Frigidaire Dishwasher Error LO

⚡ Quick Answer: The Frigidaire dishwasher LO error code signals a low rinse aid level, which can prevent the dishwasher from filling properly or starting the wash cyc... ✅ DIY Fixable

What Does Error LO Mean?

The Frigidaire dishwasher LO error code signals a low rinse aid level, which can prevent the dishwasher from filling properly or starting the wash cycle. When this error appears on the control panel, it often indicates that the rinse aid dispenser is low or empty. Addressing this issue typically involves refilling the rinse aid to ensure optimal cleaning performance.

Common Symptoms:

  • LO displayed on control panel prior to or during wash cycle
  • Dishwasher pauses or does not start if rinse aid low indicator active

Possible Causes

  • Low or empty rinse aid in dispenser (high)
  • Faulty rinse aid dispenser sensor or switch (medium)

How to Fix Error LO

DIY Fix Refill Rinse Aid Dispenser

  1. Open dishwasher door and locate rinse aid dispenser on inner panel.
  2. Check level of rinse aid; refill with compatible rinse aid to indicated full level.
  3. Securely close dispenser lid.
  4. Run a short wash cycle to verify the LO code clears.

Technician Only Inspect/Replace Rinse Aid Sensor or Dispenser Assembly

  1. Verify rinse aid level was correctly refilled and LO persists.
  2. Disconnect power and access rinse aid dispenser assembly.
  3. Test rinse aid sensor or reed switch for continuity or proper operation.
  4. Replace faulty rinse aid sensor or full dispenser assembly if needed.
  5. Reassemble and test dishwasher function.

Parts needed: Rinse aid dispenser assembly, Rinse aid sensor or reed switch

🛑 When to Call a Pro:
  • If LO persists after refilling rinse aid and basic checking or if signs of sensor failure are present.
  • If access to internal components for sensor testing is beyond user capability.

Next step

Choose the next step for LO

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

Based on diagnostic data

Most relevant component to inspect

Detergent Dispenser

Releases detergent, bleach, or rinse aid at the correct moment in the cycle.

Typical part-only price
$30 - $70
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.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage 30W
component Water Inlet Valve
resistance 10-20 ohms
part_number 154567401
voltage_rating 120V AC

Common Questions

What does LO error mean on frigidaire dishwasher?

The LO error indicates a low rinse aid level, affecting dishwasher performance.

Can I fix frigidaire dishwasher LO error myself?

Yes, you can refill the rinse aid dispenser to resolve the LO error.

How much does it cost to fix LO error?

Repair costs for the LO error typically range from $30 to $120.

When should I call a technician for LO?

Call a technician if the LO error persists after refilling rinse aid or if sensor issues are suspected.

Data last verified: 2026-07-25

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