LG
DLE3400*L
Dryer
LG DLE3400*L — Error Code PS
LG DLE3400*L error code PS: Power supply failure.
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Last updated:
Methodology: We combine manufacturer references with recurring service patterns, then review for safe, step-by-step repair guidance.
Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
Looking for the full diagnosis and repair guide? View complete LG Dryer error code PS guide →
Repair guidance: the symptoms and steps below come from the canonical LG Dryer PS guide and apply to DLE3400*L unless your manual says otherwise.
Symptoms on DLE3400*L
- ⚠️ Error code displayed
- ⚠️ Dryer not completing cycle
- ⚠️ Clothes still wet after full cycle
How to Fix Error PS on DLE3400*L
- 1 Unplug the dryer for 60 seconds then plug back in — this resets the control board and clears many temporary faults
- 2 Check that the water supply valve behind the machine is fully open
- 3 Inspect the inlet hose screen filter — sediment often blocks it (unscrew hose, clean mesh screen)
- 4 Test the water inlet valve with a multimeter — replace if no continuity ($15–$80 part)
- 5 If the error persists after basic troubleshooting, contact a qualified appliance technician
🛠️ You'll need: Screwdriver set, Pliers, Multimeter
· Time: 20–40 min
Questions People Also Ask for Error PS
What does LG Dryer error code PS mean? ▼
Error code PS on a LG Dryer means: Power supply failure. The appliance detected this condition and has stopped or limited operation to prevent further damage.
How do I fix LG Dryer error code PS? ▼
First, unplug the dryer for 60 seconds to reset the control board. If error PS returns, the root cause (power supply failure) needs to be addressed — check connections, filters, and hoses before calling a technician.
Is it safe to use my LG Dryer with error code PS? ▼
It depends on the cause. Most PS errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.