Sub Zero Dishwasher Error E1

⚡ Quick Answer: The Sub Zero Dishwasher E1 error code indicates a potential issue with the drain pump, which may prevent the dishwasher from completing cycles. Sympto... ✅ DIY Fixable

What Does Error E1 Mean?

The Sub Zero Dishwasher E1 error code indicates a potential issue with the drain pump, which may prevent the dishwasher from completing cycles. Symptoms often include the machine stopping mid-cycle and unusual noises during operation. Common causes can include low water fill, drainage problems, or sensor detection issues. Ensuring proper water supply, checking for clogs, and cleaning filters may help address the problem.

Common Symptoms:

  • Dishwasher may stop mid‑cycle with E1 displayed (general dishwasher context)
  • Common dishwasher E1 reports indicate issues such as no/low water fill, drainage issues, or sensor detection problems (general context)

Possible Causes

  • Drain Pump

How to Fix Error E1

DIY Fix Basic dishwasher water/supply checks (general dishwasher guidance)

  1. Ensure the water supply to the dishwasher is turned on and not blocked/kinked.
  2. Check and clean inlet filters and hoses for debris.
  3. Inspect drain hose and filter area for clogs or obstructions.
  4. Power cycle dishwasher by turning it off, waiting a few minutes, then turning it back on.
🛑 When to Call a Pro:
  • If power cycling and basic water/supply/drain checks do not clear the error
  • If water leaks, pooling under the appliance, or internal flooding is observed
  • If unusual noises or electrical issues occur concurrently with E1

Next step

Choose the next step for E1

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

Typical part-only price
$35 - $80
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Also check
RepairClinic

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-30 ohms
part_number Sub Zero 7012270
voltage_rating 120V AC

Common Questions

What does E1 error mean on Sub Zero Dishwasher?

E1 indicates a drain pump issue, often causing the dishwasher to stop mid-cycle.

Can I fix Sub Zero Dishwasher E1 error myself?

Yes, check water supply, clean filters, and inspect for clogs.

How much does it cost to fix E1 error?

Repair costs vary based on model and region.

When should I call a technician for E1?

Call if basic checks don't resolve the error or if there are leaks.

Sources & References

Data last verified: 2026-04-23

User Comments (0)

Share your experience or solution below.

Be the first to comment!