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Sub-Zero & Wolf·Dishwashermedium severity
Sub-Zero & Wolf Error Code E2
Drain error
Common Causes
- 1Clogged filter
- 2Kinked drain hose
- 3Drain pump blockage
Step-by-Step Troubleshooting
- 1
Remove and clean the Cove triple-filtration system — unscrew the cylindrical filter and rinse under running water
- 2
Check the drain hose for kinks, especially where it connects to the garbage disposal or drain pipe
- 3
Verify the air gap or high loop is properly installed — prevents backflow from the sink drain
- 4
Listen for the drain pump during the drain cycle — humming without draining indicates a blockage in the pump impeller
Pro Diagnostic Tip
Cove dishwashers have a fine mesh filter that traps particles other dishwashers miss. Clean the filter monthly for optimal performance — a clogged filter is the #1 cause of E2.
You Might Also Notice
- •Standing water in the bottom after cycle
- •Dishes still wet after drying
- •Gurgling sounds during drain
- •Slow or incomplete draining
Parts, Cost & Difficulty
Repair Difficulty
Easy — DIY FriendlyEstimated Repair Cost
$250–$550
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
COVE-818900 Drain Pump Assembly818863 Filter Assembly SetCOVE-818920 Drain Hose with Clamps
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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What This Repair Involves
Here's what a professional technician does to resolve this issue:
Clean filter and check drain hose
This repair requires bearing pullers, drum spider wrenches, and diagnostic software for control board calibration. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Safety First — Know the Risks
High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
Licensed & Insured · 90-Day Warranty · Same-Day Service
Ready to Get This Fixed?
Don't let error code E2 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Sub-Zero & Wolf error code E2 mean?
Sub-Zero & Wolf error code E2 indicates: Drain error. This is a medium-severity issue affecting your dishwasher.
How do I fix Sub-Zero & Wolf error code E2?
Remove and clean the Cove triple-filtration system — unscrew the cylindrical filter and rinse under running water Then, Check the drain hose for kinks, especially where it connects to the garbage disposal or drain pipe Then, Verify the air gap or high loop is properly installed — prevents backflow from the sink drain There are 1 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
How do I know if my dishwasher has error E2?
Besides the error code on the display, common signs include: Standing water in the bottom after cycle; Dishes still wet after drying; Gurgling sounds during drain. If you notice any of these symptoms, check your dishwasher's display panel for error code E2.
How much does it cost to fix Sub-Zero & Wolf E2?
Repair costs for Sub-Zero & Wolf E2 typically range from $250 to $550 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.