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LG Dryer Error Code PS

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 14, 2026
High Severity 🔧🔧 Moderate DIY

Power supply error — improper voltage at the cord or terminal block

The dryer detected improper voltage reaching the control — typically a miswired power cord, a loose terminal-block connection, or a power-supply interruption. Electric dryers need 240V across two hot legs; if one leg is missing or the cord is wired wrong, PS appears.

💰 DIY cost: $0–$40 👨‍🔧 Pro cost: $150–$300 Save $150+ by doing it yourself
LG Dryer error code PS on the display panel
How the PS code appears on a LG dryer display

What Does Error Code PS Mean on a LG Dryer?

Power supply error — improper voltage at the cord or terminal block.

The dryer detected improper voltage reaching the control — typically a miswired power cord, a loose terminal-block connection, or a power-supply interruption. Electric dryers need 240V across two hot legs; if one leg is missing or the cord is wired wrong, PS appears.

Models affected: LG electric dryers

What Causes Error Code PS?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Power cord miswired or loose at terminal block 40% of cases
  2. 2
    Loose/burnt terminal block connection 30% of cases
  3. 3
    One 240V leg missing (breaker/outlet) 25% of cases
  4. 4
    Damaged power cord 5% of cases

How to Fix LG Dryer Error Code PS

🔧🔧 Moderate DIY Est. time: 30–60 min
Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Check the breaker

    Confirm BOTH halves of the dryer's double-pole breaker are on. A half-tripped breaker leaves one leg dead.

  2. 2

    Inspect the cord and terminal block

    Unplug, remove the terminal cover, and check that the cord wires are tight and undamaged on the block.

    🔩 Nut driver
    ⚠️ Unplug the dryer before removing the terminal block cover.
  3. 3

    Verify outlet voltage

    Have an electrician confirm 240V across the legs and 120V each leg to ground at the outlet.

How to Reset Error Code PS

Reset both halves of the breaker and confirm the cord is tight at the terminal block, then restart.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

Open wiring inside the wall outlet or a damaged terminal block requires a licensed electrician.

Average professional repair cost for this issue: $150–$300

Related Error Codes

Same Code on Other Brands

Error code PS appears on these other brands too. See every brand that shows PS →

Find Replacement Parts

Use these links to find the exact replacement parts for your LG Dryer:

External links — ApplianceErrors.com is not affiliated with these retailers.

More LG Dryer Error Codes

Frequently Asked Questions

What does error code PS mean on a LG Dryer? +
Power supply error — improper voltage at the cord or terminal block
How do I fix error code PS on my LG Dryer? +
Start by Confirm BOTH halves of the dryer's double-pole breaker are on. A half-tripped breaker leaves one leg dead.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code PS? +
Reset both halves of the breaker and confirm the cord is tight at the terminal block, then restart.
Is error code PS serious? +
This is a high-severity error. You should address it soon. Running the appliance may cause further damage.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 14, 2026.