What AE means (lg ae error)
An lg ae error on an LG heat-pump (ventless DLHC/DLHX) dryer indicates a compressor fault in the sealed heat-pump system. On these dryers AE means the compressor — not a water leak as it does on LG washers. The control stops to protect the sealed system, which needs trained service.
Symptoms to look for
The signs below help confirm you are dealing with this condition rather than a different fault on your LG Dryer. You may see one of them or several together, and they can build up gradually or appear suddenly after a power event, a long door opening, or recent service.
- The display shows “AE” on a heat-pump dryer
- The dryer runs but does not get warm
- Drying is very slow or incomplete
- The fault recurs after a reset
Common causes
Several different faults can produce these symptoms. Working through the most likely causes in order helps separate a quick, owner-level check from a problem that needs trained service and the correct LG parts.
- Heat-pump compressor fault — the compressor will not run correctly
- Inverter/control board fault — the drive to the compressor has failed
- Sealed-system issue — a refrigerant or sensor problem
- Wiring fault — a connection in the compressor circuit
Troubleshooting steps you can try
Work through these checks in order before calling for service. Stop wherever you are unsure, or where high-voltage parts, gas, the sealed refrigeration system, or a heat-pump compressor are involved, and hand the rest to a qualified technician.
- Confirm the model is a heat-pump (ventless) dryer, where AE means the compressor.
- Clean the lint filters and the condenser per the model guide to rule out airflow stress.
- Power the dryer off at the breaker for several minutes, then restore.
- Because the sealed system needs trained service, arrange a visit if AE returns.
Parts a technician may replace
Depending on what the diagnosis shows, a technician may inspect, test, or replace the heat-pump compressor, sealed refrigerant system, inverter board, and control board. The correct part for your LG Dryer is matched from the model and serial number, and genuine LG components are fitted rather than generic substitutes so that performance, safety, and the appliance’s long working life are all protected. Confirming the failed part before ordering avoids replacing more than the fault actually requires.
When to call a technician
AE on a heat-pump dryer needs a technician to test the compressor, inverter board, and sealed system — work that requires trained service. When the fix calls for trained service, book a visit through our scheduling page and an experienced, qualified technician will diagnose and repair it. For manufacturer documentation and model lookup, see the manufacturer at lg.com/us.
Prevention and care
Regular care keeps this condition from returning on your LG Dryer. Keep filters, vents, and the condenser or exhaust path clean, avoid overloading or blocking airflow, check that doors and seals close cleanly, and follow the LG maintenance guidance for your model. Because this unit relies on electronic control, protect it with a stable, correctly rated power supply and have any built-in or laundry installation done to LG specification so the control never sees an out-of-range condition. If a code appears, note exactly what was shown before you reset the appliance — that record helps the technician reach an accurate diagnosis and avoid replacing parts unnecessarily. Where stored food, a sealed refrigerant system, gas, or a safety lockout is involved, treat the condition as a reason to act quickly rather than wait.
Related help and LG resources
Browse other LG Dryer diagnostics, read about professional LG Dryer repair, look up your unit in the LG models reference, or the related LE2 compressor fault, or schedule a service visit. For LG manufacturer documentation and model lookup, visit the manufacturer at lg.com/us.
