AE — Compressor / heat-pump system fault
AE (sometimes grouped with LE2/CE1 on heat-pump models) indicates a fault in the compressor/heat-pump system that produces drying heat. The cycle is aborted to protect the sealed system.
- Keep using it?
- Limited use only
- DIY difficulty
- Hard
- Verified against
- lg.com ↗
How to fix it
- Unplug the dryer and let it sit upright undisturbed for at least 4 hours (24 hours if it was on its side).
- Restore power and run a Timed Dry; listen for compressor start.
- If AE returns, access the compressor compartment and test the start device per service manual.
- Verify inverter board outputs to the compressor are within spec.
- Suspected refrigerant loss or compressor failure must be handled by an EPA 608-certified tech.
- Contact LG service with model/serial if DIY checks do not resolve.
Why it happens
Typical signs: AE on display · Cycle ends with damp clothes · No warm air from drum · Loud hum or buzzing from the dryer base · Unit recently transported
- Compressor not settled after move Refrigerant migrated; needs upright settle time.
- Failed start device PTC relay or start capacitor failed.
- Compressor overload tripped Thermal overload opened.
- Sealed-system leak Loss of refrigerant charge.
- Inverter / main board fault Board not driving compressor.
More LG dryer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.