The Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle has 8 other known error codes, including: E1 (Water Fill Timeout), E10 (Overflow Protection Activated), E11 (Drain Hose Kink Detected), E12 (Water Level Sensor Failure), E13 (Electrical Fault Detected), and 3 more.

Which other Viking models have the E20 error?

Error code E20 also appears on 1 other Viking model: VRFFB5361SS 36 in 21.8 cu ft French Door Refrigerator with Dual Compressors and WiFi Connectivity. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle have?

The Viking VDW302SS 24 in 44 dBA 3-Stage Filtration Built-In Dishwasher with ProWash™ Cycle has 8 other known error codes:

E1 — Water Fill Timeout (2 fixes)
E10 — Overflow Protection Activated (2 fixes)
E11 — Drain Hose Kink Detected (2 fixes)
E12 — Water Level Sensor Failure (2 fixes)
E13 — Electrical Fault Detected (2 fixes)
E14 — Timer or Cycle Controller Failure (2 fixes)
E15 — High Temperature Limit Exceeded (2 fixes)
E16 — Motor Failure (2 fixes)

Which other Viking models have the E20 error?

Error code E20 also appears on 1 other Viking model:

VRFFB5361SS 36 in 21.8 cu ft French Door Refrigerator with Dual Compressors and WiFi Connectivity (refrigerator) · 2 fixes

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