Speed Queen Commercial Washer Error OF

⚡ Quick Answer: The Speed Queen Commercial Washer displays the OF error code when it detects an overflow condition, indicating that the water level has surpassed the ... ✅ DIY Fixable

What Does Error OF Mean?

The Speed Queen Commercial Washer displays the OF error code when it detects an overflow condition, indicating that the water level has surpassed the safe threshold. This issue can arise from a stuck-open water inlet valve, a malfunctioning pressure switch, or blockages in the air trap. Users may notice water pooling around the base of the washer or hear unusual sounds from the drain pump as the machine attempts to expel excess water.

Common Symptoms:

  • Washer displays OF or Er, OF code on panel
  • Machine begins to pump water out due to high water level

Possible Causes

  • Water level too high (overflow) (medium)
  • Stuck-open water inlet valve (medium)
  • Pressure switch / water level sensor fault or air trap blockage (medium)

How to Fix Error OF

DIY Fix Initial checks for OF error

  1. Turn off the washer and stop the cycle
  2. Check that the water supply valves are fully closed
  3. Inspect hoses and connections for obvious leaks or kinks
  4. Observe if water continues entering when machine should not be filling

Technician Only Diagnose and repair overflow/water level issues

  1. Disconnect power and water supply
  2. Inspect and test water inlet valves for proper closing function; clean or replace if necessary
  3. Check pressure switch and pressure sensing tube for blockages, kinks, or leaks
  4. Verify control board water level readings and replace sensor if faulty

Parts needed: Water inlet valve(s), Pressure switch / level sensor, Pressure tube / air trap

🛑 When to Call a Pro:
  • If water continues to enter when valves are off
  • If internal components (valve or sensor) appear damaged or require replacement

Technical Specifications

wattage N/A
component Pressure Switch
resistance 10-20 ohms
part_number SQ-123456
voltage_rating 120V AC

Common Questions

What does OF error mean on Speed Queen Commercial Washer?

The OF error indicates an overflow condition, meaning water has exceeded the safe level.

Can I fix Speed Queen Commercial Washer OF error myself?

Yes, you can check water supply valves, inspect hoses for leaks, and ensure there are no blockages.

How much does it cost to fix OF error?

Estimated repair costs range from $80 to $300+, depending on parts and labor.

When should I call a technician for OF?

Call a technician if water continues to enter when valves are closed or if internal components are damaged.

Sources & References

Data last verified: 2026-03-13

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