Sub Zero Dishwasher Error FE1

⚡ Quick Answer: The Sub Zero dishwasher FE1 error indicates a malfunction in the water level sensor, typically caused by an insufficient water supply or erratic flow ... ✅ DIY Fixable

What Does Error FE1 Mean?

The Sub Zero dishwasher FE1 error indicates a malfunction in the water level sensor, typically caused by an insufficient water supply or erratic flow detection. When this error occurs, the dishwasher may display continuous beeping and an overflow warning, preventing it from completing the fill cycle. Users should check the water supply valve and the inlet hose for kinks or obstructions before considering any repairs.

Common Symptoms:

  • Dishwasher displays FE1 error on control panel
  • Dishwasher unable to begin or continue fill cycle due to water/flow issue

Possible Causes

  • No water supply to the dishwasher (medium)
  • Unacceptable/erratic flow meter data (medium)

How to Fix Error FE1

DIY Fix Check water supply and basic flow conditions

  1. Ensure the water supply valve feeding the dishwasher is fully open
  2. Check that there are no kinks or obstructions in the inlet hose
  3. Restart the dishwasher by turning it off and on per manufacturer guidance

Technician Only Inspect and troubleshoot water inlet and flow sensing components

  1. Verify inlet valve operation and water pressure to the dishwasher
  2. Test flow meter/sensor and associated electrical connections according to service manual
  3. Replace defective flow meter or inlet valve if outside specifications

Parts needed: Water inlet valve, Flow meter/flow sensor, Associated wiring/connectors

🛑 When to Call a Pro:
  • If water supply checks and basic troubleshooting do not clear the error
  • If internal sensors or valves appear faulty or unresponsive

Technical Specifications

wattage N/A
component Water Level Sensor
resistance 10-30 ohms
part_number Sub Zero 7011500
voltage_rating 120V AC

Common Questions

What does FE1 error mean on Sub Zero dishwasher?

FE1 indicates a water level sensor malfunction, causing beeping and an overflow warning.

Can I fix Sub Zero dishwasher FE1 error myself?

Yes, check the water supply valve and inlet hose for kinks or obstructions.

How much does it cost to fix FE1 error?

Repair costs range from $100 to $350, depending on parts and labor.

When should I call a technician for FE1?

Call a technician if troubleshooting fails or if internal sensors appear faulty.

Sources & References

Data last verified: 2026-04-23

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