Frigidaire Dishwasher Error Code LO

Last updated: January 5, 2026 MEDIUM

⚠️ Safety Warning

  • Unplug the appliance before attempting any repairs
  • Never attempt repairs while the appliance is energized
  • If you're unsure, contact a certified Frigidaire technician
  • Keep children and pets away during troubleshooting

📖 Read our complete Safety First guide →

🔧 Tools You May Need

  • Multimeter
  • Screwdriver set
  • Work gloves
  • Bucket
  • Towels
  • Flashlight
  • Pliers

What Does Error Code LO Mean?

The LO error on Frigidaire dishwashers signals detergent dispenser malfunction. This diagnostic message typically points to operational problems.

Common Causes

  • electronic range
  • door switch
  • heating
  • water inlet
  • drain

How to Fix Error Code LO

Step 1: Reset Your Dishwasher

  1. Unplug the dishwasher from the power outlet
  2. Wait 2-3 minutes for the capacitors to discharge
  3. Plug the appliance back in
  4. Check if the error code has cleared

Diagnostic Checks for Dishwasher Error LO

Diagnostic CheckExpected ResultIf Failed
Check water supply valves (hot & cold)Both valves fully open, good water pressureOpen valves, check for kinks in hoses
Inspect drain hose for clogsClear path, hose not kinked or cloggedClear blockage, straighten hose
Test door/lid switch with multimeterContinuity when closed, no continuity when openReplace door/lid switch assembly
Check load balanceLoad evenly distributed in drumRedistribute clothes, run spin cycle
Verify drain pump operationPump runs, water drains within 2 minutesClean pump filter, check for obstructions

💡 Pro Tips from ErrorCodeHub

Load Size Rule: Never fill the drum more than 3/4 full. Overloading is the #1 cause of unbalance errors and premature bearing failure.

Frequently Asked Questions

What does Frigidaire error code LO mean?

The LO error on Frigidaire dishwashers signals detergent dispenser malfunction. This diagnostic message typically points to operational problems.

Can I fix error code LO myself?

Many LO errors can be fixed with basic troubleshooting. Start with a reset, then check common causes.

How much does it cost to fix error LO?

Repair costs typically range from $50-$300 depending on the cause.

Should I call a technician for error LO?

If basic troubleshooting doesn't work, or you're uncomfortable with repairs, contact a certified technician.

More Frigidaire Dishwasher Error Codes

View all Frigidaire Dishwasher error codes →

View all Frigidaire appliances →

When to Call a Professional

Consider contacting a certified Frigidaire technician if:

  • The error persists after troubleshooting
  • You're not comfortable with DIY repairs
  • The repair involves electrical or gas components
  • Your appliance is still under warranty

Find a technician: Call Frigidaire support or search for certified repair services in your area.